motor cortex


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Related to motor cortex: sensory cortex, supplementary motor cortex

motor cortex

[′mōd·ər ′kȯr‚teks]
(anatomy)
References in periodicals archive ?
Indeed, no other previous studies have carried out a specific cell count for GFAP-marked cells along the primary motor cortex Discrepan cy was observed regarding the direction of the changes between sex groups.
Outcome of this disinhibition is facilitation of the motor cortex. SMA receives strong indirect projections from the basal ganglia via the thalamus (31).
These allow the BCI system to more quickly learn what the neural signals recorded by implants in the motor cortex of the brain are communicating about the users' intention to move their arms and hands.
In recent neurophysiological studies aiming at deciphering the neural coding mechanisms in the motor cortex, Churchland and colleagues put forward a dynamical system hypothesis (DSH) to interpret the neural activities in the primary motor cortex (M1) during movement generation [5,6].
However, the most accredited theories addressing pain relief by MCS (for a review see [21]) attribute its efficacy to the neural modulation, given by the flow of current density in the motor cortex [22].
Indeed, through afferent inputs, SS activates the somatosensory cortex (S1), which can mediate the primary motor cortex (M1) activity leading to increased CSE [13, 29].
Dopamine is an important neurotransmitter in motor skill learning and motor cortex plasticity Variations in the five genes affecting the dopaminergic system (catechol O-methyltransferase [COMT]) that controls synaptic dopamine levels and those that encode the dopamine transfer protein and the D1, D2, and D3 dopamine receptors] have been reported to change motor learning (23).
In another experiment, the participants were given the same instructions; however, the researchers also applied electrical currents to the people's scalps, which were meant to stimulate the motor cortex, the part of the brain that controls yawning.
A team in Cleveland, Ohio, placed sensors in the motor cortex of Bill Kochevar's brain and used them to find out what signals it sent when he imagined moving his arm and hand.
A single magnetic pulse applied to the primary motor cortex at adequate stimulator intensity elicits a motor evoked potential in contralateral target muscles, thus providing a functional assessment of the corticospinal conduction [46].
Using the international 10-20 electrode placement system, EEG recorded from both right and left motor cortex areas (C3, FC3, C4, and FC4) from the scalp using a 64-channel NeuroSoft SYNAMPS system (NeuroScan Labs, El Paso, TX).
These targets include the pedunculopontine nucleus (PPN), the caudal zona incerta (ZI), the substantia nigra (SN) pars reticulate (SNr) (Figure 1), the motor cortex, and other less explored targets.