Transient contribution of left posterior parietal cortex to cognitive restructuring
Chihiro Sutoh1, Daisuke Matsuzawa1, Yoshiyuki Hirano2
11] Department of Cognitive Behavioral Physiology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba 260-8670, Japan [2] Research Center for Child Mental Development, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba 260-8670, Japan [3] Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan.
Cognitive restructuring, a therapy technique, reduced handwashing beliefs. Brain scans revealed left posterior parietal cortex activity correlated with belief changes during Socratic questioning.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Psychotherapy Research
Background:
- Cognitive restructuring is key in cognitive behavioural therapy (CBT) for managing anxiety.
- Understanding the neural basis of cognitive restructuring is crucial for therapeutic advancements.
Purpose of the Study:
- To investigate the neural mechanisms underlying cognitive restructuring.
- To examine how Socratic questioning influences dysfunctional beliefs in a controlled setting.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used to monitor brain activity in healthy male participants.
- A novel task simulated psychotherapy, employing Socratic questioning to address beliefs about handwashing necessity.
Main Results:
- Socratic questioning significantly decreased participants' degree of belief (DOB) in the necessity of handwashing.
- Increased activity in the left posterior parietal cortex (PPC) positively correlated with changes in DOB during self-reflection.
Conclusions:
- The left PPC plays a significant role in cognitive restructuring, potentially due to its involvement in planning, decision-making, and conceptualization.
- This study provides neural insights into how cognitive restructuring alters maladaptive beliefs, offering a foundation for targeted therapeutic interventions.
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