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u3 p3
module 11 brain scans, older brain structures, and the limbic system
| Question | Answer |
|---|---|
| tissue destruction. naturally or experimentally caused destruction of brain tissue | Lesion |
| an amplified recording of waves of electrical activity sweeping across the brain's surface. These waves are measured by electrodes placed on the scalp | EEG (electroencephalogram) |
| a brain imaging technique that measures magnetic fields from the brain's natural electrical activity | MEG (Magnetoencephalography) |
| a series of X-ray photographs taken from different angles and combined by computer into a composite representation of a slice of the brain's structure | CT (computed tomography) scan |
| a visual display of brain activity that detects where the radioactive form of glucose goes while the brain performs a given task | PET (position emission tomography) scan |
| a technique that uses magnetic fields and radio waves to produce computer-generated images of soft tissue. MRI scans show brain anatomy | MRI (magnetic resonance imaging) |
| a technique for revealing blood flow and, therefore, brain activity by comparing successive MRI scans. Shows the brain function as well as structure | fMRI (functional MRI) |
| the oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull; it is responsible for automatic survival functions | brainstem |
| the base of the brainstem; controls heartbeat and breathing | medulla |
| the brain's sensory control center, located on top of the brainstem; it directs messages to the receiving areas in the cortex and the transmits replies to the cerebellum and medulla | thalamus |
| a nerve network that travels through the brainstem into the thalamus and plays an important role controlling arousal | reticular formation |
| the "little brain" at the rear of the breainstem; functions include processing sensory input, coordinating movement output and balance, and enabling nonverbal learning and memory | cerebellum |
| neural system (including the amygdala, hypothalamus, and hippocampus) located below the cerebral hemispheres; associated with emotions and drives | limbic system |
| two lima-bean-sized neural clusters in the limbic system; linked to emotion | amygdala |
| a neural structure lying below the thalamus; it directs several maintenance activities, helps govern the endocrine system via the pituitary gland, an is linked to emotion and reward | hypothalamus |
| a neural center located in the limbic system; helps process for storage explicit memories of facts and events | Hippocampus |
Created by:
julianna merrill
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