
	Where results make sense

Topic: Primary motor area

Related Topics

Primary sensory areas

In the News (Thu 16 Feb 12)

EXECUTIVE POWER

Iran

ANALYSIS

Pakistan

Family compact

	Modulating Neural Networks With Transcranial Magnetic Stimulation Applied Over the Dorsal Premotor and Primary Motor ...
		the dorsal premotor cortex, in the primary motor cortex, and
		dorsal premotor and primary motor cortices; this was not the
		Of all the cortical motor areas, the primary motor cortex
	jn.physiology.org /cgi/content/full/90/2/1071 (7466 words)

	Voluntary Movement
		However, the fingers, hands, and face-which are used in tasks requiring the greatest precision and finest control-have disproportionately large representations in the motor area cortex, much as the inputs from regions of the body that have important roles in perception predominate in sensory area of the cortex.
		Each pre motor area has its own pattern of inputs from distinct locations from areas 5 and 7.Area 46 projects mainly to the ventral pre motor area and is important in working memory; it is thought to store information about location of objects in space only long enough to guide a movement.
		The supplementary motor area seems to be involved in preparing movement sequences from memory in the absence of visual cues.
	indianhandsontherapy.tripod.com /hemant/id39.html (2361 words)

	Primary motor area - Enpsychlopedia (Site not responding. Last check: 2007-10-21)
		The primary motor area is a group of networked cells in mammalian brains that controls movements of specific body parts associated with cell groups in that area of the brain.
		The primary motor area comprises the precentral gyrus and the related cortical tissue that folds into the central sulcus between the frontal lobes and the parietal lobes
		Pre-motor areas are involved in planning actions (in concert with the basal ganglia) and refining movements based upon sensory input (this requires the cerebellum).
	www.grohol.com /psypsych/Primary_motor_area (358 words)

	OUP: Appendix 03
		Area 4 (the primary motor cortex) contains cells which are involved in the control of specific limb movements with the cells being organized in a somatopic map (the motor homunculus pictured in innumerable textbooks).
		We should remind ourselves here that, as we move away from the primary motor areas, not only are we moving to progressively higher levels of the motor system but we are moving to areas which receive their input from progressively higher levels of the unimodal sensory cortices.
		Since area 24 is reciprocally connected to all of the subdivisions of the posterior cingulate cortex, and since areas 23 and 24 have partially overlapping efferents to the defence system, we have chosen to represent the anterior and posterior cingulate as two parallel, interconnected, related modules.
	www.oup.co.uk /medicine/medical_updates/neuropsych_anxiety/app03 (14949 words)

	Frontal lobe - Wikipedia, the free encyclopedia
		The frontal lobe is an area in the brains of vertebrates.
		In the human brain, the precentral gyrus and the related cortical tissue that folds into the central sulcus comprise the primary motor area, which controls voluntary movements of specific body parts associated with areas of the gyrus.
		They may include procedures such as the anterior capsulotomy (bilateral thermal lesions of the anterior limbs of the internal capsule) or the bilateral cingulotomy (bilateral thermal lesions of the anterior cingulate gyri) and might be used to treat otherwise untreatable obsessional disorders or clinical depression.
	en.wikipedia.org /wiki/Frontal_lobe (736 words)

	Journal of Cerebral Blood Flow & Metabolism - Rate Dependence of Regional Cerebral Activation During Performance of ... (Site not responding. Last check: 2007-10-21)
		The primary aim of the present study was to determine the relationship between the movement rate of a simple motor task and the activation of cerebral motor areas.
		Peak activated areas were located in the contralateral primary sensorimotor cortex, i.e., M1S1 (posterior part of the precentral gyrus), in the ipsilateral motor cortex (M1) (middle part of the precentral gyrus), bilaterally in the primary auditory cortex (A1) (transverse temporal gyri), bilaterally in the cerebellar hemispheres, SMA (paracentral lobulus), left thalamus, and right insular cortex.
		The entire activated area is located in the middle of the precentral gyrus, in the transition zone between the primary motor area and the premotor area, more rostral and lower compared to the contralateral M1S1.
	www.nature.com /jcbfm/journal/v16/n5/full/9590100a.html (4985 words)

	Chapter 7 - Functional MRI of Motor Function (Site not responding. Last check: 2007-10-21)
		Motor function is controlled by four major regions in the frontal lobes; the primary motor cortex, supplementary motor area (SMA), lateral premotor cortex and the cingulate motor area (shown in Figure 7.1).
		The primary motor cortex is responsible for the direct production of movements via it's outputs to the pyramidal tract, and damage to these areas resulting from stroke produces a weakness in the corresponding part of the body.
		Studies of the SMA using PET have shown that the it is involved in motor task sequencing and movement initiation [1], however it has more recently been suggested on the basis of animal studies that the SMA could be divided into two discrete areas; the pre-SMA and the SMA proper [2].
	www.fmrib.ox.ac.uk /~stuart/thesis/chapter_7/section7_1.html (404 words)

	[No title]
		Primary motor cortex SYMBOL 38 \f "Wingdings" By the middle of the last century, there was an increasing interest in the interactions between electricity and living tissues, and particularly in the kinds of responses that could be obtained by electrical stimulation of the central nervous system.
		The ascending input to the motor nuclei of the thalamus is not sensory, but comes partly from the basal ganglia and cerebellum and partly from the reticular formation; these regions also project to the more diffuse centromedial thalamic nuclei, which communicate more widely with both somatosensory and motor cortex, and other areas as well.
		A reverse mapping of pyramidal cells making monosynaptic connections with individual motor neurons in the monkey shows them in primary motor cortex to be distributed typically over an area of some 10mm in diameter; conversely, recordings from individual pyramidal cells during spontaneous directed movements in monkeys show that movements are encoded by populations of neurons.
	www.cudos.ac.uk /web/text/chap12.doc (10281 words)

	Cerebral and cerebellar sensorimotor plasticity following motor imagery-based mental practice of a sequential movement (Site not responding. Last check: 2007-10-21)
		A motor image is the mental representation of a previously executed movement [1], while motor imagery-based mental practice (MP) is a process whereby a motor image is evoked repeatedly to improve motor behavior [2,3].
		Motor images are likely embedded in a distributed functional network, including cerebral systems that affect motor performance by controlling states of arousal, focusing attention, or priming various neuromuscular systems for movement [5].
		One explanation for the potential effectiveness of MP for motor rehabilitation is that motor imagery and movement preparation similarly activate cerebral and cerebellar sensorimotor structures [1].
	www.vard.org /jour/04/41/4/Lacourse.html (3811 words)

	Muscle (Site not responding. Last check: 2007-10-21)
		In skeletal muscle, contraction is stimulated by electrical impulses transmitted by the nerves, the motor nerves and motoneurons in particular.
		Nerves that control muscles in mammals correspond with neuron groups along the primary motor area of the brain's cerebral cortex.
		Commands are routed to basal ganglia and to the cerebellum before being relayed to connections in the pons and medulla for transmission to synapses at the muscles.
	www.sciencedaily.com /encyclopedia/muscle (996 words)

	Reorganization of Remote Cortical Regions After Ischemic Brain Injury: A Potential Substrate for Stroke Recovery -- ...
		The motor performance index is the number of finger flexions per retrieval divided by the baseline (preinfarct) flexions per retrieval for each animal from the smallest well.
		All 5 animals had an increase in the area of the hand response representation in PMV that was proportional to the amount of M1 hand area lost.
		Castro-Alamancos MA and Borrel J. Functional recovery of forelimb response capacity after forelimb primary motor cortex damage in the rat is due to the reorganization of adjacent areas of cortex.
	jn.physiology.org /cgi/content/full/89/6/3205 (6316 words)

	Optimized Activation of the Primary Sensorimotor Cortex for Clinical Functional MR Imaging -- Papke et al. 21 (2): 395 ...
		tomography ( 24, 26, 27), the premotor area (PMA) and the supplementary
		Functional activity is focused on the primary sensorimotor cortex around the central sulcus near the motor knob ( arrowheads), reflecting the primary motor hand area ( 20).
		Primary motor and sensory cortex activation during motor performance and motor imagery: a functional magnetic resonance imaging study.
	www.ajnr.org /cgi/content/full/21/2/395 (4270 words)

	Functional recovery after surgical resection of low grade gliomas in eloquent brain: hypothesis of brain compensation ...
		The primary motor cortical sites (marked by numbers from 1–7) and their corresponding descending cortico-spinal pathways, both identified using electrical stimulations, represented the posterior functional boundaries of the resection.
		The primary motor cortical sites of the hand (marked by the tags 1 and 2) were preserved, and their corresponding descending cortico-spinal pathways were identified and followed all along the corona radiata (27, 26, 25), using electrical stimulations.
		Since these motor fibres of the superior limb represented the deep functional boundaries of the resection, it means that the entire primary sensorimotor area of the face (detected by stimulations within the tumour before its resection) was totally removed.
	jnnp.bmjjournals.com /cgi/content/full/74/7/901 (4859 words)

	DateLine- Stuttering- Researching the Cause
		Stutterer: Activation in the area responsible for controlling speech muscles (the primary motor area) was equal on both sides of the brain.
		Stutterer: The supplementary motor area (involved in motor-program release) was very overactive and switched sides during stuttered speech.
		This area of the brain triggers the release (the start) of motor programs, and is important for precise timing of speech and other complex movements.
	www.msnbc.com /onair/nbc/dateline/stutter/braintext.asp (646 words)

	Increased Synchronization of Cortical Oscillatory Activities between Human Supplementary Motor and Primary Sensorimotor ...
		In human, both primary and nonprimary motor areas are involved in the control of voluntary movements.
		For the frequency band of 8-12 Hz, coherence peak was present in the postcentral area, whereas for that of 20-23 Hz it was seen in the precentral area.
		Picard N, Strick PL (1996) Motor areas of the medial wall: a review of their location and functional activation.
	www.jneurosci.org /cgi/content/full/21/23/9377 (6477 words)

	Sensory and Motor Neuroscience: Supplementary motor area (Site not responding. Last check: 2007-10-21)
		(1) Tanji J (1994) The supplementary motor area in the cerebral cortex.
		SMA is more closely connected with the primary motor cortex and its neurons have somatosensoty responses, whereas the pre-SMA is more closely connected with the prefrontal cortex and its neurons have visual responses.
		Neurons in the primary motor cortex (first column) show comparable activity in relation to the production of sequential movements regardless of whether they are guided by visual cues (top) or memory (bottom).
	www.bcs.rochester.edu /~dlee/bcs245/sma.htm (174 words)

	Muscle Article, Muscle Information (Site not responding. Last check: 2007-10-21)
		In skeletalmuscle, contraction is stimulated by electrical impulses transmitted by the nerves, the motor nerves and motoneurons in particular.
		While additional cell formation is not the primary reason for short term strength gains, strenuousexercise does trigger the release of low levels of anabolic steroids.
		Commands are routed to basal ganglia and to the cerebellum before being relayed toconnections in the pons and medulla for transmission to synapses at the muscles.
	www.anoca.org /muscles/exercise/muscle.html (947 words)

	Topic3
		localization of the language comprehension area not arbitrary, that is close to the auditory area.
		Broca's area (involved in speech production) close to the primary motor area, particularly, area controlling vocal apparatus.
		Verbs, like functional objects, appear to be mapped on areas of motor control.
	www.columbia.edu /itc/psychology/rmk/T3 (2714 words)

	Motor Cortex (Site not responding. Last check: 2007-10-21)
		Primary motor cortex is located on the precentral gyrus
		Planning of movements involves the premotor association cortex and the supplemental motor area which influence the primary motor cortex
		The BRAIN is the organ that moves our musclesaccording to Carlson, making our bodies move is the #1 function of the brain!
	wise.fau.edu /~jtaft/Brains/Ch8/tsld002.htm (50 words)

Try your search on: Qwika (all wikis)