Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/20

Click to flip

20 Cards in this Set

  • Front
  • Back
Wernicke-Korsakoff Psychosis
chronic alcoholics
80% LT effects, 17% die
Symptoms of WK Psychosis
1. Bilateral paralysis of abducens nucle
-bilat internal strabismus
2. Paralysis of conjugate gaze
-cant move eyes in horiz
pln
3. Ataxia
incoordination of lower extremities
4. Global confusion state
5. Nystagmus
Alcholics malabsorb
Thiamine

Inhibits transketolase activity esp in hexose-monophosphate shunt
inhibits MLF (ipsi 6 contra 3)

DO NOT GIVE IV GLUCOSE
Neurologic LT effects of Alcohol
1. atrophy of ant vermis of the cerebellum
2. profound dementia
3. LT and ST memory loss
4. Confabulation (make up stories to fill in gaps)
5. Petachial hemmorages
6. Destruction of mammilary bodies bilaterally
7. Interupted Papez's Loop
8. hemorhages in PAQ Grey matter
9. damage dorsal medial nuc of thalmus
Found normal in chronic alcoholics
EEG
Kluver-Bucy Syndrome
1. Herpes simplex destroys medial temporal lobes
esp amygdala and HC
2. profound dementia
3. no new memories
inhibit of Papez's Loop
4. Psychic Blindness
Diseases that interupt Papez's Loop
1. Alzheimer's
2. Akinetic Mutism
-damage ant cingulate gyri
bilaterally
3. Kluver-Bucy Syndrome
Psychic Blindness
seen in Kluver-Bucy Syndrome and Paraneoplastic limbic encephalitis

dont understand what they see, examine everything orally

Occipital lobe-->OT Long Assoc Bundles-->Temporal Lobe
Lesions in Left Frontal Lobe
Cause Major depression

no overt symptoms b/c anterior to motor cortex
-can be unpresenting tumor
Depression
incapacitating for at least 2 weeks
anhedonia
*3 Vegetative Signs
1. dec sleep
2. dec appetite
3. dec libido
SPECT and PET
visualize microvascular blood flow

decreased blood flow in depression and schizophrenia
Lesions in Right Frontal Lobe
result in Mania
symptoms: sleeplessness, very creative, promiscous, impaired judgement
Possible cortical irritants
Blood from hemmorhage
Paranoid Schizophrenia
Schizophrenia
1. dec sup temporal gyrus vol
2. auditory hallucinations
3.
Planum Temporale
caudal/post to heschel's gyrus in superior temporal lobe
involved in language and music
Schizophrenia
1. auditory cortex miswired
dec in vol
2. Ventricles much larger
3. dec blood flow to frontal oortex
Unique emotional responses
connections b/w temporal lobe, amygdala, and hippocampus
Pick's Disease
1. degenerative disorder of CNS
2. affects Frontal and/or Temporal lobes
3. NEVER effects Parietal/Occipital
4. Frontal Lobes affected first
Pick's Disease Symptoms
1. early 50s, more prev in women
2. behavioral problems precede dementia
3. Autosomal dominant (maybe)
4. Frontal Disinhibition (*)
5. cannot control what they do or say
6. incontinent
Pick's Vs. Alzheimer's
Alz-->effects ALL Lobes of brain
Picks-->only effects Frontal and Temporal

Alz--> disease of association cortex
Picks-->Lobar degen disorder