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- From: kqs@cs.bham.ac.uk (Kelly Smith)
- Newsgroups: sci.cognitive
- Subject: Re: Cog Sci vrs Cog Psych
- Message-ID: <1993Jan22.133827@cs.bham.ac.uk>
- Date: 22 Jan 93 13:38:27 GMT
- Sender: news@cs.bham.ac.uk
- Organization: University of Birmingham
- Lines: 43
- Nntp-Posting-Host: hobbits
-
- I'm currently taking a course in Cognitive Science and have also taken
- courses in Cog Psychology and Cog Neuropsychology. It seems to me that
- there is no difference in the aims of the three fields - they all attempt
- to discover and model cognitive processes. BUT there is a difference in
- the methodology used.
-
- Cog Psych tries to model brain behaviour based on data from experiments,
- mainly on students (!), who are considered "normal" subjects (students?
- normal?). For example, the time taken for subjects to read briefly
- presented words or name upside-down objects is measured and used to
- model cognitive processes.
-
- Cog Neuropsych also tries to model cognitive processes but based on data
- from subjects who have suffered brain damage to some degree e.g. from
- head injury or some types of brain surgery. Such subjects may have
- deficiencies in certain cognitive processes. By studying these
- deficiencies, Cog Neuropsych evidence can be used to infer processes in
- "normal" subjects. (By normal, I mean subjects who do not appear to have
- cognitive processes differing from the norm).
-
- Cog Sci again tries to model cognitive processes but it yet another way.
- It draws on aspects of Philosophy, Linguistics, Psychology, and Computer
- Science (in particular AI) to produce computer simulations of cognitive
- processes. (AI does not necessarily model human cognitive processes,
- instead it tries to produce intellegent systems - I think there is a
- difference!!!).
-
- I think all three fields have an important role in the study of
- cognition. Cognitive Science can simulate the findings of Cog Psych
- and Cog Neuropsych, and may stimulate experimental research in new
- directions as a result of interesting emergent properties. In addition,
- a computer simulation can be damaged in a far more ethical and reliable
- way then a rat or a human. This means that the effects of brain damage
- can be simulated and related to the Cog Neuropsych literature.
-
- To finally finish, I think that Cog Sci, Cog Psych and Cog Neuropsych
- can all add to the study of Cognition - they just have different
- emphases on research.
-
-
- Looking forward to comments/queries/criticisms.
-
- Kelly.
-