premotor area

It lies in front of the motor and premotor areas.

Some researchers, especially those who study the ventral premotor areas, use a different terminology.

He suggested that there was no functional distinction between a primary motor and a premotor area.

Both conditions showed activation in the dorsal and parietal premotor areas.

Like the primary motor cortex, corticospinal tracts begin in the premotor area.

The lesions most associated with ideomotor apraxia are to the left parietal and premotor areas.

The dentate nucleus sends commands and information to the motor and premotor areas in the forebrain.

Additionally, speech production in people who stutter yields underactivity in cortical motor and premotor areas.

This hypothesis is supported by some cytoarchitectonic homologies between monkey premotor area F5 and human Broca's area.

Ideomotor apraxia is typically due to a decrease in blood flow to the left hemisphere of the brain and particularly the parietal and premotor areas.

In 1935, however, Jacobsen used the term prefrontal to distinguish granular prefrontal areas from agranular motor and premotor areas.

The posterior insula is characterized by connections with auditory, somatosensory, and premotor areas, and is not related to the olfactory or gustatory modalities.

The dystonic guitarists showed significantly more activation of the contralateral primary sensorimotor cortex as well as a bilateral underactivation of premotor areas.

This is the area of the frontal lobe that lies before the motor and premotor areas and is therefore called the prefrontal lobe (see illustration, p. 172).

The prefrontal cortex (PFC) is the anterior part of the frontal lobes of the brain, lying in front of the motor and premotor areas.

Previous neuroimaging studies have consistently reported activity in the SMA and premotor areas, as well as in auditory cortices, when non-musicians imagine hearing musical excerpts.

Mossy and climbing fibers carry sensorimotor information into the deep nuclei, which in turn pass it on to various premotor areas, thus regulating the gain and timing of motor actions.

It is suggested that while the premotor area engages in the mental operation, the precuneus aids monitoring the success of that operation in terms of internally represented visual images.

A recent study indicated that CBD produces a high density of astrocytic plaques in the anterior portion of the frontal lobe and in the premotor area of the cerebral cortex.

Other Non-specific thalamocortical projections, those that originate in the dorsal-medial nuclei of the thalamus, terminate in the prefrontal cortex and have subsequent projections to associative premotor areas via collateral connections.

The motor domain in the dorsal portion of the dentate contains output channels that control both generation and control of movement, as well as neurons that innervate premotor areas in the frontal lobe.

This information is shunted into the premotor area (lying just before the motor area in the frontal lobe), which co-ordinates the muscular activity necessary to produce the desired response, this activity being 6nally brought about by the motor area.

The BPO pantomimes activated areas bilaterally in the supplementary motor areas, cingulate gyrus, premotor areas, SMG and the left inferior and middle frontal gyri, and the left medial temporal gyri.

The IO pantomime activity was largely lateralized in the left hemisphere, namely in the bilateral supplementary motor areas, cingulate gyrus, left premotor areas, left superior parietal lobule, and the left middle and inferior frontal gyri.

Specifically, positive correlations were discovered between musician status (professional, amateur and non-musician) and gray matter volume in the primary motor and somatosensory areas, premotor areas, anterior superior parietal areas and in the inferior temporal gyrus bilaterally.