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Module 11 Vocabulary: Studying the Brain, and Older Brain Structures

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Across
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tissue destruction
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a series of X-ray photographs taken from different angles and combined by computer into a composite representation of a slice through the body
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a visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task
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a neural structure which directs several maintenance activities (eating, drinking, body temperature), helps govern the endocrine system via the pituitary gland, and is linked to emotion and reward
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a nerve network in the brainstem that plays an important role in controlling arousal
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the oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull; this is responsible for automatic survival functions
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an amplified recording of the waves of electrical activity that sweep across the brain’s surface. These waves are measured by electrodes placed on the scalp.
Down
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doughnut-shaped neural system (including the hippocampus, amygdala, and hypothalamus) located below the cerebral hemispheres; associated with emotions and drives
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the brain’s sensory switchboard, located on top of the brainstem; it directs messages to the sensory receiving areas in the cortex and transmits replies to the cerebellum and medulla
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a technique that uses magnetic fields and radio waves to produce computer-generated images of soft tissue. These scans show brain anatomy
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the “little brain” at the rear of the brainstem; functions include processing sensory input and coordinating movement output and balance
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a technique for revealing blood flow and, therefore, brain activity by comparing successive MRI scans
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the base of the brainstem; controls heartbeat and breathing
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two lima bean–sized neural clusters in the limbic system; linked to emotion