Answered: What was significant about Raisman and…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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What was significant about Raisman and Field (1972) rat study on brain synapses?

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The hypothesis of Raisman and Field was based on the sex differences in the brain as behavior and structure of brain depends upon the organizational effects of the gonadal hormones based upon the sex differences.

In 1971, Raisman and field proposed a hypothesis that "more synapses of non-strial origin on dendritic shafts are seen more with the male rats along with the fewer on dendritic spines on neurons in the preoptic area (POA) than the female rats".

This difference between the males and the females could be treated by treating the females through the dimorphism in the neuropil of the preoptic area of the rat and their neonatal androgen.

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