Approaches (biological Approach) Flashcards
how many chromosomes are there when the egg and the sperm join up
46 CHROMOSOMES
what is dna made out of
genes
the genes are the things that make us….
unique in appearance
what does darwins theory of evolution suggest
overtime individuals who are better adapted to their environment through having better genes are more likely to survive to reproduce and pass on their useful genes
what is genotypes
the types of genes they have
what the phenotype
a persons characteristics their genes produce
which study is used for identical twins
gottesman,
it was found that having an identical twin with schizophrenia gave you at 48% chance of developing the condition. this reduced to 17% in non identical twins
which study is used for adoption studies
Heston,
47 adopted children whose biological mothers had schizophrenia were studies. the control group consisted of 50 adopted children who their mothers didnt have schizophrenia
it was found out that 5 out of 47 become schizophrenic and 0 in the control group
give 5 examples of brain scans
PET scans
CAT scans
MRI scans
Functional MRI scans
SQUID magnetometry
who was maguire et al
(2000) MRI scans from 16 licensed male london taxi drivers compared to control group (no experience) who both had an average age of 44
results: the average size was significantly larger in the taxi driver compared to the controlled group
what can producing too little certain neurotransmitter can cause
may produce psychological orders for example an increased level of dopamine is linked to schizophrenia, such as cocaine
strengths of biological approach
can provide evidence to support or disprove a theory - its very scientific approach
biological treatments can be developed because of this
