AP Psych Unit 1 Vocab

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Across
  1. 2. Adaptation – Decreased sensitivity to an unchanging stimulus.
  2. 5. Nervous System – Connects the central nervous system to the rest of the body.
  3. 7. Nervous System Includes the brain and spinal cord; processes information.
  4. 8. The small gap between neurons where neurotransmitters are released.
  5. 9. Nervous System – Activates the body’s “fight or flight” response.
  6. 12. Potential The electrical impulse that travels down a neuron’s axon.
  7. 14. Chemical messenger that carries signals across the synapse between neurons.
  8. 15. The proportion of variation in traits explained by genetic factors.
Down
  1. 1. Brain structure involved in emotion, especially fear and aggression.
  2. 3. A nerve cell that sends and receives information through electrical and chemical signals.
  3. 4. The process of converting sensory input into neural signals.
  4. 6. Sleep – Sleep stage where vivid dreams occur and the brain is most active.
  5. 10. Nervous System – Calms the body after stress (“rest and digest”).
  6. 11. Brain region important for forming new memories.
  7. 13. Cortex – The outer layer of the brain responsible for complex thinking.