Across
- 4. chemical messenger of the nervous system
- 5. muscle action and memory
- 7. proposed his theory of evolution by naturalselection
- 8. the scientific study of genes and heredity
- 9. drug that blocks or impedes the normal activity of a given neurotransmitter
- 10. drug that mimics or strengthens the effects of a neurotransmitter
- 11. region in the left hemisphere that is essential for language production
Down
- 1. concept that each hemisphere of the brain is associated with specialized functions
- 2. the space between the terminal button of a neuron and the dendrite of another
- 3. important for speech comprehension
- 6. study of gene-environment interactions such as how the same genotype leads to different phenotypes