![]() ![]() Slow wave sleep sleep 3 and sleep 4 are characterized by delta activity and is also called this sleep 1 theta activity = 4-7 Hz lower frequency than before, although still quite irregular, but significantly more synchronized sleep 3 delta activity (fetishes) androstenedione the MPOA in females responds to this hormone, stimulating the release of GnRH, which stimulates the ovaries and adrenals (short-term positive feedback) VMH unlike in males, this area and the MPOA release Dopamine to the Nucleus Accumbens for reinforcement prolactin/oxytocin this hormone in pregnant females Stimulates milk production, whereas this hormone causes the release of milk in lactating females VMH this part of the brain connects to the Tegmentum (especially the Periaqueductal Gray Area, which produces Endorphins to suppress pain), which connects to the Basal Ganglia, which connects to the SBN for rhythmic contractions progesterone the VMH also Responds to Estradiol, in part by increasing its sensitivity to this hormone James-Lange Theory (1880s) the theory that emotion is the Label we give After-The-Fact to autonomic arousal and associated behavior i.e.
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