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

Across
tissue destruction
a series of X-ray photographs taken from different angles and combined by computer into a composite representation of a slice through the body
a visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task
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
a nerve network in the brainstem that plays an important role in controlling arousal
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
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
doughnut-shaped neural system (including the hippocampus, amygdala, and hypothalamus) located below the cerebral hemispheres; associated with emotions and drives
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
a technique that uses magnetic fields and radio waves to produce computer-generated images of soft tissue. These scans show brain anatomy
the “little brain” at the rear of the brainstem; functions include processing sensory input and coordinating movement output and balance
a technique for revealing blood flow and, therefore, brain activity by comparing successive MRI scans
the base of the brainstem; controls heartbeat and breathing
two lima bean–sized neural clusters in the limbic system; linked to emotion