MCQ INCORRECT Flashcards
nominal aphasia ?
what and where
difficult to recall the names of people or objects
- anmgular gyrus = dominant temporoparietal region
which area of brain associated with social valuation?
orbitofrontal cortex
you put a ‘front’ on to fit in with your ‘orbit’
where does early alzheimers disease show early change
entorhinal cortex (medial temporal lobe)
where are mirror neurones?
inferior frontal cortex
Lithium toxicity tremor?
Long term lithium use tremor?
Lithium toxicity = Coarse, intention tremor (might have been an INTENTIONAL overdose)
Long term lithium use = Fine, physiological tremor
QTc is prolonged if
> 440ms in men or > 460ms in women
Which test designed specifically, to be sensitive to the changes brought on by antidepressants?
MADRS (Montgomery–Åsberg Depression Rating Scale
Wilsons = ?copper and ceruplasmin
Low serum ceruloplasmin and low serum copper
gut reaction / moral intuition that is experienced when witnessing or considering an event?
Ventromedial prefrontal cortex
(gut of pre-frontal coretx)
PYRAMIDINE bases
purine
pyramids were CUT from stone (Cystocinem uracil, thymine)
adenine and guanine
where are mirror neurones
inferior frontal gyrus
you look in the mirrow IN- FROnt of you
INferior FRONTal
dysfunction in which area leads to disinhibition?
orbitofrontal cortex
if youre disinhibited - you can SEE easily theyre acting bizarre = ORBITO-FRONTAL
part of the Default Mode Network and plays a key role in the sense of self?
Posterior cingulate cortex.
self-referential thought, memory recall
Think of it as the TAIL of a shrimp - its wondering is it the same as the head of the shrimp? SELF referential and sense of self
connects regions of the frontal lobe with regions of the temporal lobe of the same hemisphere?
Superior Longitudinal (arcuate) Fasciculus.
Amphetamine has been shown to result in excessive dopaminergic activity in which of the following areas of the brain thus suggesting a causative role in schizophrenia
striatum
- misolimbic system
which hormones increase hunger?
which hormones decrease hunger?
increase:
neuropeptide Y (from hypothalamus)
Ghrelin - from stomach
Decrease:
Cholecystokinin from duodenum
Leptin- from adipose tissue
commonly used to treat REM sleep behaviour disorder
Clonazepam
EEG effects of lithium?
Lithium increased all A B T D
which of the following neuroplastic effects is most reliably observed in patients undergoing ECT?
Increased hippocampal volume
nucleus of Meynert is located?
what does it do?
substantia innominata of the basal forebrain
main source of Acetylcholine in brain
Long Term potentiation is mediated by
glutamate - NMDA receptors
Nictine receptor stimulation can lead to release of what neurotransmitter?
Dopamine (think you get a dopamine HIT from smoking)
NMDA receptor type?
Ionotropic
so is GABA A
which neutrotransmitter plays important role in huntingtons disease?
GABA
