Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
Aphasia
|
Partial or complete loss of language abilities following brain damage, often without loss of cognitive faculties or the ability to move muscles used in speech
|
|
|
Wada procedure
|
Single hemisphere of brain is anesthetized. Anasthesia of left hemisphere disrupts speech but not right.
|
|
|
Wernicke's area
|
Superior surface of the temporal lobe between the auditory cortex and the angular gyrus
|
|
|
Broca's area
|
dominant left frontal lobe that Broca identified as being critical for articulate speech
|
|
|
Broca's aphasia
|
AKA motor or nonfluent aphasia. Person has difficulty speaking even though he can understand language heard or read.
|
|
|
Anomia
|
Inability to find words
|
|
|
Wernicke's aphasia
|
Speech is fluent but comprehension is poor.
|
|
|
Wernicke-Geschwind model
|
Broca's area, Wernicke's area, arcuate fasciculus, bundle of axons, angular gyrus.
|
|
|
Conduction aphasia
|
Comprehension is good, speech is fluent. Difficulty in repeating words.
|
|
|
Split brain studies
|
hemispheres are surgically disconnected (corpus callosotomy)
|
|
|
Corpus callosotomy
|
Cure for epilepsy, usually successful but the person has to relearn how to do things.
|
|
|
Left hemisphere language dominance
|
Visual field determines which hemisphere will answer a question
|
|
|
Language functions of right hemisphere
|
Read, understand numbers, letters, short words as long as response needed is nonverbal.
|
|
|
Planum temporale
|
Superior surface of temporal lobe where most signficant difference of 2 hemispheres is located. Left larger than right
|
|
|
Positron Emisson Topography
|
Ingest substance that creates positrons. Test where positrons are located.
|
|
|
Magnetic Resonance Imaging
|
MRI - Magnet with high magnetic field. Orients polarized elements in same direction like a radio wave. Indicates what chemicals in brain are doing. Different pulse based on what chemicals are present.
|
|
|
Language acquisition
|
Learning a language. Learn where words start and stop, statistics.
|
