Social Network

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Social Network

Main Text

IMAGING ANATOMY

Overview

• Distributed set of brain regions are thought to participate in social cognition, each contributing functionality to specific social interactions

Anatomy Relationships

• Mirror neuron system: Set of neurons in premotor cortex, supplementary motor area, inferior parietal lobe, and primary somatosensory cortex that are active both when individual performs action and when individual perceives others performing similar action
• Theory of mind: Inferring mental states of others likely involves default mode network regions and posterior superior temporal sulcus
• DMN: High overlap between proposed social brain regions and DMN regions processing semantic knowledge and internally directed cognition
• Social brain modules: Subnetworks responsible for discrete social functions, such as facial processing, language, perception of biological motion, and anticipation of others’ behavior

Posterior Superior Temporal Sulcus

• Core hub of social cognition, likely involving Wernicke area on left (receptive language) and activated across wide range of social tasks

Medial Prefrontal

• Judgment, valuation, and internal stimulus processing

Posterior Cingulate/Precuneus

• Processing of internal stimuli and narrative

Temporoparietal Junction

• Participates in inferring goals, intentions, and desires of others

Anterior Insula

• Involved in control of attention, interoception, empathy, perception of disgust, olfaction, and other functions related to social interaction

Anterior (Mid) Cingulate

• Participates in cognition of salient stimuli, empathy, and response inhibition

Amygdala

• Recruited during emotionally poignant social interactions

Fusiform Gyrus

• Fusiform face area processes facial recognition

Anterior Temporal Pole

• Complex polymodal association cortex involved in language, imagery, and semantic functions

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Tags: Imaging Anatomy Brain and Spine

Mar 13, 2021 | Posted by admin in NUCLEAR MEDICINE | Comments Off

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