Related Experiment Video
Updated: Aug 5, 2026

08:29
Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans
Published on: December 18, 2016
A proposed relationship between circumcision and neural reorganization
1Department of Psychiatry, Case Western Reserve University, USA.
The Journal of Genetic Psychology
|September 8, 1998
Summary
Male circumcision may reorganize the somatosensory cortex, potentially increasing tractability and sexual restraint. This cultural practice
Area of Science:
- Biocultural studies
- Neuroscience
- Anthropology
Background:
- Humans are biocultural beings with complex interactions between symbolic, cultural, and physical aspects.
- Cultural practices can have subtle yet significant impacts on human behavior and physiology.
Purpose of the Study:
- To explore the hypothesis that male circumcision reorganizes the sensory somatosensory cortex.
- To investigate the potential effects of this reorganization on sexual excitability and social behavior.
Main Methods:
- This article proposes a hypothesis regarding the neurobiological and behavioral effects of circumcision.
- It suggests empirical methods for testing the proposed hypothesis.
Main Results:
- Hypothesizes that circumcision raises the threshold for sexual excitability/distraction by reorganizing the male somatosensory cortex.
- Suggests this shift may lead to increased tractability in group activities and enhanced sexual restraint within pair bonds.
Conclusions:
- Male circumcision, as a deeply embedded cultural ritual, may serve to modulate male sexual excitability and social behavior.
- The practice's integration into ritual life may explain its acceptance and application across young males in a social group.
Related Concept Videos
Neurulation
Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the anterior...
Neuroplasticity
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.

