2. Chapter 3 Review Biopsychology

3. This neurotransmitter is involved in schizophrenia and Parkinson’s Dopamine (high levels in schizophrenia)

4. This neurotransmitter is associated with Alzheimer’s Aceytlcholine

5. What does an SSRI do to the levels of serotonin in the synapse? Increases it

6. Low levels of this neurotransmitter is found in people with depression. Serotonin

7. This part of the neuron receives messages from other neurons. Dendrites

8. This part of the neuron is responsible for protecting the axon and speeding up the speed of the action potential. Myelin sheath

9. The neurotransmitters are held in this part of the neuron. Terminal buttons

10. What’s the charge of a neuron at its resting potential? -70mv

11. What two items are exchanged during an action potential? Potassium and sodium

12. Which nervous system is responsible for the fight or flight response? Sympathetic nervous system

13. What is the role of an afferent neuron and what is the role of an efferent neuron? A: carry messages towards the CNS (sensory) E: carry messages away from the CNS (motor)

14. What master gland is part of the endocrine system and works closely with the hypothalamus? Pituitary

15. Which lobe of the brain contains the somatosensory cortex and is responsible for touch, pressure, pain, and temperature? Parietal

16. Which lobe of the brain is responsible for decision-making and planning? Frontal (pre-frontal cortex)

17. Which lobe of the brain is contains the visual cortex? Auditory cortex? Occipital, temporal

18. What is the most advanced brain scan? Which scan involves a dye that detects glucose concentrations? Conservation

19. The limbic system is responsible for memory and emotion. Identify the parts related to these tasks… Long-term memory Fear and aggression Hippocampus Amygdala

20. What part of the brain is responsible for testing the blood and regulating hunger/thirst? Hypothalamus

21. What part of the brain stem is responsible for… Breathing/heart rate Regulation of sleep and dreams Attention, alertness, arousal Medulla, pons, reticular formation

22. What part of the brain connects the two hemispheres and what part of the brain is responsible for higher-order thinking? Corpus callosum, cerebral cortex

23. This part of the brain is responsible for coordinated movement, balance, and sequence of events. Cerebellum

24. This is the brains ability to adapt and form new connections. Plasticity

25. An ______ “turns up the volume” of a neurotransmitter in the synapse while an _______ “turns down the volume” of a neurotransmitter in the synapse. Agonist; antagonist