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Lecture 11

Lecture 11 - Neuropsychology of learning and memory

8 Pages
187 Views
Fall 2010

Department
Psychology
Course Code
PSYB65H3
Professor
Ted Petit
Lecture
11

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Lecture 11 Chapter 8 and 16 (Hearing and Language Processing and Neurological
Assessment)
Neuropsychology of brain damage and language: The aphasias
1)Language gets in an deciphered: details of what the language mean
2)Computational part of language: how it is integrated
3)Output mechanism: one you get it all together, to get it out; how it is expressed
All three controlled by different areas in the brain
Language problems are aphasias
Figure out what they can do
oWhat can a person with Brocas aphasia do?: can they follow instructions?
Receptive aphasias: receiving language
Pure word deafness: problems in relating incoming sounds into representations
which allow the understanding of discourse
oBreaking apart sounds to
oMaking language sense out of language can hear sounds but cannot
distinguish language
oQuote from patient with affliction: Voice comes but no words. I can hear.
Sounds come but words dont separate. There is no trouble at all with sound.
Sounds come, I can hear but I cannot understand it
oInformation is coming in and cant decode it
oLike listening to a language you dont understand
oUsually involves information coming into the temporal lobe where it gets
decoded, and a problem such as pure word deafness is due to some sort of
damage to the area a little posterior dorsal portion of the temporal lobe
oA receptive problem
www.notesolution.com
What can they do ?
oThey have a normal ability to read, write and speak
oCannot repeat what is said
oCannot obey commands
oCan understand what they read and write and speak because the nuts and
bolts of language are there and remains intact but cant decipher it
Do they hear themselves speak and understand??
oYes sometimes! And sometimes no! depends on the amount of damage there
is
oSometimes they cant understand what they are saying! Sometimes they dont
know that it is their problem and sometimes they dont!
Integrative aphasias:
Problems in putting together information and the nuts and bolts of language; cant
do it
Wernickes aphasia (or jargon aphasia): problems in selecting and arranging
meaningful units and their eventual conversion into comprehensible, coherent
speech
oThese people make unintelligible statements
oIn fact, often they will chatter for long periods of time without making any
sense at all in severe cases
oFor example, experimenters would hold up a set of keys and asked them to
describe what it is: Indication of measurement of piece of apparatus or
intonating the cost of apparatus in various forms. =/
oIt is language and might sound like sentences but the whole sentences dont
make sense especially to the context
oNOT a word salad: not just words like A a but with the my your which do
not make sense
The harmony of language and musical quality that makes sense its THERE because
www.notesolution.com
musical quality of right hemisphere is still there
Cant put it together into speech
Sometimes it doesnt even sound like the correct language but still has rhythm
How to determine:
oCannot name objects well but in mild cases they might say a word that is sort
of related to the object
Ex. Points at hair and answers Comb or points at chair and says
Table.
oSometimes w.o being in the same classification, it sounds like it
Ex. Piece of paper = piece of hand pepper
oThey can use the objects and utensils properly this doesnt involve language
(because motor skills in frontal lobe)
oRespond to commands poorly cannot repeat because they cannot
understand
oMild cases, they can repeat small quips that we say all the time short
familiar almost overlearned, quips
oIntellect is usually down: not as well at IQ test
oSilly errors such as multiplying instead of addition, showing they cant fully
understand questions
oIn terms of singing: it is intact! Musical ability is intact
oLittle evidence of comprehension of written material and cant read much
oThey can read things like cat jumped over the moon but dont understand
what it means
oCan also write, but they write the same nonsense as they speak
Interesting about them from a psychological point of view is that while these people
are so devastated in terms of language lose a lot dont have to worry about them
being depressed because its almost like they dont realize that its not there or not
supposed to be there
www.notesolution.com

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Description
Lecture 11 Chapter 8 and 16 (Hearing and Language Processing and Neurological Assessment) Neuropsychology of brain damage and language: The aphasias 1) Language gets in an deciphered: details of what the language mean 2) Computational part of language: how it is integrated 3) Output mechanism: one you get it all together, to get it out; how it is expressed All three controlled by different areas in the brain Language problems are aphasias Figure out what they can do o What can a person with Brocas aphasia do?: can they follow instructions? Receptive aphasias: receiving language Pure word deafness: problems in relating incoming sounds into representations which allow the understanding of discourse o Breaking apart sounds to o Making language sense out of language can hear sounds but cannot distinguish language o Quote from patient with affliction: Voice comes but no words. I can hear. Sounds come but words dont separate. There is no trouble at all with sound. Sounds come, I can hear but I cannot understand it o Information is coming in and cant decode it o Like listening to a language you dont understand o Usually involves information coming into the temporal lobe where it gets decoded, and a problem such as pure word deafness is due to some sort of damage to the area a little posterior dorsal portion of the temporal lobe o A receptive problem www.notesolution.com
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