Neuro: lecture 1 Flashcards
(47 cards)
capgras delusion
-recurrent belief that a person has been replaced by an imposer
-lesion in R hemisphere
stiffperson syndrome
-diffuse stiffness w/o weakness or numbness
-autoimmune syndrome
prosopagnosia
-inability to recognize faces of familiar people
-usually R hemisphere lesion
level of consciousness
most alert –> least (4)
alert, lethargy, stupor, coma
awake and interactive
alert
appears asleep, but may be aroused with stimulation to interact with environment
lethary
what is stupor?
arouses briefly to vigorious stimuli, but not to point of being interactive
what is coma?
unresponsive to external stimuli
what is an indicator that the issues ir more psychiatric than cognitive
person does not know who they are
dysarthria
slurred speech
- motor disorder affecting muscles of articulation
aphasia
impairment of language production or comprehension
-broca’s and wernicke’s area
What are the components of language?
spontaneous speech, naming, comprehension, repetition, reading, writing
role of angular gyrus?
links written word with language
where is Broca’s area?
left inferior frontal
*lang production
where is Wernicke’s area?
superior temporal gyrus
*comprehension
dysguesia
altered taste
what muscles are innervated by oculomotor n?
SR, IR, MR, IO,
what muscles are innervated by trochlear n?
SO
what muscles are innervated by abducens n?
LR
What does swinging flashlight test mean if theres no constriction?
problem with ipsi optic nerve
what if when doing the swinging flashlight test theres no constriction in the opposite pupil?
problem with opposite optic nerve, ipsilateral parasympathetics of CN3, or pupillary constrictor muscle
This is wrong
what two cranial nerves are responsible for corneal reflex?
CN V and VII
*look for eyelid blinking
in a central lesion how does the face appear?
lower half of face weak on contralateral side
in a peripheral lesion how does the face look?
- Bell’s Palsy
entire half of face weak on ipsilateral side
