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Across 3. Unit of measurement of MRI machine’s power. 4. Shape of MRI machine 7. Name for doctor who is specially trained to interpret brain scans. 8. Neurotransmitter responsible for regulating mood. 10. Person responsible for the theory of evolution. 13. The process by which organisms less adapted to their environment do not pass on their genes, these genes disappear from the population gene pool. 17. Using animal research to test a certain cause-effect hypothesis about a certain human behaviour. 18. Variation in traits of individual organisms from the same population. 20. Gap between nerve cells. 21. Area of brain responsible for articulate speech. 22. Hormone nicknamed the "cuddle chemical". 23. Structure in mammal brains that plays a role in detecting pheromones. 26. Fill in this famous phrase about neuroplasticity; “Neurons that fire together, _______ together.” 30. Type of animal often used in psychological research. 31. Large scale neuroplasticity in which a brain area takes over the function(s) of a different brain area. 33. Process in which the brain gets rid of unused or unnecessary connections between neurons. 35. Dizygotic twins 38. Type of atom that is key to an MRI scan 39. Name for electrical impulse that sends messages during neurotransmission. 40. Mental disorder which is related to low levels of serotonin. 41. Group of people from London, England whose specialized skills who were studied to see the impact of their job on their brain. 42. Last name of researcher who conducted the study we read about serotonin and prosocial behaviour. 43. Emotion that may have evolved to prevent us from ingesting poison. 45. Unit of heredity. 46. Skill practiced in the study by Draganski to see how it affected the brain. 47. Short form for one of the brain scanning techniques we did not focus on.

Down 1. Last name of pheromone researcher who runs the Athena Institute. 2. A series of connected neurons. 3. Method used to study the heritability of traits. 5. Brain imaging technique that we focused on in class. 6. People with ______________ in their body should not get an MRI because it would be dangerous 9. The ability of the brain to alter its’ structure following changes within the body or environment. 11. The process of using a different sense (such as touch) to replace or make up for the lack of another sense (such as sight). 12. Location where hormones travel. 14. Substance most commonly used in contrast agent for MRI scan. 15. Area of the brain responsible for transferring short term memory to long-term. 16. Identical twins 19. The two main purposes of brain scanning is to investigate the structure or ________ of the brain 24. Claimed to be a sex hormone (short form=AND). 25. A practical application of neuroplasticity, as demonstrated by Daniel Kish. 27. Area of the brain involved in memory, emotion and fear. 28. Mental illness that might result when too much synaptic pruning occurs. 29. Neurotransmitter responsible for motivation and addictive behaviour. 32. Last name of one of the lead researchers responsible for the Minnesota Study of Twins Reared Apart. 34. A nerve cell. 36. A branched extension of a neuron that receives signals from other neurons and transmits those signals to the cell body. 37. Type of glands that releases hormones. 44. Short form for the best candidate for a female sex pheromone.