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Relevant bibliographies by topics / Monkeys motor cortex

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Academic literature on the topic 'Monkeys motor cortex'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Monkeys motor cortex"

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Allison, T., C. C. Wood, G. McCarthy, and D. D. Spencer. "Cortical somatosensory evoked potentials. II. Effects of excision of somatosensory or motor cortex in humans and monkeys." Journal of Neurophysiology 66, no. 1 (1991): 64–82. http://dx.doi.org/10.1152/jn.1991.66.1.64.

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1. To clarify the generators of human short-latency somatosensory evoked potentials (SEPs) thought to arise in sensorimotor cortex, we studied the effects on SEPs of surgical excision of somatosensory or motor cortex in humans and monkeys. 2. Normal median nerve SEPs (P20-N30, N20-P30, and P25-N35) were recorded from the cortical surface of a patient (G13) undergoing a cortical excision for relief of focal seizures. All SEPs were abolished both acutely and chronically after excision of the hand area of somatosensory cortex. Similarly, excision of the hand area of somatosensory cortex abolished

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Lawrence, Donald G. "Central Neural Mechanisms of Prehension." Canadian Journal of Physiology and Pharmacology 72, no. 5 (1994): 580–82. http://dx.doi.org/10.1139/y94-082.

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The digital dexterity seen in man and macaque monkeys but not present in other primates, such as the squirrel monkey, occurs without anatomical specialization of the hand. The central nervous system apparatus essential to such dexterity resides in the motor cortex and its outflow to lower centres. Areas other than the motor cortex are involved in the initiation and execution of complex sequential movements, including those of the fingers and hand. These include the supplementary motor and premotor areas of the cerebral cortex and the lateral parts of the cortex and the deep nuclei of the cereb

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Murray, G. M., L. D. Lin, E. M. Moustafa, and B. J. Sessle. "Effects of reversible inactivation by cooling of the primate face motor cortex on the performance of a trained tongue-protrusion task and a trained biting task." Journal of Neurophysiology 65, no. 3 (1991): 511–30. http://dx.doi.org/10.1152/jn.1991.65.3.511.

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1. Intracortical microstimulation (ICMS) and surface stimulation studies of primate face motor cortex have shown an extensive representation within face motor cortex devoted to movements of the tongue and face; only a very small representation for jaw-closing movements has ever been demonstrated. These data suggest that face motor cortex plays a critical role in the generation of tongue and facial movements but is less important in the generation of jaw-closing movements. Our aim was to determine whether disruption of primate face motor cortical function would indeed interfere with the generat

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Qi, Hui-Xin, Iwona Stepniewska, and Jon H. Kaas. "Reorganization of Primary Motor Cortex in Adult Macaque Monkeys With Long-Standing Amputations." Journal of Neurophysiology 84, no. 4 (2000): 2133–47. http://dx.doi.org/10.1152/jn.2000.84.4.2133.

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The organization of primary motor cortex (M1) of adult macaque monkeys was examined years after therapeutic amputation of part of a limb or digits. For each case, a large number of sites in M1 were electrically stimulated with a penetrating microelectrode, and the evoked movements and levels of current needed to evoke the movements were recorded. Results from four monkeys with the loss of a forelimb near or above the elbow show that extensive regions of cortex formerly devoted to the missing hand evoked movements of the stump and the adjoining shoulder. Threshold current levels for stump movem

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Widener, Gail L., and Paul D. Cheney. "Effects on Muscle Activity From Microstimuli Applied to Somatosensory and Motor Cortex During Voluntary Movement in the Monkey." Journal of Neurophysiology 77, no. 5 (1997): 2446–65. http://dx.doi.org/10.1152/jn.1997.77.5.2446.

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Widener, Gail L. and Paul D. Cheney. Effects on muscle activity from microstimuli applied to somatosensory and motor cortex during voluntary movement in the monkey. J. Neurophysiol. 77: 2446–2465, 1997. It is well known that electrical stimulation of primary somatosensory cortex (SI) evokes movements that resemble those evoked from primary motor cortex. These findings have led to the concept that SI may possess motor capabilities paralleling those of motor cortex and speculation that SI could function as a robust relay mediating motor responses from central and peripheral inputs. The purpose o

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Moore, T., H. R. Rodman, A. B. Repp, C. G. Gross, and R. S. Mezrich. "Greater residual vision in monkeys after striate cortex damage in infancy." Journal of Neurophysiology 76, no. 6 (1996): 3928–33. http://dx.doi.org/10.1152/jn.1996.76.6.3928.

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1. Monkeys with large unilateral surgical ablations of striate cortex, sustained either in adulthood or at 5–6 wk of age, were trained on an oculomotor detection and localization task and tested with visual stimuli in the hemifields ipsilateral and contralateral to the lesion 2–5 yr after surgery. 2. Monkeys with lesions sustained in adulthood were largely unable to detect stimuli in the hemifield contralateral to the lesion, with only one monkey showing recovery toward the end of testing. Monkeys with lesions of striate cortex made in infancy, however, each showed residual detection capacity

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Simon, Stéphane R., Martine Meunier, Loÿs Piettre, Anna M. Berardi, Christoph M. Segebarth, and Driss Boussaoud. "Spatial Attention and Memory Versus Motor Preparation: Premotor Cortex Involvement as Revealed by fMRI." Journal of Neurophysiology 88, no. 4 (2002): 2047–57. http://dx.doi.org/10.1152/jn.2002.88.4.2047.

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Recent studies in both monkeys and humans indicate that the dorsal premotor cortex participates in spatial attention and working memory, in addition to its well known role in movement planning and execution. One important question is whether these functions overlap or are segregated within this frontal area. Single-cell recordings in monkeys suggest a relative specialization of the rostral portion of dorsal premotor cortex for attention and/or memory and of the caudal region for motor preparation. To test whether this possibility also holds true in humans, we used functional magnetic resonance

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Bracewell, R. M., P. Mazzoni, S. Barash, and R. A. Andersen. "Motor intention activity in the macaque's lateral intraparietal area. II. Changes of motor plan." Journal of Neurophysiology 76, no. 3 (1996): 1457–64. http://dx.doi.org/10.1152/jn.1996.76.3.1457.

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1. In the companion paper we reported that the predominant signal of the population of neurons in the lateral intraparietal area (area LIP) of the monkey's posterior parietal cortex (PPC) encode the next intended saccadic eye movement during the delay period of a memory-saccade task. This result predicts that, should be monkey change his intention of what the next saccade will be, LIP activity should change accordingly to reflect the new plan. We tested this prediction by training monkeys to change their saccadic plan on command and recording the activity of LIP neurons across plan changes. 2.

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Kurata, Kiyoshi, and Eiji Hoshi. "Reacquisition Deficits in Prism Adaptation After Muscimol Microinjection Into the Ventral Premotor Cortex of Monkeys." Journal of Neurophysiology 81, no. 4 (1999): 1927–38. http://dx.doi.org/10.1152/jn.1999.81.4.1927.

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Reacquisition deficits in prism adaptation after muscimol microinjection into the ventral premotor cortex of monkeys. A small amount of muscimol (1 μl; concentration, 5 μg/μl) was injected into the ventral and dorsal premotor cortex areas (PMv and PMd, respectively) of monkeys, which then were required to perform a visually guided reaching task. For the task, the monkeys were required to reach for a target soon after it was presented on a screen. While performing the task, the monkeys’ eyes were covered with left 10°, right 10°, or no wedge prisms, for a block of 50–100 trials. Without the pri

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Pavlides, C., E. Miyashita, and H. Asanuma. "Projection from the sensory to the motor cortex is important in learning motor skills in the monkey." Journal of Neurophysiology 70, no. 2 (1993): 733–41. http://dx.doi.org/10.1152/jn.1993.70.2.733.

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1. The projection from the somatosensory cortex to the primary motor cortex has been proposed to play an important role in learning novel motor skills. This hypothesis was examined by studying the effects of lesions to the sensory cortex on learning of new motor skills. 2. We used two experimental paradigms to reveal the effects of lesions on learning of new motor skills. One task was to catch a food pellet falling at various velocities. The other task was to catch a food pellet from a rotating level. Both tasks required acquisition of novel motor skills. 3. The training was started after a le

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Dissertations / Theses on the topic "Monkeys motor cortex"

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Thaler, D. E. "Supplementary motor cortex and the control of action." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235063.

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Benda, Brian J. "Neural correlates of motor learning/memory in primary motor cortex of macaque monkeys." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9920.

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Spinks, Rachel Lucy. "Premotor and motor cortex and visually guided grasp : a methodological and experimental study of local field potentials in the cortex of the awake, behaving macaque monkey." Thesis, University College London (University of London), 2005. http://discovery.ucl.ac.uk/1446483/.

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When we reach for and grasp an object, we must transport our hand to the correct location, shape it appropriately and subsequently grasp the object with an appropriate amount of force. This involves a complex series of neuronal computations to process the visual properties of the object, generate a desired action, and to finally relay instructions to the musculature of the hand and arm to execute the action. The premotor and primary motor cortices constitute an important part of this pathway. In the macaque monkey, the premotor cortex (F5) is known to receive visual and visuomotor information

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Confais, Joachim. "Timing dans le cortex moteur : de l'anticipation d'un indice spatial à la préparation du mouvement : =Timing in motor cortex : from cue anticipation to movement preparation." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5015/document.

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Le contexte temporel influence profondément la façon dont nous nous comportons. De manière similaire, il donne forme à l'activité du cortex moteur (LFP et potentiels d'action), pendant la préparation motrice, mais aussi en absence de préparation d'un mouvement<br>The temporal context deeply shapes the motor cortical activity (spikes and LFPs), during movement preparation but also outside movement preparation

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Zimnik, Andrew James. "The Generation of Complex Reaches." Thesis, 2021. https://doi.org/10.7916/d8-p5ca-zv88.

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The study of motor cortex (dorsal premotor cortex and primary motor cortex) has been greatly aided by the development of a conceptual paradigm that has emerged over the past decade. In contrast to established frameworks, which view neural activity within motor cortex as a representation of particular movement parameters, the ‘dynamical systems paradigm’ posits that motor cortex is best understood via the low-dimensional neural processes that allow the generation of motor commands. This framework largely evolved from, and has been most successfully applied to, simple reaching tasks, where the s

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Bittner, Sean Robert. "Building theories of neural circuits with machine learning." Thesis, 2021. https://doi.org/10.7916/d8-qkrz-sv89.

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As theoretical neuroscience has grown as a field, machine learning techniques have played an increasingly important role in the development and evaluation of theories of neural computation. Today, machine learning is used in a variety of neuroscientific contexts from statistical inference to neural network training to normative modeling. This dissertation introduces machine learning techniques for use across the various domains of theoretical neuroscience, and the application of these techniques to build theories of neural circuits. First, we introduce a variety of optimization techniq

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Buchwald, Daniela. "Monkey see, monkey touch, monkey do: Influence of visual and tactile input on the fronto-parietal grasping network." Doctoral thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-13DC-E.

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Addou, Touria. "Mécanismes psychophysiques et neuronaux de la compensation dynamique de multiples champs de force : facilitation et anticipation liée à des indices de couleur." Thèse, 2015. http://hdl.handle.net/1866/15996.

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Dans cette thèse, nous abordons le contrôle moteur du mouvement du coude à travers deux approches expérimentales : une première étude psychophysique a été effectuée chez les sujets humains, et une seconde implique des enregistrements neurophysiologiques chez le singe. Nous avons recensé plusieurs aspects non résolus jusqu’à présent dans l’apprentissage moteur, particulièrement concernant l’interférence survenant lors de l’adaptation à deux ou plusieurs champs de force anti-corrélés. Nous avons conçu un paradigme où des stimuli de couleur aident les sujets à prédire la nature du champ de force

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Coallier, Émilie. "Étude du cortex prémoteur et préfrontal lors de la prise de décision pendant l'intégration temporelle des informations." Thèse, 2014. http://hdl.handle.net/1866/11803.

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Une variété de modèles sur le processus de prise de décision dans divers contextes présume que les sujets accumulent les évidences sensorielles, échantillonnent et intègrent constamment les signaux pour et contre des hypothèses alternatives. L'intégration continue jusqu'à ce que les évidences en faveur de l'une des hypothèses dépassent un seuil de critère de décision (niveau de preuve exigé pour prendre une décision). De nouveaux modèles suggèrent que ce processus de décision est plutôt dynamique; les différents paramètres peuvent varier entre les essais et même pendant l’essai plutôt que d’êt

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Dea, Melvin. "Origine des projections sensorimotrices dans des sous-régions du cortex moteur primaire chez le singe capucin." Thèse, 2015. http://hdl.handle.net/1866/13417.

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Books on the topic "Monkeys motor cortex"

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The cortical and subcortical efferent and afferent connections of a proposed cingulate motor cortex and its topographical relationship to the primary and supplementary motor cortices of the rhesus monkey. 1989.

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Book chapters on the topic "Monkeys motor cortex"

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Black, Perry, Ronald S. Markowitz, and Salvatore N. Cianci. "Recovery of Motor Function After Lesions in Motor Cortex of Monkey." In Novartis Foundation Symposia. John Wiley & Sons, Ltd., 2008. http://dx.doi.org/10.1002/9780470720165.ch5.

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Riehle, Alexa, Sonja Grün, Ad Aertsen, and Jean Requin. "Signatures of dynamic cell assemblies in monkey motor cortex." In Artificial Neural Networks — ICANN 96. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-61510-5_114.

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Sasaki, K., and H. Gemba. "Compensatory Motor Function of the Somatosensory Cortex in the Monkey Following Cooling of the Motor Cortex and Cerebellectomy." In Hand Function and the Neocortex. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-70105-4_17.

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Asanuma, Hiroshi. "Recovery of Motor Skill Following Deprivation of Direct Sensory Input to the Motor Cortex in the Monkey." In Neural Mechanisms of Conditioning. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2115-6_10.

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Controzzi, M., Y. Hao, Q. Zhang, et al. "Decoding Grasp Types from the Monkey Motor Cortex and On-Line Control of a Dexterous Artificial Hand." In Converging Clinical and Engineering Research on Neurorehabilitation. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-34546-3_11.

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Goldman, Patricia S., and Walle J. H. Nauta. "Columnar Distribution of Cortico-Cortical Fibers in the Frontal Association, Limbic, and Motor Cortex of the Developing Rhesus Monkey." In Neuroanatomy. Birkhäuser Boston, 1993. http://dx.doi.org/10.1007/978-1-4684-7920-1_28.

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Turton, A., C. Fraser, D. Flament, W. Werner, K. M. B. Bennett, and R. N. Lemon. "Organisation of Cortico-motoneuronal Projections from the Primary Motor Cortex: Evidence for Task-Related Function in Monkey and in Man." In Spasticity. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78367-8_2.

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Rizzolatti, Giacomo, and Stefano Rozzi. "Motor Cortex and Mirror System in Monkeys and Humans." In Neurobiology of Language. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-12-407794-2.00006-7.

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Kaas, Jon H. "The Organization of Sensory and Motor Cortex in Owl Monkeys." In Aotus: the Owl Monkey. Elsevier, 1994. http://dx.doi.org/10.1016/b978-0-12-072405-5.50017-2.

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Merchant, Hugo, and Apostolos P. Georgopoulos. "Inhibitory Mechanisms in the Motor Cortical Circuit." In Handbook of Brain Microcircuits, edited by Gordon M. Shepherd and Sten Grillner. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190636111.003.0006.

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Inhibitory mechanisms are crucial for the integrated operation of the motor cortical circuit. Local inhibition is exerted by interneurons that are GABAergic, nonpyramidal cells with short, nonprojecting axons. Interneurons can be classified into at least two groups: fast-spiking (FS) neurons and instrinsic bursting (IB) neurons. In the primary motor cortex, FS cells may sculpe the tuning dispersion of directionally selective putative pyramidal cells during reaching in behaving monkeys. Analysis of putative interneuronal activity also allowed to discard the role of inhibition as a gating mechanism in motor control. The development of high-density, semichronic electrode systems for extracellular recordings in behaving primates will allow a closer investigation of the role of interneuronal inhibition in directional tuning and voluntary motor control. The results discussed in this chapter agree with the authors’ proposal that local inhibitory mechanisms may be intimately involved in controlling the directional accuracy and speed of the reaching movement.

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Conference papers on the topic "Monkeys motor cortex"

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Liu, Keyi, Wenjuan Hu, and Yao Chen. "Encoding of Stimulus-driven and Intention-driven Actions in Monkey's Primary Motor Cortex." In ICBBE '19: 2019 6th International Conference on Biomedical and Bioinformatics Engineering. ACM, 2019. http://dx.doi.org/10.1145/3375923.3375945.

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Miyashita, Eizo, and Yutaka Sakaguchi. "Suggestive evidence for a forward model of the arm in the monkey motor cortex." In 2014 IEEE 13th International Workshop on Advanced Motion Control (AMC). IEEE, 2014. http://dx.doi.org/10.1109/amc.2014.6823280.

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Alexander, G. E., and M. D. Crutcher. "Parallel processing within motor areas of cerebral cortex and basal ganglia in the monkey." In 1990 IJCNN International Joint Conference on Neural Networks. IEEE, 1990. http://dx.doi.org/10.1109/ijcnn.1990.137784.

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Qian, Kai, Luiz Antonio dos Anjos, Karthikeyan Balasubramanian, et al. "Using monkey hand exoskeleton to explore finger passive joint movement response in primary motor cortex." In 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2017. http://dx.doi.org/10.1109/embc.2017.8037642.

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Watanabe, Hidenori, Kazutaka Takahashi, and Tadashi Isa. "Phase locking of β oscillation in electrocorticography (ECoG) in the monkey motor cortex at the onset of EMGs and 3D reaching movements." In 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2015. http://dx.doi.org/10.1109/embc.2015.7318299.

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Watanabe, Hidenori, Kazutaka Takahashi, Yukio Nishimura, and Tadashi Isa. "Phase and magnitude spatiotemporal dynamics of β oscillation in electrocorticography (ECoG) in the monkey motor cortex at the onset of 3D reaching movements." In 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2014. http://dx.doi.org/10.1109/embc.2014.6944796.

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