Language and Aphasia Flashcards
What is Wernicke’s area involved in?
Comprehension and recognition of spoken and written language
What does the angular gyrus process in terms of language?
Text/numbers
What is Broca’s area involved in?
Motor generation of speech
What Brodmann’s area is Broca’s area?
44 and 45
What Brodmann’s area is the primary auditory cortex?
41
What Brodmann’s area is Wernicke’s area?
22
Is speech part of the pyramidal or extra-pyramidal system?
Pyramidal as it is a VOLUNTARY action
Which cranial nerves are involved in speech?
Trigeminal
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal
What is the auditory pathway?
Cochlear nerve
Upper medulla (cochlear nuclei)
Inferior colliculus (midbrain)
Thalamus (medial geniculate nucleus)
Primary auditory cortex
What are the two tracts of the cochlear nerve and what are they associated with in terms of audition?
Ventral - sound direction
Dorsal - sound quality
What does the term grapheme mean?
Visual stimuli that represents sound
What does the term phoneme mean?
Smallest unit of sound within a word
What is aphasia?
Acquired communication disorder that causes a problem with any or all of:
Speaking
Listening
Reading
Writing
What can cause aphasia?
Stroke, TBI, brain tumour, infection, dementia
What is Wernicke’s aphasia?
Problem with speech comprehension