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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...
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Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
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Intentionality in frontal asymmetry research.

Johannes Hewig1

  • 1Institute of Psychology at the University of Würzburg, Würzburg, Germany.

Psychophysiology
|March 24, 2017
PubMed
Summary

This study explores frontal asymmetry research, proposing that intentionality and the strength of intentions are key to understanding approach-avoidance behaviors and certain depression subtypes.

Area of Science:

  • Neuroscience
  • Psychology
  • Cognitive Science

Background:

  • Frontal asymmetry research often links to approach-avoidance behaviors.
  • Behavioral Inhibition System (BIS) and Behavioral Activation System (BAS) models are relevant.
  • Existing research may overlook the role of intentionality in action phases.

Purpose of the Study:

  • To propose intentionality as a crucial factor in understanding frontal asymmetry.
  • To introduce the concept of 'strength of intention' as an affective-motivational component.
  • To explore the potential of 'intentional strength' in explaining depression subtypes.

Main Methods:

  • Theoretical review of existing literature on frontal asymmetry.
  • Analysis of the approach-avoidance perspective and BIS-BAS models.
Keywords:
BIS/BASaffectdepressionemotionfrontal asymmetrymotivationvalencevolition

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  • Conceptual integration of intentionality within action phases.

    • Main Results:

    • Intentionality is proposed as a valuable construct for frontal asymmetry research.
    • The 'strength of intention' is identified as a key affective-motivational component.
    • A deficit in intentional strength may explain certain depression subtypes.

    Conclusions:

    • Understanding frontal asymmetry requires considering the volitional phase of action and intentions.
    • The concept of 'strength of intention' offers a novel perspective on affective-motivational processes.
    • Further research into intentional strength could illuminate the neurobiological underpinnings of depression.