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Unformatted text preview: d. Coordinating movements for copulation e. Both C and D 6. Osmosensory Neurons respond to increased fluid tonicity by a. Initiating sodium specific hunger b. Swelling c. Shrinking d. Releasing vasopressin Short Answer 7. Compare and contrast the scotopic and photopic visual system SC: rods, Dim Light, B/W, movement ph: cones, fovea, Color, detail Essay As discussed so Far: What does the POA do? Or more specifically what functions (sex,thirst, etc depend on the poa)? What does it do in them? Thirst sex and BT Male sex: integrates cues and coordinates male copulatory behavior Thirst:Osmosensory neurons, responsive to ANG2, induces thirst and drinking BT: POA contains thermosensitive neurons, part of the thermostat,lesions block physiological mechanisms for regulating BT BONUS: Lesions of the VMH have what affect on feeding behavior? Increased eating Lesions of the lateral hypothalamus block what type of BT regulation? Behavioral mechanisms...
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- Spring '10
- Psychology, Photoreceptor cell, physiological mechanisms, behavioral mechanisms