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tissue destruction. It can occur naturally or experimentally by the caused distruction/remove of brain tissues
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.
CT (computed tomography) scan
a series of x-ray photographs taken from different angles and combined by computer into a composite representaion of a slice through the body. Aslo called a CAT scan
(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 that distinguish among different types of soft tissues; allows us to see structures within the brain.
the oldest part and central core of brain. AKA reticular formation, or reticular activating system. In charge of automatic survival functions
the brains 'sensory switch board' located at top of brainstem; directs messages to the sensory receiving areas in the cortex
A system of neural structures at the border of brainstem. Associated with emotions like fear, agression, and drives such as those for food and sex. Includes the Hippocampus, Amygdala and hypothalamus.
neural clusters that are components of the limbic system and are linked to emotion. (fear & aggression)
a neural structure lying below the thalamus. directs (eating, drinking, body temperature), governs the endocrine system via pituitary, linked to emotion and "reward center"
Fabric of interconnected neuron cells. Higher order thinking. Takes meaning and puts it to focus.
the portion of the cerebral cortex lying just behind the forehead; involved in speaking and muscle movements (motor cortex) and in making plans and judgements.
The portion of the cerebral cortex lying at the top of the head and toward the rear; includes the sensory cortex (touch / feeling).
the portion of the cerebral cortex lying at the back of the head; includes the visual areas, which receive visual info from the opposite visual feild.
The portion of the cerebral cortex lying roughyl above the ears; includes the auditory areas, each of which revieves aditory info primarily from the opposite end.
Areas of the cerebral cortex that are not invoved in primary motor or sensory funtions; they are involved in higher mental funtions such as learning, remebering, thinking and speaking.
the area at the front of the parietal lobes that registers and processes body sensations.
impairment of language, usually caused by Left Hemisphere damage to Brocas area or Wernickes.
controls language expression (speech). Damage creates inability to speak; usually in the right frontal lobe
Contorls language reception. Damage creates inability to comprehend language; usually in the left temporal lobe
the brain's capacity for modification, especially during childhood, by reorganizing after damage or by building new pathways based on experience
Shares info back and forth; Connects the two hemispheres of the brain and carries messages between them.
A condition in which the two hemispheres of the brain are isolated by cutting the connecting fibers (corpus callosum) between them.
discovered area in the brain (named for him) in the left frontal lobe responsible for language production
railroad worker who survived a severe brain injury that dramatically changed his personality and behavior; case played a role in the development of the understanding of the localization of brain function
1939-present; Field: cognition (neuroscience); Studied of the neural basis of mind with primary responsibility for initiating human split-brain research. In his subsequent work he has made important advances in our understanding of functional lateralization in the brain and how the cerebral hemispheres communicate with one another.
"Wernicke's area"; discovered area of left temporal lobe that involved language understanding: person damaged in this area uses correct words but they do not make sense
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