E3P: psy disorders Flashcards
outline of the factors in the interactional model
- Environmental
- Behavioral
- Biological – genetic, biochemical and anatomic
- Mental illness is multi-causal. The interaction of the three major factors can be described in an equation form:Environmental factors + Behavioral factors + Biological factors = Mental Illness
biochemical for schizophrenia
Biochemical: There is a chemical excess of the neurotransmitter Dopamine. This causes the neurons to fire too rapidly.
biochemical for mood disorders
- Serotonin
- Norepinephrine.
these are decreased in depression and increased in mania.
biochemical for
Brain releases dopamine with pleasurable experiences – gives the addict a sense of well-being (euphoria) that occurs reliably with EACH drug use.
mania
Perceptual Disturbances
• perceives self as having special power or ability
• demanding and even overbearing
• may perceive time as moving too slowly
• may not perceive potentially dangerous or painful consequences of behavior
• may have hallucinations
Thought Disturbances
• thinking is speeded up
• believe they are a great inventor, musician (delusions of grandeur)
• distractable - difficulty concentrating
• flight of ideas (abrupt changes from one topic to another)
Mood Disturbances • euphoric • good mood • cheerful • high • irritable • inflated self-esteem
depression
Perceptual Disturbances
• perceive others as negative toward self
• perceive little pleasure in life’s activities
• perceive world as hopeless
• experience guilt and self-blame
• may have physical complaints that are usually false
Thought Disturbances
• difficulty concentrating
• memory disturbances
• difficulty making decisions
• delusions such as thinking one is responsible for some tragic event
• recurrent thoughts of death or suicide
Mood Disturbances
• feelings of worthlessness and guilt
• feelings of inadequacy
• negative self worth (low self-esteem)
• feeling sad, discouraged
Behavioral Disturbances
• sleep disturbances (sleeping too little or too much)
• agitation
• marked slowing of speech and body movements
• may attempt suicide
• lack of appetite or increase in appetite
• weight gain or weight loss