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Journal articles on the topic 'Spontaneous movement'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Kato, Moe, Hama Watanabe, and Gentaro Taga. "Diversity and Changeability of Infant Movements in a Novel Environment." Journal of Motor Learning and Development 1, no. 4 (2013): 79–88. http://dx.doi.org/10.1123/jmld.1.4.79.

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To investigate the developmental emergence of the ability to change their behavior depending on environmental conditions, we studied spontaneous limb movements and subsequent changes in amount and pattern of movement while playing with a mobile toy in infants 90-129 days old. We calculated two independent indices to represent amount and pattern of movements. While younger infants only increased the amount of movement, older infants first changed their movement pattern toward the arm-dominant pattern and then increased the amount of movement. Although the diversity of spontaneous movements did

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Begin, DPT, PT, Joel, Luiz Bertolucci, MD, Dorothea Blostein, PhD, and Budiman Minasny, PhD. "Characterizing a Common Class of Spontaneous Movements." International Journal of Therapeutic Massage & Bodywork: Research, Education, & Practice 15, no. 3 (2022): 4–17. http://dx.doi.org/10.3822/ijtmb.v15i3.719.

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Our aim is to describe a possible class of nonpathological spontaneous movements that has so far received little attention in the scientific literature. These movements arise spontaneously without an underlying pathology such as Huntington’s, Parkinson’s, cerebral palsy or spinal cord injury. The movements arise in many different contexts including therapeutic, social, religious, and solitary settings. Anecdotal evidence suggests that the movements are related to development and maintenance of form, being part of inherited autoregulatory behaviors and hence bringing an overlooked therapeutic p

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Park, Yong-Seok, Yong-Seo Koo, Seungil Ha, Sangho Lee, Ji-Hoon Sim, and Joung Uk Kim. "Total Intravenous Anesthesia Protocol for Decreasing Unacceptable Movements during Cerebral Aneurysm Clipping with Motor-Evoked Potential Monitoring: A Historical Control Study and Meta-Analysis." Journal of Personalized Medicine 13, no. 8 (2023): 1266. http://dx.doi.org/10.3390/jpm13081266.

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Injury can occur during intraoperative transcranial motor-evoked potential (MEP) monitoring caused by patient movement related to insufficient neuromuscular blocking agent use. Here, we evaluated the incidence of unacceptable movements in patients undergoing intraoperative MEP monitoring following our anesthetic protocol. We reviewed the anesthesia records of 419 patients who underwent unruptured cerebral aneurysm clipping with intraoperative MEP monitoring. The anesthetic protocol included target-controlled infusion with a fixed effect-site propofol concentration of 3 μg/mL and an adjustable

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Ilari, Beatriz. "Rhythmic Engagement With Music in Early Childhood." Journal of Research in Music Education 62, no. 4 (2014): 332–43. http://dx.doi.org/10.1177/0022429414555984.

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The purpose of this study was to replicate and extend previous findings on spontaneous movement and rhythmic engagement with music in infancy. Using the identical stimuli and procedures from the original study, I investigated spontaneous rhythmic movements in response to music, infant-directed speech, and contrasting rhythmic patterns in 30 Brazilian infants (ages 5, 11, and 19 months). Findings were consistent with the original study in that more spontaneous rhythmic movements were found in response to music and metrically regular stimuli than to speech. Brazilian babies, however, showed high

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Koul, Atesh, Davide Ahmar, Gian Domenico Iannetti, and Giacomo Novembre. "Interpersonal synchronization of spontaneously generated body movements." iScience 26, no. 3 (2023): 106104. https://doi.org/10.1016/j.isci.2023.106104.

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Interpersonal movement synchrony (IMS) is central to social behavior in several species. In humans, IMS is typically studied using structured tasks requiring participants to produce specific body movements. Instead, spontaneously generated (i.e., not instructed) movements have received less attention. To test whether spontaneous movements synchronize interpersonally, we recorded full-body kinematics from dyads of participants who were only asked to sit face-to-face and to look at each other. We manipulated interpersonal (i) visual contact and (ii) spatial proximity. We found that spontane

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Tada, Hideoki, and Shoichi Iwasaki. "Spontaneous Eyeblinks Elicited by Vertical Eye Movements." Perceptual and Motor Skills 60, no. 1 (1985): 191–200. http://dx.doi.org/10.2466/pms.1985.60.1.191.

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Two experiments were carried out to examine the relationship between eyeblinks and eye movements under a visual search task. Exp. I showed that the vertical eye movements brought about slightly more eyeblinks than the horizontal ones. In Exp. II, the vertical eye movements were accompanied with significantly more frequent eyeblinks than the horizontal ones. Upward saccadic eye movements especially were associated with the more frequent eyeblinks than the downward ones. These results suggested a possible relationship between the eyeblinks and Bell's phenomenon. However, the comparison of eyebli

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HEITLER, W. J. "Aspects of Sensory Integration in the Crayfish Swimmeret System." Journal of Experimental Biology 120, no. 1 (1986): 387–402. http://dx.doi.org/10.1242/jeb.120.1.387.

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The chief sensory effects observed in response to movement and position of a single swimmeret are ipsilateral reflexes such that the amplitude of spontaneous rhythmic activity is augmented when the swimmeret is held protracted, and diminished when the swimmeret is held retracted. A major source of these reflexes appears to be the non-spiking stretch receptors (NSSRs) at the base of the swimmeret. Sinusoidally-varying current injected into a single NSSR produces a beat-frequency modulation of spontaneously-generated rhythm very similar to that produced by applying sinusoidal movement to the who

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Mokri, Bahram. "Movement disorders associated with spontaneous CSF leaks: A case series." Cephalalgia 34, no. 14 (2014): 1134–41. http://dx.doi.org/10.1177/0333102414531154.

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Importance and Objective Headache is the most common symptom in spontaneous CSF leaks, frequently associated with additional manifestations. Herein, attention is drawn to movement disorder as a notable manifestation of spontaneous CSF leaks. Design Four women and one man (ages 51–78 years) with spontaneous CSF leaks and movement disorders were evaluated clinically and by pertinent neuroimaging studies with follow-up of one to seven years (mean 3.2 years). Results The movement disorder consisted of choreiform movements in two patients, torticollis in one, mixed tremor in one, and parkinsonism i

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Bouvet, Cécile J., Benoît G. Bardy, Peter E. Keller, Simone Dalla Bella, Sylvie Nozaradan, and Manuel Varlet. "Accent-induced Modulation of Neural and Movement Patterns during Spontaneous Synchronization to Auditory Rhythms." Journal of Cognitive Neuroscience 32, no. 12 (2020): 2260–71. http://dx.doi.org/10.1162/jocn_a_01605.

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Human rhythmic movements spontaneously synchronize with auditory rhythms at various frequency ratios. The emergence of more complex relationships—for instance, frequency ratios of 1:2 and 1:3—is enhanced by adding a congruent accentuation pattern (binary for 1:2 and ternary for 1:3), resulting in a 1:1 movement–accentuation relationship. However, this benefit of accentuation on movement synchronization appears to be stronger for the ternary pattern than for the binary pattern. Here, we investigated whether this difference in accent-induced movement synchronization may be related to a differenc

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Drewes, V., N. Neumann, I. Konstantinidis, and I. Helmich. "Spontaneous head movements characterize losing athletes during competition." International Journal of Sports Science & Coaching 15, no. 5-6 (2020): 669–76. http://dx.doi.org/10.1177/1747954120934598.

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Nonverbal movement behavior and emotions are closely linked processes; however, there is insufficient information about the spontaneous nonverbal expressions in response to experiencing positive and negative emotion, i.e., when winning or losing during sport competitions. Previous research showed that experienced tennis athletes detected losing behavior in athletes more accurately than winning behavior. However, it remained unclear what kind of nonverbal movements characterized losers because the actual movements have not been identified yet. Further research showed that head shaking occurred

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Dodson, Paul D., Jakob K. Dreyer, Katie A. Jennings, et al. "Representation of spontaneous movement by dopaminergic neurons is cell-type selective and disrupted in parkinsonism." Proceedings of the National Academy of Sciences 113, no. 15 (2016): E2180—E2188. http://dx.doi.org/10.1073/pnas.1515941113.

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Midbrain dopaminergic neurons are essential for appropriate voluntary movement, as epitomized by the cardinal motor impairments arising in Parkinson’s disease. Understanding the basis of such motor control requires understanding how the firing of different types of dopaminergic neuron relates to movement and how this activity is deciphered in target structures such as the striatum. By recording and labeling individual neurons in behaving mice, we show that the representation of brief spontaneous movements in the firing of identified midbrain dopaminergic neurons is cell-type selective. Most do

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Bican, Rachel, Linda Lowes, Lindsay Alfano, et al. "Spatial, But Not Temporal, Kinematics of Spontaneous Upper Extremity Movements Are Related to Gross and Fine Motor Skill Attainment in Infancy." Journal of Motor Learning and Development 10, no. 1 (2022): 41–60. http://dx.doi.org/10.1123/jmld.2020-0035.

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Background: Spontaneous upper extremity movements in infancy provide insight on neuromotor development. Spatiotemporal kinematics have been used to evaluate typical development of reaching, a foundational motor skill in infancy. This study evaluates the relationship between spontaneous upper extremity movements, not elicited by a toy, and motor skill attainment. Methods: N = 12 healthy infants (2–8 months) participated in this longitudinal study (one to four sessions). Motor skills were assessed with the Bayley Scales of Infant and Toddler Development, 3rd Edition: gross motor subtest (GM) and

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CHAN, A., E. NICKOLL, C. THORNTON, C. DORÉ, and D. E. F. NEWTON. "Spontaneous movement after injection of propofol." Anaesthesia 51, no. 11 (1996): 663–66. http://dx.doi.org/10.1111/j.1365-2044.1996.tb04650.x.

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CHAN, A., E. NICKOLL, C. THORNTON, C. DORÉ, and D. E. F. NEWTON. "Spontaneous movement after injection of propofol." Anaesthesia 51, no. 7 (1996): 663–66. http://dx.doi.org/10.1111/j.1365-2044.1996.tb07850.x.

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Tiede, Mark, Wei-Rong Chen, and D. H. Whalen. "Speaker sincerity influences F0-coupled head motion in spontaneous monologues." Journal of the Acoustical Society of America 151, no. 4 (2022): A43. http://dx.doi.org/10.1121/10.0010598.

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Movements of the head during speech serve multiple communicative purposes, including perceptual enhancement of prosodic F0 contours. However, it remains uncertain how much of any correlation between head movement and F0 may be due to physiological coupling mechanisms exerting effects on glottal tension. In this work, six native speakers of American English (3F) were videorecorded during production of spontaneous monologues lasting 90 seconds. Each speaker extemporized twice on two topics chosen from a list (e.g., "video games waste time"). One of these they agreed with ("sincere"), and the oth

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Kang, Jin-Ju, Seoyoung Choi, Seunghee Na, and Sun-Young Oh. "Recording and interpretation of ocular movements: spontaneous and induced nystagmus." Annals of Clinical Neurophysiology 25, no. 1 (2023): 10–18. http://dx.doi.org/10.14253/acn.2023.25.1.10.

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The ultimate purpose of eye movement is to maintain clear vision by ensuring that images of observed objects are focused on the fovea in the retina. Accurate evaluation of ocular movements, including nystagmus and saccadic intrusions, provides very useful information for determining the overall function and abnormality of the complex oculomotor system, from the peripheral vestibular system to the cerebrum. Eye movement tests are therefore essential for the accurate diagnosis of patients who complain of dizziness and imbalance. They help to predict lesion locations from the peripheral vestibula

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Romero, Veronica, Charles Coey, R. C. Schmidt, and Michael J. Richardson. "Movement Coordination or Movement Interference: Visual Tracking and Spontaneous Coordination Modulate Rhythmic Movement Interference." PLoS ONE 7, no. 9 (2012): e44761. http://dx.doi.org/10.1371/journal.pone.0044761.

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Sekulic, S., G. Kekovic, Danka Filipovic, et al. "Monitoring the progressive increase of the longest episode of spontaneous movements in Guinea pig fetus." Archives of Biological Sciences 65, no. 4 (2013): 1459–62. http://dx.doi.org/10.2298/abs1304459s.

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The aim of this work was to determine the changes in the duration of spontaneous movements in the guinea pig fetus after the appearance of its first movements. Every day from the 25th to the 35th gestation day, one fetus from each of twenty pregnant animals was examined by ultrasound. Fetal movements were observed for 5 min. The episode with the longest period of movement was taken into consideration and was recorded as: <1 s, 1-3 s, and >3 s. Days 25 and 26 were characterized by episodes lasting <1 s; days 29 to 31 were dominated by episodes lasting 1-3 s, and days 34 and 35 by episo

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Glimcher, P. W., and D. L. Sparks. "Effects of low-frequency stimulation of the superior colliculus on spontaneous and visually guided saccades." Journal of Neurophysiology 69, no. 3 (1993): 953–64. http://dx.doi.org/10.1152/jn.1993.69.3.953.

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1. The first experiment of this study determined the effects of low-frequency stimulation of the monkey superior colliculus on spontaneous saccades in the dark. Stimulation trains, subthreshold for eliciting short-latency fixed-vector saccades, were highly effective at biasing the metrics (direction and amplitude) of spontaneous movements. During low-frequency stimulation, the distribution of saccade metrics was biased toward the direction and amplitude of movements induced by suprathreshold stimulation of the same collicular location. 2. Low-frequency stimulation biased the distribution of sa

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Morais, Regina Donnamaria, Ana Lucia Goulart, and Benjamin Israel Kopelman. "Spontaneous Orofacial Movements at Writhing and Fidgety General Movements Age in Preterm and Full-Term Infants." Children 9, no. 8 (2022): 1175. http://dx.doi.org/10.3390/children9081175.

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Background: As general spontaneous movements at the writhing and fidgety ages have been important for the early identification of neurodevelopmental impairment of both full-term and preterm infants, the knowledge of the spontaneous orofacial movements at these ages also seems to be important for the diagnosis of oral function, particularly in preterm infants. Therefore, we decided to first classify preterm and full-term infants according to general movements ages, and then to record, describe, compare, and discuss their spontaneous orofacial movements. Methods: This cross-sectional study inclu

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Beaudoin, Rachel, and George A. Michael. "Gating of spontaneous somatic sensations by movement." Somatosensory & Motor Research 31, no. 3 (2014): 111–21. http://dx.doi.org/10.3109/08990220.2014.888992.

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Milhorat, Thomas H., Eric H. Elowitz, Richard W. Johnson, and John I. Miller. "Spontaneous Movement of Bullets in the Brain." Neurosurgery 32, no. 1 (1993): 142???144. http://dx.doi.org/10.1097/00006123-199301000-00024.

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Davison, Adrian K., Cliff Lansley, Nicholas Costen, Kevin Tan, and Moi Hoon Yap. "SAMM: A Spontaneous Micro-Facial Movement Dataset." IEEE Transactions on Affective Computing 9, no. 1 (2018): 116–29. http://dx.doi.org/10.1109/taffc.2016.2573832.

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Milhorat, Thomas H., Eric H. Elowitz, Richard W. Johnson, and John I. Miller. "Spontaneous Movement of Bullets in the Brain." Neurosurgery 32, no. 1 (1993): 142–44. http://dx.doi.org/10.1227/00006123-199301000-00024.

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Zelechowska, Agata, Victor E. Gonzalez Sanchez, Bruno Laeng, Jonna K. Vuoskoski, and Alexander Refsum Jensenius. "Who Moves to Music? Empathic Concern Predicts Spontaneous Movement Responses to Rhythm and Music." Music & Science 3 (January 1, 2020): 205920432097421. http://dx.doi.org/10.1177/2059204320974216.

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Moving to music is a universal human phenomenon, and previous studies have shown that people move to music even when they try to stand still. However, are there individual differences when it comes to how much people spontaneously respond to music with body movement? This article reports on a motion capture study in which 34 participants were asked to stand in a neutral position while listening to short excerpts of rhythmic stimuli and electronic dance music. We explore whether personality and empathy measures, as well as different aspects of music-related behaviour and preferences, can predic

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Reynolds, Andrew M., Hayley B. C. Jones, Jane K. Hill, et al. "Evidence for a pervasive ‘idling-mode’ activity template in flying and pedestrian insects." Royal Society Open Science 2, no. 5 (2015): 150085. http://dx.doi.org/10.1098/rsos.150085.

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Understanding the complex movement patterns of animals in natural environments is a key objective of ‘movement ecology’. Complexity results from behavioural responses to external stimuli but can also arise spontaneously in their absence. Drawing on theoretical arguments about decision-making circuitry, we predict that the spontaneous patterns will be scale-free and universal, being independent of taxon and mode of locomotion. To test this hypothesis, we examined the activity patterns of the European honeybee, and multiple species of noctuid moth, tethered to flight mills and exposed to minimal

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Fortrat, Jacques-Olivier, Cédric Formet, Jean Frutoso, and Claude Gharib. "Even slight movements disturb analysis of cardiovascular dynamics." American Journal of Physiology-Heart and Circulatory Physiology 277, no. 1 (1999): H261—H267. http://dx.doi.org/10.1152/ajpheart.1999.277.1.h261.

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We hypothesized that spontaneous movements (postural adjustments and ideomotion) disturb analysis of heart rate and blood pressure variability and could explain the discrepancy between studies. We measured R-R intervals and systolic blood pressure in nine healthy sitting subjects during three protocols: 1) no movement allowed, 2) movements allowed but not standing, 3) movements and standing allowed. Heart rate and blood pressure were not altered by movements. Movements with or without standing produced a twofold or greater increase of the overall variability of R-R intervals and of the low-fre

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Igarashi, Masakazu, and Jeff Wickens. "Kinematic analysis of bimanual movements during food handling by head-fixed rats." Journal of Neurophysiology 121, no. 2 (2019): 490–99. http://dx.doi.org/10.1152/jn.00295.2018.

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Bimanual coordination, in which both hands work together to achieve a goal, is crucial for the basic needs of life, such as gathering and feeding. Such coordinated motor skill is highly developed in primates, where it has been most extensively studied. Rodents also exhibit remarkable dexterity and coordination of forelimbs during food handling and consumption. However, rodents have been less commonly used in the study of bimanual coordination because of limited quantitative measuring techniques. In this article we describe a high-resolution tracking system that enables kinematic analysis of ra

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Vyskrebtsov, V. G. "The cause of spontaneous fluctuations." Izvestiya MGTU MAMI 7, no. 1-3 (2013): 37–43. http://dx.doi.org/10.17816/2074-0530-67778.

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The paper considers the cause of the oscillation or vibration with different mechanical phenomena and processes, the friction of the two bodies, the movement of bodies in liquids and gases under the condition of steady-state motion (with preservation of average speed of movement). There is shown that this problem can be solved with the help of theory of the so-called ordinary (with one independent variable) equations, being read in the technical colleges.

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Mehsud, Javed, Baha Ul Haq, and Ikram Badshah. "The Birth of a Social Movement: A Case Study of Pashtun Tehfuz (Protection Movement)." Global Anthropological Studies Review I, no. I (2018): 20–27. http://dx.doi.org/10.31703/gasr.2018(i-i).03.

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Social movements emerge in all parts of the world due to feelings of discrimination, oppression, and exploitation by any dominated or powerful group. These movements are directed, purposeful, dimensional and sometimes spontaneous towards achieving the social, political and economic cause[s]. Pashtun Protection Movement emerged from miseries, atrocities, humiliation on the hands of combating groups, unnecessary checking at security check posts, bloodshed spreading in the area during sixteen years of militancy, and security operations in North and South Waziristan. The movement is both present p

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Musselman, Kristin E., and Jaynie F. Yang. "Interlimb Coordination in Rhythmic Leg Movements: Spontaneous and Training-Induced Manifestations in Human Infants." Journal of Neurophysiology 100, no. 4 (2008): 2225–34. http://dx.doi.org/10.1152/jn.90532.2008.

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Different rhythmic leg movements in vertebrates can share coordinating neural circuitry. These movements are often similar kinematically, and smooth transitions between the different movements are common. We focused on interlimb coordination of the legs in young infants to determine whether weight bearing and non–weight bearing movements might share coordinating circuitry. If interlimb coordination is controlled by the same circuitry, the same coordination (i.e., either synchronous or alternate) should be seen in different rhythmic movements. Moreover, if we altered the interlimb coordination

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Thelen, Esther. "Origins of origins of motor control." Behavioral and Brain Sciences 18, no. 4 (1995): 780–83. http://dx.doi.org/10.1017/s0140525x00041030.

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AbstractExamination of infant spontaneous and goal-directed arm movements supports Feldman and Levin's hypothesis of a functional hierarchy. Early infant movements are dominated by biomechanical and dynamic factors without external frames of reference. Development involves not only learning to generate these frames of reference, but also protecting the higher-level goal of the movement from internal and external perturbations.

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Schulz, Hendrik, Jianghai Ruan, and Rüdiger J. Seitz. "Spontaneous Arm Movement Activity during Sleep in Epileptic and Non-Epileptic Patients." European Neurology 80, no. 3-4 (2018): 200–206. http://dx.doi.org/10.1159/000495799.

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Purpose: Epilepsy has a complex interaction with sleep. The purpose of this study was to explore the relation between spontaneous arm movements and sleep architecture in patients with epilepsy. Methods: This prospective study included 53 patients with suspected epilepsy (44 ± 18 years; 30 females, 23 males) and 55 age-matched patients with non-epileptic seizures (42 ± 15: 27 females, 28 males). Twenty-four-hour-video-electroencephalography recordings were combined with accelerometry of movement activity of both arms using actiwatches. Results: Patients with suspected epilepsy showed a higher o

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Helmich, Ingo, and Lausberg Hedda. "Nonverbal hand movement durations indicate post-concussion symptoms of athletes." Neurology 93, no. 14 Supplement 1 (2019): S3.2—S3. http://dx.doi.org/10.1212/01.wnl.0000580852.62187.2b.

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ObjectiveConcussions are common in sports and appear to be a risk factor for cognitive impairment and mental health problems. Methods of post-concussion diagnosis are still of debate, regarding sensitivity, objectivity, reliability, and costs. Spontaneous displays of nonverbal hand movement behavior during interaction are indicative of psychopathology and relatively simple to record and analyze.BackgroundIncreased durations of continuous (/irregular) body-focused hand movement activity in particular indicates psychopathology that overlaps in symptomatology with that of sport related concussion

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Bour, L. J., M. Aramideh, and B. W. Ongerboer De Visser. "Neurophysiological Aspects of Eye and Eyelid Movements During Blinking in Humans." Journal of Neurophysiology 83, no. 1 (2000): 166–76. http://dx.doi.org/10.1152/jn.2000.83.1.166.

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The neural relationships between eyelid movements and eye movements during spontaneous, voluntary, and reflex blinking in a group of healthy subjects were examined. Electromyographic (EMG) recording of the orbicularis oculi (OO) muscles was performed using surface electrodes. Concurrently, horizontal and vertical eye positions were recorded by means of the double magnetic induction (DMI) ring method. In addition, movement of the upper eyelid was measured by a specially designed search coil, placed on the upper eyelid. The reflex blink was elicited electrically by supraorbital nerve stimulation

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Schultze-Kraft, Matthias, Daniel Birman, Marco Rusconi, et al. "The point of no return in vetoing self-initiated movements." Proceedings of the National Academy of Sciences 113, no. 4 (2015): 1080–85. http://dx.doi.org/10.1073/pnas.1513569112.

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In humans, spontaneous movements are often preceded by early brain signals. One such signal is the readiness potential (RP) that gradually arises within the last second preceding a movement. An important question is whether people are able to cancel movements after the elicitation of such RPs, and if so until which point in time. Here, subjects played a game where they tried to press a button to earn points in a challenge with a brain–computer interface (BCI) that had been trained to detect their RPs in real time and to emit stop signals. Our data suggest that subjects can still veto a movemen

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Hendricks, J. C., A. Lager, D. O'Brien, and A. R. Morrison. "Movement disorders during sleep in cats and dogs." Journal of the American Veterinary Medical Association 194, no. 5 (1989): 686–89. https://doi.org/10.2460/javma.1989.194.05.686.

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Summary Spontaneous sleep movement disorders in 5 cats and 3 dogs were studied. Objective abnormalities during sleep were confirmed by electrographic or behavioral monitoring techniques in all animals. The cause of the disorder was cns disease in 3 animals. A cause was not discovered in the other 5 animals, although at necropsy, 2 were found to have thyroid tumors. Many pharmacologic treatments were ineffectual, but trials with the benzodiazepine tranquilizer, clonazepam, suggested it will prove useful in controlling violent movements during rapid-eye-movement sleep.

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Toiviainen, Petri, and Emily Carlson. "Embodied Meter Revisited." Music Perception 39, no. 3 (2022): 249–67. http://dx.doi.org/10.1525/mp.2022.39.3.249.

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Previous research has shown that humans tend to embody musical meter at multiple beat levels during spontaneous dance. This work that been based on identifying typical periodic movement patterns, or eigenmovements, and has relied on time-domain analyses. The current study: 1) presents a novel method of using time-frequency analysis in conjunction with group-level tensor decomposition; 2) compares its results to time-domain analysis, and 3) investigates how the amplitude of eigenmovements depends on musical content and genre. Data comprised three-dimensional motion capture of 72 participants’ s

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Choi, Da Yeon, Ragul Loganathan, Victor Wong, Jahurul Islam, and Bryan Gick. "Tongue shape variations in laughter and speech: Exploring movement patterns." Journal of the Acoustical Society of America 156, no. 4_Supplement (2024): A49. https://doi.org/10.1121/10.0035065.

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Laughter is a common non-verbal communicative function of the vocal tract [Krepsz et al., 2024, CognitiveProcessing, 25(1)]. Previous studies using real-time magnetic resonance imaging (rtMRI) of the vocal tract found spontaneous (natural) laughter to be less speech-like compared to volitional (induced) laughter [Belyk & McGettigan, 2022, Phil. Trans. Royal Soc. B, 377(1863)]. Expanding on prior research on laughter production [Belyk & McGettigan, 2022] and ultrasound imaging comparing the production of spoken vowels to trombone notes [Heyne & Derrick, 2019, Frontiers in Psych., 10

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Karabagli, Hakan. "Spontaneous Movement of Bullets in the Interhemispheric Region." Pediatric Neurosurgery 41, no. 3 (2005): 148–50. http://dx.doi.org/10.1159/000085873.

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Sims, Michelle, Benjamin V. Tucker, and Harald Baayen. "Morphological effects on formant movement in spontaneous speech." Journal of the Acoustical Society of America 139, no. 4 (2016): 2017. http://dx.doi.org/10.1121/1.4949944.

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Keeney, Bradford, and Hillary Keeney. "Seiki jutsu: Transformation and healing through spontaneous movement." Dance, Movement & Spiritualities 1, no. 1 (2014): 43–55. http://dx.doi.org/10.1386/dmas.1.1.43_1.

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Kopala, L. C. "Spontaneous and drug-induced movement disorders in schizophrenia." Acta Psychiatrica Scandinavica 94, s389 (1996): 12–17. http://dx.doi.org/10.1111/j.1600-0447.1996.tb05943.x.

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YOUNG, STEPHEN, and VICTORIA A. TAYLOR. "Spontaneous and Evoked Eye Movements in Polyphemus Pediculus (Cladocera: Crustacea): A Case of Open-Loop Tracking?" Journal of Experimental Biology 131, no. 1 (1987): 323–36. http://dx.doi.org/10.1242/jeb.131.1.323.

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1. Polyphemus eye movements were recorded in both pitching and yawing planes, both in a static visual environment and with a sinusoidally moving stimulus. 2. Spontaneous eye movements (average amplitude 1.7°) had different properties in the two planes, with trembling movements predominating in the pitching plane. A contour-sharpening function is proposed for these movements. 3. An attempt to analyse the eye movement response system using a Bode diagram shows a very poor fit to the data, leading to the conclusion that a closed-loop control system is an inappropriate model in this case. 4. The e

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Doroniewicz, Iwona, Daniel J. Ledwoń, Alicja Affanasowicz, et al. "Writhing Movement Detection in Newborns on the Second and Third Day of Life Using Pose-Based Feature Machine Learning Classification." Sensors 20, no. 21 (2020): 5986. http://dx.doi.org/10.3390/s20215986.

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Observation of neuromotor development at an early stage of an infant’s life allows for early diagnosis of deficits and the beginning of the therapeutic process. General movement assessment is a method of spontaneous movement observation, which is the foundation for contemporary attempts at objectification and computer-aided diagnosis based on video recordings’ analysis. The present study attempts to automatically detect writhing movements, one of the normal general movement categories presented by newborns in the first weeks of life. A set of 31 recordings of newborns on the second and third d

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Lepreux, Gaëtan, Stephan Shuichi Haupt, and Volker Dürr. "Bimodal modulation of background activity in an identified descending interneuron." Journal of Neurophysiology 122, no. 6 (2019): 2316–30. http://dx.doi.org/10.1152/jn.00864.2018.

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In the absence of any obvious input, sensory neurons and interneurons can display resting or spontaneous activity. This is often regarded as noise and removed through trial averaging, although it may reflect history-dependent modulation of tuning or fidelity and, thus, be of functional relevance to downstream interneurons. We investigated the history dependence of spontaneous activity in a pair of identified, bimodal descending interneurons of the stick insect, called contralateral ON-type velocity-sensitive interneurons (cONv). The bilateral pair of cONv conveys antennal mechanosensory inform

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Fenton, Wayne S., Crystal R. Blyler, Richard J. Wyatt, and Thomas H. McGlashan. "Prevalence of spontaneous dyskinesia in schizophrenic and non-schizophrenic psychiatric patients." British Journal of Psychiatry 171, no. 3 (1997): 265–68. http://dx.doi.org/10.1192/bjp.171.3.265.

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BackgroundAlthough movement disorders have been noted among patients never exposed to neuroleptic medications, the specificity of spontaneous dyskinesia to schizophrenia has rarely been examined.MethodBy abstracting detailed case records, we compared the prevalence of dyskinetic movements between 94 neuroleptic-naïve schizophrenic patients and 179 patients with other psychiatric disorders.ResultsDyskinetic movements were more common among patients with schizophrenia than among those with all other diagnoses, and were most often noted in the body areas typically associated with tardive dyskines

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Kimura, M. "Behaviorally contingent property of movement-related activity of the primate putamen." Journal of Neurophysiology 63, no. 6 (1990): 1277–96. http://dx.doi.org/10.1152/jn.1990.63.6.1277.

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1. In this study, the movement-related activity of putamen neurons was investigated in behaving monkeys. The objective of the study was to examine whether the activity occurring in phase with body movements is directly related to the movement per se by encoding movement parameters or whether it is dependent on the circumstances in which the movement is performed. 2. Sensorially triggered arm movements were used as a behavioral task. A sequence of three visually triggered repetitive flexion-extensions of the elbow joint across the target were followed by the delivery of a juice reward. 3. There

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Burger, Birgitta, Suvi Saarikallio, Geoff Luck, Marc R. Thompson, and Petri Toiviainen. "Relationships Between Perceived Emotions in Music and Music-induced Movement." Music Perception 30, no. 5 (2012): 517–33. http://dx.doi.org/10.1525/mp.2013.30.5.517.

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Listening to music makes us move in various ways. Several factors can affect the characteristics of these movements, including individual factors and musical features. Additionally, music-induced movement may also be shaped by the emotional content of the music, since emotions are an important element of musical expression. This study investigates possible relationships between emotional characteristics of music and music-induced, quasi-spontaneous movement. We recorded music-induced movement of 60 individuals, and computationally extracted features from the movement data. Additionally, the em

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Ailamazjan, Aida M. "Free dance as a cultural-historical practice of improvisation." National Psychological Journal 41, no. 1 (2021): 175–92. http://dx.doi.org/10.11621/npj.2021.0114.

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Background. Plastic, expressive aspects of human behaviour remain underresearched by psychologists. The focus on practices of improvisation is determined by the fact that they show most vividly how expressive movement comes into being. Objective. The aim of the study is to provide psychological analysis of improvised dance action, to identify the conditions of its generation. The hypothesis put forward concerns the formation of overall personal attitude that makes one ready to perform expressive movement in the context of musical-motional improvisation. It seems probable that the principles of

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