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Across 1. A group of brain areas involved in emotional reactions and motivational behavior 9. lobes at the lower back part of the brain's cerebral cortex; they contain areas that receive visual information 10. A brain structure involves in the arousal and regulation of emotion and the initial emotional response to sensory information 12. Specialization of particular brain areas for particular functions 15. A brain structure involved in emotions and drives vital to survival 16. A structure in the brain stem responsible for certain automatic functions, such as breathing and heart rate 17. the two halves of the cerebrum 18. A structure in the brain stem involved in, among other things, sleeping, waking, and dreaming 19. the bundle of nerve fibers connecting the two cerebral hemispheres 20. A brain structure involved in the storage of new information in memory

Down 1. Specialization of the two cerebral hemispheres for particular operations 2. A brain structure that regulates movement and balance and that is involved in some cognitive tasks 3. A dense network of neurons in the core of the brain stem 4. the part of the brain at the top of the spinal cord, consisting of the medulla and the pons 5. A small endocrine gland at the base of the brain that releases many hormones and regulates many other endocrine glands 6. lobes at the sides of the brain's cerebral cortex;they contain areas involved in hearing, memory, perception, language comprehension 7. A collection of several thin layers of cells covering the cerebrum; it is largely responsible for higher mental functions 8. lobes at the top of the brain's cerebral cortex; they contain areas that receive information on pressure, pain, touch, and temperature 11. lobes at the front of the brain,s cerebral cortex; they contain areas involved in short-term memory, higher-order thinking, initiative, social judgement, and speech production 13. The largest brain structure, consisting of the upper part of the brain 14. A brain structure that relays sensory messages to the cerebral cortex