Social Cognition - Social Cognitive Neuroscience

Social Cognitive Neuroscience

Early interest in the relationship between brain function and social cognition includes the case of Phineas Gage, whose behaviour was reported to have changed after an accident damaged one or both of his frontal lobes. More recent neuropsychological studies have shown that brain injuries disrupt social cognitive processes. For example, damage to the frontal lobes can affect emotional responses to social stimuli, performance on Theory of Mind tasks. In the temporal lobe, damage to the fusiform gyrus can lead to the inability to recognize faces.

People with psychological disorders such as autism, psychosis, Williams syndrome, antisocial personality disorder, Fragile X and Turner's syndrome show differences in social behavior compared to their unaffected peers. Parents with posttraumatic stress disorder (PTSD) show disturbances in at least one aspect of social cognition: namely, joint attention with their young children only after a laboratory-induced relational stressor as compared to healthy parents without PTSD. However, whether social cognition is underpinned by domain-specific neural mechanisms is still an open issue. There is now an expanding research field examining how such conditions may bias cognitive processes involved in social interaction, or conversely, how such biases may lead to the symptoms associated with the condition.

The development of social cognitive processes in infants and children has also been researched extensively (see developmental psychology). For example, it has been suggested that some aspects of psychological processes that promote social behavior (such as face recognition) may be innate. Consistent with this, very young babies recognize and selectively respond to social stimuli such as the voice, face and scent of their mother.

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