Chapter 26: Neurological Disorders Flashcards
1
Q
PTSD brain changes
A
- hippocampus and amygdala reduction
2
Q
adaptive responses
A
- shock, apathy
- suggestibility
- recovery (neccessary for stress resolution
3
Q
disconnection syndrome
A
- interruption of white matter
4
Q
infarct
A
- area of dead tissue
- due to stroke
5
Q
VCA
A
- cerebral vascular accident
- a stroke
6
Q
ischemia
A
- shortage of blood
7
Q
thrombisis
A
- blood clot
8
Q
embolism
A
- obstruction due to blood clot
- most common in LH middle cerebral artery
9
Q
cerebral arteriosclerosis
A
- thinkening and hardening of vessels
10
Q
vasospasm
A
- constriction of blood vessels
11
Q
migraine stroke
A
- transient ischemic attack
- most common in post. cerebral artery
12
Q
cerebral haemorrhage
A
- massive bleeding in brain
- fatal
- but not when near ventricles
13
Q
arteriovenous malformations
A
- enlarged cortical vessels
- most common inn middle cererbral artery
14
Q
aneurysm
A
- vascular dilation
- like a balllon
- causes rupture, pressure
15
Q
myelin sheath damage
A
- due to twisting of brain
- most common in temporal and frontal
16
Q
symptomatic seizures
A
- identifyable cause
17
Q
idiopathic seizures
A
- spontaneous, without disease
18
Q
epilepsy symptoms
A
- aura
- loss of consciousness
- movement, e.g. shaking
19
Q
posttraumatic amesia
A
- useful as measure of severity
20
Q
Jacksonian focal seizure
A
- jerking movement (J.’s march)
- spreads to adjacent parts
21
Q
complex partial seizure
A
- most common in temporal
- subjective experiences e.g. repetitive thoughts
- automatic behaviors
- postural changes, e.g. catatonic
22
Q
generalized seizure
A
- tonic stage (stiffening)
- clonic stage (shaking)
- postseizure (loss of affect)
23
Q
akinetic seizure
A
- in children
- very short
24
Q
- myoclonic spasm
A
- sudden flexion or extension
25
Q
anticonvulsant drugs
A
- inhibit discharge of abnormal neurons
26
Q
benign tumor
A
- does not reoccur
27
Q
cystic
A
- produce fluid filled cavities
28
Q
metastatic tumour
A
- tumour from other region
29
Q
anaemia
A
- lack of red blood cells
- dilates cranial arteris
30
Q
narcolepsy
A
- lack of orexin in hypothalamus
- treated by amphetamine and tricyclic antidepressants
