What do the diffuse modulatory systems of the brain regulate?
The levels of arousal and mood, its cell groups have highly divergent axonal projections, prolonging their actions by using metabotopic postsynaptic receptors
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What are the three functional zones of the hypothalamus?
Lateral, Medial, Periventricular
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What does the suprachiasmatic nucleus do?
It receives direct retinal innervation and function to synchronize circadian rhythms with the daily light-dark cycle.
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What are the neurohormones called?
Oxytocin and Vasopressin
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What does oxytocin do?
Released during final stages of labour causing uterus to contract and stimulates ejection of milk from mammary glands.
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What does vasopressin do?
Regulates the blood volume and salt concentration.
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What does the adrenal cortex do?
It produces cortisol, suppressing the immune system, stress is a good stimulus for cortisol release.
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What is the locus coeruleus involved in?
The regulation of attention, arousal, sleep-wake cycles, learning, anxiety, pain, mood, brain metabolism
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Where are the raphe nuclei found?
Either side of the midbrain, depending on where they innervate determines their function.
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If the raphe nuclei innervates the spinal cord what does it do?
It modulates pain related sensory signals.
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Other cards in this set
Card 2
Front
What do the diffuse modulatory systems of the brain regulate?
Back
The levels of arousal and mood, its cell groups have highly divergent axonal projections, prolonging their actions by using metabotopic postsynaptic receptors
Card 3
Front
What are the three functional zones of the hypothalamus?
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