brain structure

Question 1

A01.1

Answer 1

smaller brains and enlarged ventricles 15% bigger

caused bt death of brain tissue surrounding ventricles and fluid to fill the space

ventricles dont get bigger iver life span not progressive

Question 2

A03.1 strenght

Answer 2

suddath MRI scans MZ twins one with SZ, had enlarged ventricles and reduced anterioir hypothalamus
could clearly tell SZ twin 12/15 pairs from brain scan

Question 3

A03.1 weakness

Answer 3

MRI scans are correlational causation cant be inferred cant say enlarged ventricles causes SZ

Question 4

A01.2

Answer 4

SZ patients often found to have reduced grey matter up to 25% especially in termporal and feontal lobes thoes with most loss experience worst symtpms

Question 5

A03.2 weakness

Answer 5

fusar poli et al conducted meta analysis on brain scanning studies and founf patietns that had been given antipsychotics showed reduction in brain volume, reduction in brain matter and a slight increase in ventrivle size too - suggesting its due to antipsychotics that there is differences in brain struvture

Question 6

A01.3

Answer 6

temporal lobes, processing sounds - abnormalities, auditoiry hallucinations

hippocampus - regulates emotions - flattened emotions

basal gangglia- dopamine activity - cognitive dysfunction

Question 7

A03.3 strength

Answer 7

turner et al MRI scans SZ and healthy, smaller brain vilume in areas with hippocampus, thalamis and amygdala compared to healthy peers and enlarged ventrivles

Question 8

A03.3 wekaness

Answer 8

bio explanation alone too reductionist could be due to social cause- urbanocity stressful factors

vassos et al meta analysis sweeden, netherlands denmark risk 2.37 times hihjer in urban environments compared to rural

Question 9

A01.4

Answer 9

finish