Academic literature on the topic 'Medial Premotor Cortex'

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Journal articles on the topic "Medial Premotor Cortex"

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Fink, Gereon R., Richard S. J. Frackowiak, Uwe Pietrzyk, and Richard E. Passingham. "Multiple Nonprimary Motor Areas in the Human Cortex." Journal of Neurophysiology 77, no. 4 (1997): 2164–74. http://dx.doi.org/10.1152/jn.1997.77.4.2164.

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Fink, Gereon R., Richard S. J. Frackowiak, Uwe Pietrzyk, and Richard E. Passingham. Multiple nonprimary motor areas in the human cortex. J. Neurophysiol. 77: 2164–2174, 1997. We measured the distribution of regional cerebral blood flow with positron emission tomography while three subjects moved their hand, shoulder, or leg. The images were coregistered with each individual's anatomic magnetic resonance scans. The data were analyzed for each individual to avoid intersubject averaging and so to preserve individual gyral anatomy. Instead of inspecting all pixels, we prospectively restricted the
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Goldberg, Gary. "Supplementary motor area structure and function: Review and hypotheses." Behavioral and Brain Sciences 8, no. 4 (1985): 567–88. http://dx.doi.org/10.1017/s0140525x00045167.

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AbstractThough its existence has been known for well over 30 years, only recently has the supplementary motor area (SMA) and its role in the cortical organization of movement come to be examined in detail by neuroscientists. Evidence from a wide variety of investigational perspectives is reviewed in an attempt to synthesize a conceptual framework for understanding SMA function. It is suggested that the SMA has an important role to play in the intentional process whereby internal context influences the elaboration of action. It may be viewed as phylogenetically older motor cortex, derived from
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Mahone, E. Mark, Marin E. Ranta, Deana Crocetti, et al. "Comprehensive Examination of Frontal Regions in Boys and Girls with Attention-Deficit/Hyperactivity Disorder." Journal of the International Neuropsychological Society 17, no. 6 (2011): 1047–57. http://dx.doi.org/10.1017/s1355617711001056.

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AbstractThe current study examined regional frontal lobe volumes based on functionally relevant subdivisions in contemporaneously recruited samples of boys and girls with and without attention-deficit/hyperactivity disorder (ADHD). Forty-four boys (21 ADHD, 23 control) and 42 girls (21 ADHD, 21 control), ages 8–13 years, participated. Sulcal–gyral landmarks were used to manually delimit functionally relevant regions within the frontal lobe: primary motor cortex, anterior cingulate, deep white matter, premotor regions [supplementary motor complex (SMC), frontal eye field, lateral premotor corte
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Hernández, Adrián, Antonio Zainos, and Ranulfo Romo. "Temporal Evolution of a Decision-Making Process in Medial Premotor Cortex." Neuron 33, no. 6 (2002): 959–72. http://dx.doi.org/10.1016/s0896-6273(02)00613-x.

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D'Ostilio, Kevin, and Gaëtan Garraux. "Automatic Stimulus-Induced Medial Premotor Cortex Activation without Perception or Action." PLoS ONE 6, no. 2 (2011): e16613. http://dx.doi.org/10.1371/journal.pone.0016613.

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Liu, Yawu, Jari O. Karonen, Juho Nuutinen, Esko Vanninen, Jyrki T. Kuikka, and Ritva L. Vanninen. "Crossed Cerebellar Diaschisis in Acute Ischemic Stroke: A Study with Serial SPECT and MRI." Journal of Cerebral Blood Flow & Metabolism 27, no. 10 (2007): 1724–32. http://dx.doi.org/10.1038/sj.jcbfm.9600467.

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This study evaluated the relationship between crossed cerebellar diaschisis (CCD) and (1) lesion volume and location in the acute phase and 1 week after stroke onset and (2) clinical outcome. Twenty-two patients with cerebral ischemic stroke underwent single-photon emission computed tomography (SPECT) and magnetic resonance imaging (MRI) within 48 h and on day 8 from onset. Interhemispheric asymmetric indices (AI) on SPECT were calculated for medial, intermediate, and lateral zones of the cerebellum. Lesion volumes and locations were obtained from diffusion-weighted MRI. Neurological status an
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Goldberg, Gary, and Roberta Brooks. "Premotor systems, language-related neurodynamics, and cetacean communication." Behavioral and Brain Sciences 21, no. 4 (1998): 517–18. http://dx.doi.org/10.1017/s0140525x98291266.

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The frame/content theory of speech production is restricted to output mechanisms in the target article; we suggest that these ideas might best be viewed in the context of language production proceeding as a coordinated dynamical whole. The role of the medial premotor system in generating frames matches the important role it may play in the internally dependent timing of motor acts. The proposed coevolution of cortical architectonics and language production mechanisms suggests a significant divergence between primate and cetacean species corresponding to major differences in areal differentiati
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Breveglieri, Rossella, Sara Borgomaneri, Matteo Filippini, Marina De Vitis, Alessia Tessari, and Patrizia Fattori. "Functional Connectivity at Rest between the Human Medial Posterior Parietal Cortex and the Primary Motor Cortex Detected by Paired-Pulse Transcranial Magnetic Stimulation." Brain Sciences 11, no. 10 (2021): 1357. http://dx.doi.org/10.3390/brainsci11101357.

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The medial posterior parietal cortex (PPC) is involved in the complex processes of visuomotor integration. Its connections to the dorsal premotor cortex, which in turn is connected to the primary motor cortex (M1), complete the fronto-parietal network that supports important cognitive functions in the planning and execution of goal-oriented movements. In this study, we wanted to investigate the time-course of the functional connectivity at rest between the medial PPC and the M1 using dual-site transcranial magnetic stimulation in healthy humans. We stimulated the left M1 using a suprathreshold
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Merchant, Hugo, and Bruno B. Averbeck. "The Computational and Neural Basis of Rhythmic Timing in Medial Premotor Cortex." Journal of Neuroscience 37, no. 17 (2017): 4552–64. http://dx.doi.org/10.1523/jneurosci.0367-17.2017.

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Nickl, Robert W. "The Medial Premotor Cortex as a Bridge from Internal Timekeeping to Action." Journal of Neuroscience 37, no. 37 (2017): 8860–62. http://dx.doi.org/10.1523/jneurosci.1790-17.2017.

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Dissertations / Theses on the topic "Medial Premotor Cortex"

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Martínez-García, Marina. "Statistical analysis of neural correlates in decision-making." Doctoral thesis, Universitat Pompeu Fabra, 2014. http://hdl.handle.net/10803/283111.

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We investigated the neuronal processes which occur during a decision- making task based on a perceptual classi cation judgment. For this purpose we have analysed three di erent experimental paradigms (somatosensory, visual, and auditory) in two di erent species (monkey and rat), with the common goal of shedding light into the information carried by neurons. In particular, we focused on how the information content is preserved in the underlying neuronal activity over time. Furthermore we considered how the decision, the stimuli, and the con dence are encoded in memory and, when the exp
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Books on the topic "Medial Premotor Cortex"

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Crosson, Bruce A., Anastasia Ford, and Anastasia M. Raymer. Transcortical Motor Aphasia. Edited by Anastasia M. Raymer and Leslie J. Gonzalez Rothi. Oxford University Press, 2015. http://dx.doi.org/10.1093/oxfordhb/9780199772391.013.11.

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The defining symptoms of transcortical motor aphasia (TCMA) are nonfluent verbal output with relatively preserved repetition. Other symptoms, such as naming difficulties, agrammatic output, or even some paraphasias, may occur, but these are not cardinal symptoms defining TCMA and are not necessary for the diagnosis. The core anatomy involved in TCMA is a lesion of the medial frontal cortex, especially the left presupplementary motor area (pre-SMA) and adjacent Brodmann’s area 32; a lesion of the left posterior inferior frontal cortex, especially pars opercularis and ventral lateral premotor co
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Book chapters on the topic "Medial Premotor Cortex"

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Passingham, Richard. "Medial premotor cortex (SMA) (area 6)." In The Frontal Lobes and Voluntary Action. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198521853.003.0004.

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Abstract The previous chapter considered voluntary movements made in response to some prompt. The monkey pulls the lever when the red light appears; the patient salutes when the examiner commands. In both cases the act that is appropriate depends on the context, and the context is some event in the world. We may say that the individual ‘reacts’.
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Passingham, Richard E. "Medial Prefrontal Cortex." In Understanding the Prefrontal Cortex. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198844570.003.0003.

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In primates, the medial prefrontal cortex (PF) supports sequences of self-generated actions that are performed spontaneously and without external cues to instruct the action that is appropriate. Instead, the actions are performed on the basis of memories of previous events and their outcomes. Inputs from the parahippocampal and hippocampal cortex provide information about the scene or context; and inputs from the amygdala and orbital prefrontal cortex specify the outcomes. In ancestral anthropoids the hippocampal system for navigation was co-opted to support the retrieval of sequences of actio
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Barbas, Helen, and Deepak N. Pandya. "Patterns of Connections of the Prefrontal Cortex in the Rhesus Monkey Associated with Cortical Architecture." In Frontal Lobe Function and Dysfunction. Oxford University PressNew York, NY, 1991. http://dx.doi.org/10.1093/oso/9780195062847.003.0002.

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Abstract The prefrontal cortex in the rhesus monkey is situated rostral to the premotor cortex and extends from the arcuate sulcus to the frontal pole on the lateral surface, anterior to the supplementary motor cortex on the medial surface, and rostral to the temporal pole and the anterior insula on the basal surface. It is a heterogeneous region composed of several anatomic and functional subdivisions.
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Passingham, Richard. "Motor cortex (area 4)." In The Frontal Lobes and Voluntary Action. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198521853.003.0002.

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Abstract The cortex of the frontal lobe divides into four strips. Figure 2.2 shows these on a drawing of the macaque brain. The strips will be referred to as motor cortex, premotor cortex, prefrontal cortex, and the anterior dngulate cortex. The first three strips are arranged vertically and they wrap round on to the medial surface; they include the upper hank of the cingulate sulcus. The last strip is arranged horizontally, and this includes the lower bank of the cingulate sulcus. The distinction between the strips is best drawn on the basis of differences between the areas in cytoarchitectur
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Baldwin, Mary K. L., and Steven P. Wise. "Evolution of Frontal Cortex and Thalamus in Primates." In The Cerebral Cortex and Thalamus, edited by Andrew C. Halley and Leah Krubitzer. Oxford University PressNew York, 2023. http://dx.doi.org/10.1093/med/9780197676158.003.0057.

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Abstract The frontal cortex and thalamus changed during primate evolution, both in size and composition. New, primate-specific areas include the granular prefrontal cortex (PFC) and several premotor areas, and an emphasis on vision increased the size and complexity of cortical visual areas, which directly influenced the frontal cortex. When they first evolved, visual inputs to the PFC guided foraging, while those to premotor areas improved reaching and leaping. A key development occurred during the Miocene, when the frontal lobe enlarged independently in New World monkeys, Old World monkeys, a
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Vogt, Brent A., and Robert W. Sikes. "Cingulate Nociceptive Circuitry and Roles in Pain Processing: The Cingulate Premotor Pain Model." In Cingulate Neurobiology and Disease. Oxford University PressOxford, 2009. http://dx.doi.org/10.1093/oso/9780198566960.003.0014.

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Abstract A long tradition conceptualizes pain processing according to sensory-discriminative and affective-motivational domains (Melzack & Casey, 1968; Melzack, 1975; Kenshalo & Willis, 1991). The sensory-discriminative domain engages stimulus localization and can be assessed with visual analogue scales for intensity, while the affective-motivational domain involves the affective component of pain and is measured with ratings of unpleasantness. This duality was framed in terms of medialand lateral thalamicprocessing by Albe-Fessard et al. (1985), who proposed that the lateral thalamic
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Conference papers on the topic "Medial Premotor Cortex"

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Patel, Krishna, Michael Stevens, Suyash Adhikari, Greg Book, Muhammad Mubeen, and Godfrey Pearlson. "Acute cannabis-related alterations in an fMRI time estimation task." In 2022 Annual Scientific Meeting of the Research Society on Marijuana. Research Society on Marijuana, 2022. http://dx.doi.org/10.26828/cannabis.2022.02.000.26.

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Introduction: Cannabis is widely popular recreational drug of choice in the US. The drug is known to alter the subjective experience of time. However, its effects on time estimation at a brain level are still largely unexplored. Our goal was to investigate acute effects of cannabis on an fMRI time estimation task by evaluating brain activation differences between cannabis and placebo conditions. We hypothesized that participants’ time estimation accuracy and corresponding BOLD response would be altered during the cannabis condition in a dose-related manner, compared to placebo. Methods: In thi
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Murase, Nagako, John C. Rothwell, Ryuji Kaji, et al. "Acute Effect of Subthreshold Low-frequency Repetitive Transcranial Magnetic Stimulation over the Premotor Cortex in Writer's Cramp." In 2007 IEEE/ICME International Conference on Complex Medical Engineering. IEEE, 2007. http://dx.doi.org/10.1109/iccme.2007.4382100.

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Kirimoto, Hikari, Katsuya Ogata, Hideaki Onishi, Mineo Oyama, Yoshinobu Goto, and Shozo Tobimatsu. "Transcranial direct current stimulation over premotor cortex modifies the excitability of the ipsilateral primary motor and somatosensory cortices." In 2009 ICME International Conference on Complex Medical Engineering - CME 2009. IEEE, 2009. http://dx.doi.org/10.1109/iccme.2009.4906610.

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