Assumptions

• What is one assumption of the biological approach?

  Behaviour is determined by neurotransmitters
• How do neurons communicate?

  Through synaptic transmission
• What happens at the axon terminals of a pre-synaptic neuron?

  Pre-synaptic vesicles release neurotransmitters
• What role does serotonin play in mental health?

  It regulates mood, appetite, and sleep
• How do some treatments for depression work?

  They increase serotonin availability at receptors
• What is the biological cause of schizophrenia?

  An influx of the neurotransmitter dopamine
• What are the four lobes of the brain?

  Frontal, parietal, temporal, occipital
• What function does the frontal lobe regulate?

  Impulse control, personality, and mood
• What did Wernicke discover about language localization?

  Damage in a specific area affects speech
• What does the theory of evolution explain in psychology?

  Change in characteristics to meet environmental demands
• What is biological preparedness in psychology?

  Inherited predisposition to fear certain animals
• What is the medical model of illness?

  Psychological disorders have physiological causes
• How can drug therapies treat psychological disorders?

  By using physical treatments for mental illnesses
• What neurotransmitter is linked to depression?

  Serotonin
• How do SSRIs work in treating depression?

  They increase serotonin availability in synapses
• What are the functions of the four lobes of the brain?

  • Frontal lobe: impulse control, personality, mood
  • Parietal lobe: perception and processing sensory information
  • Temporal lobe: memory and understanding language
  • Occipital lobe: visual processing