Schizophrenia, affective disorders and anxiety disorders Flashcards
how are psychiatric diseases passed on
they are largely heritable
what gene has been found to cause psychiatric illinesses
hundreds of gene variants
what was the conclusion for genes that cause psychiatric illnesses
all genes expressed in the brain if mutated affect brain development
how does gene function affect symmetry
the two sides of the body develop independently from the same genes.
If there is no mutation there will be symmetry
if a person asymmetrical they more likely to be….
less intelligent and have worse physical health
do all mutations result in disease
no some just result in reduced robust brain development
best ways to prevent psychiatric illness
healthy behavioural patterns, healthy brain
are the symptoms of psychiatric illness the same
they vary in different people
Schizophrenia
mental disorde
social withdrewal
disorganized thing
abnormal thoughts
`do the symptoms of schizophrenia
they stay but poeple can be functional still
negative symptoms
lacking behaviour that people have.
positive: delusions of control
Cognitive: disorganised and irrational thinking deficits
when does schizophrenia manifest
early 20s. could be due to an unhealthy synaptic pruning
comorbid
have more than psychiatric
causes of schizophrenia
mothers nutrition during
what was the conclusion of the twin study
when they shared a placenta( environment)then they have the same likelihood of getting schizophrenia
seasonality effect fir developing schizophrenia
people born feb, march, april, may. higher possibility of schizophrenia
what was the skin color hyothesis and explain its basis
dark skinned people who move up north have higher risk than light skinned people
how to tell a child will have schizophrenia
there are no telling signs
They found that children that wee less social
those with deficient pschomotor a
what is a characteristic of schizophrenia in the brain
they found that there ae larger ventricles and thus less brain tissue
is there a cure for schizophrenia
no there isnt
what drugs are given to schizophrenics
antipsychotics : reduce delusions and halucinations
the dopamine hypothesis
they have higher domamine D2 receptor activity but too little in the dorsal lateral prefrintal cortex
other symptoms
they have little activity in the dorsal lateral prefrontal cortex
