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sensory disorders
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synthesia
blending of the senses
seeing sounds or hearing colors
visual field neglect
caused by damage to one side of the primary visual cortex
the brain can't process and replicate the part of an image
agnosia
loss of knowledge
visual agnosia
difficulty recognizing objects
prosopagnosia
difficulty recognizing faces
broca's aphasia
damage to broca's area
can comprehend speech but speech production is impaired
wenicke's aphasia
aka word deafness
impairs speech comprehension while speech production is vague or meaningless
conduction aphasia
inability to repeat spoken words
anosmia
loss of smell
total anosmia
very rare but results in an absolute loss of smell
ageusia
lost sense of taste
total ageusia
complete loss of taste
very rare
hypogeusia
decreased perception of taste
dysgeusia
distorted sense of taste
congenital absence of pain
normal skin sensations but cannot perceive pain
very rare genetic defect
dangerous in that you can't sense danger
parkinson's disease
progressive loss of substantia nigra
resting tremors, hard time executing and starting intentional movement (akinesia).
huntington's disease
progressive loss of dopamine neurons in the caudate/putamen
jerky random movement
myasthenia gravis
autoimmune disorder
immune systems sees ACh receptors as foreign and eliminates them
rapidly fatigued face muscles
multiple sclerosis
autoimmune disorder
immune system attacks oligodendricytes and schwann cells to eliminate myelin production
nerve signals happen slower
visual disruption and muscle weakness
myopia
nearsightedness
hyperopia
farsightedness
monochromacy
total colorblindness
lack of all cones
protanopia
lack of red cones
deuternopia
lack of green cones
Author
starvinmarvin623
ID
71759
Card Set
sensory disorders
Description
sensory disorders for physiological psychology exam 2
Updated
2011-03-10T01:45:54Z
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