Mental Illness- Gottesman Flashcards
What are the monoamines?
Serotonin (controls N & D)
Dopamine (mood)
Noradrenaline (activity levels)
Depression theory one?
Stress lowers serotonin
Noradrenaline and dopamine misbalanced
Lowered mood and activity levels
Schizophrenia theory?
Enzymes in synapses decreases noradrenaline levels
Increased dopamine means hallucinations and messes with speech areas
Monoamine oxidase inhibitors?
Prevent MA reabsorption
Tricyclics?
Prevents noradrenaline and serotonin
Side effects like fatigue
Selective serotonin reuptake inhibitors
Prevents only S réabsorption
What is schizophrenia caused by?
Caused by increased or decreased dopamine in PFC.
What did Purdon do?
Gave drugs
LH weak so right hand weak
Gave drugs
Increased strength in right hand
Drugs work
Juckel
Depression means lower VS activity
Means depression
Caused by lower D, N or S
Milo?
Hypo-perfusion in brain = lower blood flow.
ECT brought those levels up almost immediately
Coffey
Lower PFC activity = lower thinking
Serotonin transporter genes
3 types
Short long
Short short (depression)
Long long
Polygenic?
Aetilogically homogeneous?
Aetilogically heterogeneous?
Polygenic= many genes contribute
Aetilogically homogeneous= 1 symptom stems from 1 gene
Aetilogically heterogeneous= many symptoms from many genes = hard to cure.
Aim Gottesman?
Likelihood of kids inheriting MI when one or both parents inherits themselves
Sample
From 2.7 million Danish kids
83 BxB gives 146 kids
196 SxS gives 270 kids