psychology test revision

• the cerebellum is involved with motor control, balance, coordination, posture, speech production, and learning
• psychology uses a biopsychosocial approach to frame an understanding of behaviour.
• The main functions of the nervous system are reception, processing, and response.
• Reception is the sensory nerves sending information to the brain
• Processing is the brain making sense of the information.
• Response is the motor neurons delivering instructions from the brain to the body
• Stress is a state of high arousal. The body's response to stress is controlled by the autonomic nervous system.
• Eustress is positive stress or excitement.
• Distress is negative stress.
• Thalamus: 


  Relays Sensory Information
• Amygdala:


  Responsible for emotion and attaches this to memory.
• Hypothalamus:


  Homeostasis, links nervous and endocrine system
• Hippocampus


  Connections made to help associate memories with various senses
• hormones


  Endocrine system, released into the blood stream, slow to respond. Control growth, development, reproduction, sleep, mood
• Hormones include Oxytocin, cortisol, testosterone, estrogen, and melatonin.
• Neurotransmitters


  The nervous system, released into the synaptic gap, involved in transmission of nerve signals.
• A Process Called Synapse

  Information goes down the axon in the form of a nerve impulse. Once at the axon, the impulse is sent to the axon terminal, which releases a chemical called a neurotransmitter. The neurotransmitter then travels across the gap to another neuron.
• Antagonist 


  Blocks the Neuron, preventing reuptake and causing a flood of neurotransmitter.
• Agonist


  Locks onto neuron, mimicking actions and causing a high release of neurotransmitter.
• Drugs work in the brain because there chemical structure is similar in size and shape as other neurotransmitters
• corpus callosum


  connects right side of the brain to left side of body and left side of brain to right side of body.
• sympathetic division


  fight flight freeze response, arousing.
• parasympathetic division


  rest and digest, slows heart rate and breathing
• Physiological Arousal


  Increased respiration, heart rate, blood pressure, temperature and sweating.
• Psychological arousal


  Increased irritability, anxiousness, excitability and alertness.
• brain stem


  Responsible for basic functions that support life.
• cerebellum


  controls subconscious movements for balance and posture.