Sex Differences in Behavior: Sex Determination and Differentiation - Neural bases of Mamalian Sex Differences

3 important questions on Sex Differences in Behavior: Sex Determination and Differentiation - Neural bases of Mamalian Sex Differences

Why has the POA received special attention?

The preoptic area has a prominent role in the mediation of male mating behaviour. In rats the POA can be 5 to 7 times the size of the POA in females, this region of the POA is called the SDN-POA (sexually dimorphic nucleus)

What happens when the SDN-POA is lesioned?

Nothing. 

What are the two main sex differences in the brain?

the connectivity pattern of dendrites (MPOA) and the size of the SDN. 

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