amygdala


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Related to amygdala: thalamus
  • noun

Synonyms for amygdala

an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum

References in periodicals archive ?
As for why the burned-out participants had trouble regulating their emotions, the brain scans revealed that they had weaker connections between the amygdala and the medial prefrontal cortex, a brain area associated with executive function.
Patient 3 (third row, left panel) shows increase in occurrence of maximum inflows beginning at 5Hz at the focus (left amygdala LA) that continually increases in prevalence as frequency increases beyond 5Hz.
The scientists then used optogenetics, a technique for controlling neurons with light, to switch off the PVT neurons linked to the amygdala.
Published in Nature, the study saw neurons extending from the PVT to the central amygdala.
The MRI scans showed that the right amygdala was on average 80% larger in the donors than in the control group.
Jonathan Freeman, from New York University's Department of Psychology, said that the findings provide evidence that the amygdala's processing of social cues in the absence of awareness may be more extensive than previously understood and the amygdala is able to assess how trustworthy another person's face appears without it being consciously perceived.
SOCIAL amygdala has a good business plan built on manufacturing and selling a unique product, realistic financial plan and supporting partner organizations.
Based on a multiple-regression analysis across the full sample, responses in the right amygdala were positively associated with externalizing behaviors (x = 24, y = 0, z = -14; k = 8) and negatively associated with CU traits (x = 26, y = 0, z = -12; k = 1).
We found that single brain cells in the amygdala of people with autism respond differently to faces in a way that explains many prior behavioral observations," says Adolphs, professor of psychology, neuroscience, and biology.
Comparing the activities of the amygdala in sexual-arousal and in other activities sheds light on its role in sexual-arousal.
Furthermore, the amygdala is also involved in orientating to backward-masked fearful faces.
Massachusetts General Hospital researchers found that, in a study of 58 people, the most sociable patients with the most friends had the biggest amygdala.
The study of two women with brain lesions that made them unafraid to lose on a gamble showed the amygdala, the brain s fear center, activates at the very thought of losing money.
The early perceptual processing of faces rely on occipital and temporal cortices that help in constructing a detailed representation from the available configuration of facial features while the subsequent facial expression recognition depends upon structures like amygdala and orbitofrontal cortex that in turn link the perceptual representation of faces, built in the first phase, to the knowledge about emotions (Adolphs, 2002).
The amygdala is the subortical gray matter found rostral to the hippocampus in the medial temporal lobe of the brain.