101. Prosociality Versus Selfishness: A New Perspective on Brain Lateralization and Communication.
- Author
-
Buck, Ross
- Subjects
CONFERENCES & conventions ,COMMUNICATION & psychology ,PROSOCIAL behavior ,SELFISHNESS ,AMYGDALOID body ,CEREBRAL dominance ,PSYCHOLOGY - Abstract
A selfish-prosocial distinction allows a new approach to the question of right-hemisphere (RH) and left-hemisphere (LH) responding in communication. The LH is associated with language in most persons, while the RH plays a special role in emotion. Some support a right-hemisphere hypothesis, that the RH is associated with the expression and communication of all emotions. Others favor instead the valence hypothesis, that the LH is associated with "positive" and the RH with "negative" emotions. We suggest that the "positive-negative" distinction be replaced by a "prosocial-selfish" distinction, so that the LH is prosocial and the RH is selfish. A study of fMRI response to dynamic and spontaneous expressions of persons to photographs of familiar persons versus unpleasant scenes showed that, as expected, the left amygdala region was activated to the depiction of the prosocial expression and the right amygdala was activated to the depiction of the negative expression. ..PAT.-Unpublished Manuscript [ABSTRACT FROM AUTHOR]
- Published
- 2007