Sentences with phrase «supplementary motor area»

Activations were mainly left - sided and involved the left supplementary motor area and supramarginal and posterior superior temporal gyri, the last two overlapping with the temporal parietal junction that has been associated with out - of - body experiences.

Supplementary motor area stimulation for Parkinson disease: A randomized controlled study.

On the structural side, individuals who are perceived as having an online game addiction show significant gray matter atrophy in various areas of the brain (right orbitofrontal cortex, bilateral insula, and right supplementary motor area) once examined on brain MRI studies.

In autism, neural activity was reduced in the left supplementary motor area and left auditory cortex (whole brain interaction p < 0.02, uncorrected; Heschl's gyrus, p = 0.02 FWE corrected; 54, -19, 7 MNI coordinates), and enhanced in bilateral visual cortex (whole brain p < 0.01 uncorrected, 3, - 91, -8 MNI coordinates).

The affected regions included the dorsolateral prefrontal cortex, rostral anterior cingulate cortex, supplementary motor area and parts of the cerebellum.

«High treatment effectivity is associated with strong connections between the DBS electrode and specific frontal areas of the brain, such as the «supplementary motor area»,» says Dr. Horn.

When he asked her to think about playing tennis, the fMRI scan showed activity in the supplementary motor area, just as in the brains of healthy volunteers.

Suppressing activity in the supplementary motor area caused no significant change in participants» ability to follow a beat.

Those areas — the posterior parietal cortex and the supplementary motor area, which controls movement — were then unable to function properly for about an hour.

The researchers observed overactivity in the supplementary motor areas of the participants and deficits in the appropriate selection and preparation of their movements.

The Nottingham experts however believe that this new control may come as a result of a higher amount of GABA, which is being released in the brain during adolescents, and which inhibits the motor regions such as the Supplementary Motor Area.

In effect, CBT helps to normalize activity observed in the supplementary motor area, among other things, through relaxation and muscle discrimination exercises focusing on the muscles associated with tics.

«There is still no definitive explanation of the causes of this syndrome, but we know that tics are related to an impaired communication between the supplementary motor area — a region of the cerebral cortex — and deeper areas called the basal ganglia,» said Simon Morand - Beaulieu, a student at the Institut universitaire en santé mentale de Montréal and the University of Montreal's Department of Neuroscience.

Before beginning CBT, the participants in the study affected with TS completed an experimental task typically designed to elicit brain activity in the supplementary motor area.

Future research will expand to include other cortical areas associated with motor skill learning, such as the prefrontal cortex and supplementary motor areas, according to Mr. Nemani.

According to the fMRI scans, it was a related area — the left dorsolateral prefrontal cortex, which has similar functions — along with another region called the supplementary motor area, that showed more activation after treatment.

In 1998 he and three colleagues discovered that a female patient burst into laughter every time they stimulated a spot at the top of her brain called the supplementary motor area.

Johansen - Berg and Behrens have, for example, used the combination to confirm the boundaries between the supplementary motor area, which is involved in movement, and the presupplementary motor area, which underpins higher - level cognitive tasks.

According to the fMRI data, plans and intentions for movement coincide with activity in the supplementary motor area, a region of the brain near the top of the head.

In a normal brain, imagining tennis activates the supplementary motor area of the cortex, and picturing one's home prompts activity in regions involved in spatial perception, such as the posterior parietal cortex.

All contrasts were limited to the brain locations within the supplementary motor area and the parahippocampal gyrus, as defined in the Harvard — Oxford Cortical Structural Atlas (available in FSL software), and a threshold was established, with gaussian random - fields theory, at a cluster - level z value of more than 2.3 (corrected P < 0.05).

Conversely, the imagery period as compared with the rest period for questions 2 and 3 was associated with extensive activation of the parahippocampal gyrus and, to a lesser extent, the supplementary motor area; these findings closely matched the activation seen in the spatial localizer scan.

In this subject, the activation associated with the imagery period as compared with the rest period for question 1 resulted in extensive activation in the supplementary motor area and minimal activity in the parahippocampal gyrus (Figure 4).

In Panels A and B, the observed activity pattern (orange) was very similar to that observed in the motor - imagery localizer scan (i.e., activity in the supplementary motor area alone), indicating a «yes» response.

The top sets of scans obtained from the patient (Panel A) and the control subject (Panel B) show activation (yellow and orange) resulting from the motor imagery task (cued with the word «tennis») as compared with rest periods (cued with the word «relax»), as well as the time course of the peak voxel in the supplementary motor area.

In a randomized, double - blind, sham - controlled, multi-center study with a parallel design, Shirota et al (2013) examined the effectiveness and stimulation frequency dependence of rTMS over the supplementary motor area (SMA) in PD.

This difference could explain the supposed activity of the supplementary motor area when comparing sequences with one level of embedding against two — which most likely reflects motor preparation for the ensuing button response after the stimuli.