Psychological disorders

• Conversion disorder describe a nervous system symptom that cannot be explained by medical evaluation
• Somatoform symptom involves a physical symptom along with associated psychological symptom
• Neurologically, schizophrenic patients have increased dopamine levels
• Monoamine hypothesis of depression states that there is a deficiency in monoamine neurotransmitters like serotonin, norepi and dopamine
• A treatment for depression in case of monoamine deficiency could be monomine agonist or monoamine oxidase inhibitors that inhibit breakdown of monoamine or monoamine reuptake inhibitors that inhibit reuptake
• Second hypothesis of depression is called hypothalamic-pituitary-adrenal axis, in which there is increased CRH and cortisol leading to depression
• Positive symptoms are those that add something that is normally not there
• Negative symptoms are loss of traits
• Anxiety disorders have a 20% prevalence
• Schizophrenia has a 1% prevalence
• Somatoform symptoms have a 15% prevalence
• Mood disorders have 10% prevalence and involve 2 opposite spectrums: depression and mania
• Dissociative disorders have 10% prevalence
• Fugue state is a dissociative disorder in which individual experiences a loss of memory of their own identity