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14 Cards in this Set

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  • Back


tissue destruction. a brain lesion is a naturally or experimentally caused destruction of brain tissue


an amplified recording of the waves of electrical activity sweeping across the brain's surface. these waves are measured by electrodes placed on the scalp

PET (positron emission tomography) scan

a visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task

MRI (magnetic resonance imaging)

a technique that uses magnetic fields and radio waves to produce computer generated images of soft tissue. MRI scans show brain anatomy

fMRI (functional MRI)

a technique for revealing bloodflow and brain activity by comparing successive MRI scans. fMRI scans show brain function as well as structure.


the oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull; the brainstem is responsible for automatic survival functions


the base of the brainstem; controls heartbeat and breathing


the brain's sensory control center, located on top of the brainstem. it directs messages to the sensory receiving areas on the cortex and transmits replies to the cerebellum and medulla

reticular formation

a nerve network that travels through the brainstem into the thalamus and plays an important role in controlling arousal


the "little brain" at the rear of the brainstem; functions include processing sensory input, coordinating movement output and balance, and enabling nonverbal learning and memory

limbic system

neural system located below the cerebral hemispheres; associated with emotions and drives


two lima bean sized neural clusters in the limbic system; linked to emotion


a neural structure lying below the thalamus; it directs several maintenance activities (eating, drinking, body temperature) and helps govern the endocrine system via the pituitary gland, and is linked to emotion and reward


a neural center located in the limbic system; helps process explicit memories for storage