Adrenaline increases IQ, fluency of speech, connections to others, executive function.

Total Support

• A study that explores the relationships between cerebral blood flow and IQ gauged by ASL (Arterial Spin Labeling) in adolescents and children indicates the following:
  • A significant positive correlation, after adjusting for regional gray matter density, between IQ scores and cerebral blood flow in:
    • The anterior/subgenual cingulate cortex
    • The superior temporal region
    • The left insula region
    • The right orbitofrontal region
  • Substantial support for the Parieto-Frontal Integration Theory of intelligence.
  • The unique value of cerebral blood flow in evaluating brain-behavior relationships.
  • The ability of cerebral blood flow to delineate regions where IQ modulates cerebral blood flow.
    • Additionally, after adjusting for the impact of regional cortical volume, cerebral blood flow in the ACC/subgenual area shows the highest correlation with IQ.

Contributors

Ayesh Perera