Biological Factors: Neurological Factors Flashcards
what could explain schizophrenia?
neural correlates
evidence for
Johnstone et al (1976)
Buchsbaum (1990)
what did Johnstone et al (1976) do?
compared the size of brain ventricles in the brains of people with and without schizophrenia
what did Johnstone et al (1976) find?
that people with schizophrenia had enlarged ventricles
if schizophrenic patients have enlarged ventricles, what does this suggest?
it suggests that schizophrenia is linked to a reduction in the temporal and frontal lobes volume
what did Buchsbaum (1990) do?
he did MRI scans on the brains of people with schizophrenia
what did Buchsbaum (1990) find?
he found abnormalities in the prefrontal cortex
what’s an issue with Johnstone and Buchsbaum study?
people without schizophrenia have enlarged ventricles
if people without schizophrenia can have enlarged ventricles, what does this mean?
the relationship isn’t that simple
