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42 Cards in this Set
- Front
- Back
cortical =
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conscious
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subcortical =
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subconscious
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cortical structures
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PREFRONTAL CORTEX
temporal cortex parietal cortex cingulate gyrus |
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what structures make up the association cortex
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prefrontal cortex
temporal cortex parietal cortex |
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subcortical structures
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anterior thalamus
HIPPOCAMPUS amygdala mammilLary bodies HYPOTHALAMUS RETICULAR FORMATION |
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function of association cortex
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allows us to put different sensory inputs together and know that they are coming from the same place
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which structure is involved with emotions
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prefrontal cortex
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which structure is important for learning and memory
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hippocampus
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what are the tracts of the limbic system
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- fornix
- mamillothalamic |
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source of serotonin in the brain
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raphe nucleus
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examples of emotions altering endocrine and hypothalamic functions
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- fear of pregnancy delaying menses
- fear of impotence can produce impotence - depression altering feeding behaviors |
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examples of the hypothalamus and endocrine system altering emotions
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- PMS
- menopause - hypothyroid depression |
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examples of emotions altering consciousness
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- worrying causing sleep loss
- depression causing somnilence - worrying decreasing ability to focus |
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many forms of depression are due to a drop in _____________________
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5-HT (serotonin) from raphe
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damage to structures such as the hippocampus can lead to _____________________
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amnesia
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anterograde amnesia
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can't remember anything from this point forward
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retrograde amnesia
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can't remember anything before a certain point but can remember events after that point
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alcohol abuse is associated with what form of amnesia
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anterograde
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syndrome associated with alcohol abuse and anterograde amnesia
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korokoff's syndrome
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what 2 hormones are produced by the hypothalamus? they are transported to and released by __________________
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1- vasopressin (ADH)
2- oxytocin transported to and released by the posterior pituitary gland |
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where is vasopressin produced
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cells in the supra optic nucleus
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where is oxytocin produced
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cells in the paraventricular nucleus
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ADH inserts ______________ into collecting ducts and distal tubules
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aquaporins
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where do the axons of the supra optic nucleus travel
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through the infundibulum into the posterior pituitary
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where do the axons of the paraventricular nucleus travel
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project through the infundibulum into the posterior pituitary
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describe how ADH and oxytocin can be considered neurotransmitters and hormones
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NT's: they are exocytosed by neurons in the hypothalamus upon firing
Hormones: they are released into the blood |
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other than vasopressin and oxytocin, the hypothalamus produces ___________________. what is their function?
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releasing factors and inhibiting factors. they regulate the secretion of anterior pituitary hormones
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TRH
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thyrotrophin releasing hormone - regulate release of TSH, prolactin - body functions: BMR, milk
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CRH
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corticotropin RH - regulates release of ACTH, beta-lipotropin - body functions: ability to deal with stress/injury
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GnRH
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gonadotropic RH - regulates release of LH, FSH - body functions: reproduction, maturation
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GHRH
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growth hormone releasing hormone - regulates release of HGH - body functions: maturation, metabolism
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PRH
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prolactin RH - regulates release of prolactin - body function: milk production
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MSHRH
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melanocyte stimulating hormone RH - regulates release of MSH, beta-endorphin
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PIH
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prolactin inhibiting hormone - inhibits release of prolactin
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GHIH
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growth hormone inhibiting hormone - inhibits release of HGH
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MIH
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melanocyte inhibiting hormone - inhibits release of MSH
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tertiary syphilis associated with
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frontal lobe dysfunction
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tertiary syphilis causes
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degeneration of the frontal lobe and prefrontal cortex
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describe the effects of tertiary syphilis
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- laugh at the wrong moment
- vulgar and clownish behavior |
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kluver-bucy syndrome is associated with
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temporal lobe dysfunction
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describe kluver-bucy syndrome
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- fixation on stimulus
- hyper oral - investigate something by putting it in mouth |
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major features of schizophrenia
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- catatonia
- paranoia |