Related Experiment Video
Updated: May 17, 2026
05:36
Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
Published on: November 16, 2017
Left and right brain-oriented hemisity subjects show opposite behavioral preferences
1Department of Biochemistry and Biophysics, John A. Burns School of Medicine (JABSOM), University of Hawaii Honolulu, HI, USA.
Frontiers in Physiology
|November 7, 2012
Summary
New research quantifies "Hemisity," a binary brain laterality, linking it to brain structure. Individuals show distinct behavioral preferences based on their right or left brain orientation, as defined by the ventral gyrus of the anterior cingulate cortex (vgACC).
Area of Science:
- Neuroscience
- Behavioral Science
- Psychology
Background:
- Quantitative measures of
Purpose of the Study:
- To investigate behavioral differences associated with Hemisity.
- To correlate brain structure with behavioral preferences.
Main Methods:
- Assessed behavior of 150 subjects using five MRI-calibrated preference questionnaires.
- Determined individual Hemisity based on the thicker side of the ventral gyrus of the anterior cingulate cortex (vgACC) via MRI.
Main Results:
- Right and left brain-oriented subjects (Hemisity) showed opposite preferences for 47% of forced-choice items.
- 30 significant subtype preference differences were identified across logical orientation, consciousness, fear, social-professional orientation, and pair bonding styles.
Conclusions:
- Hemisity subtype subjects, defined by vgACC thickness, exhibited 30 significant differences in behavioral preferences.
- Anatomical laterality of the vgACC is a reliable indicator of distinct behavioral styles.
More Related Videos
Related Concept Videos
01:28Lateralization
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
01:05Cerebral Hemispheres
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
01:26Causes of Similarity-Dissimilarity Effect
The similarity-dissimilarity effect, a fundamental concept in social psychology, explains how interpersonal similarities and differences influence attraction and social interactions. This effect is supported by three key psychological perspectives: balance theory, social comparison theory, and consensual validation.Balance Theory and Cognitive ConsistencyBalance theory, developed by Fritz Heider, posits that individuals seek cognitive consistency in their relationships. When two people share...