anatomy of emotions
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Anatomy of Emotions
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Hypothalamic CircuitHormones regulate various
motivated behaviorHypothalamus controls the
pituitaryProduces posterior pituitary
hormonesSecretes releasing
hormones which stimulate the anterior pituitary
Regulated by feedback and response to other stimuli
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Pituitary Hormones
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Feedback Regulation
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Milk Letdown Response
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Limbic System
Cingulate Gyrus
Olfactory Bulb
Thalamus
Hypothalamus
Fornix
Mammilary BodyHippocampus
Amygdala
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Limbic CircuitJames Papez – rabies
damaged the hippocampus emotional disturbances
Input from the prefrontal cortex, sensory cortex, and hypothalamus passes through the limbic circuit
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Amygdala & HippocampusAmygdala receives input from sensory systemsSends info to the hypothalamus
Influences emotional response and behaviorStimulates eating
Hippocampus plays a role in spatial awareness, emotion, and memory
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Frontal LobePrefrontal cortex and
amygdala receive input from each other
Prefrontal cortex sends signals to the hypothalamus activates autonomic NS
Agenesis – absence or severe reduction of the frontal lobe