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- Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
- Path: sparky!uunet!paladin.american.edu!auvm!UXA.ECN.BGU.EDU!UPALFANO
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- Message-ID: <199207272011.AA20364@uxa.ecn.bgu.edu>
- Newsgroups: bit.listserv.csg-l
- Date: Mon, 27 Jul 1992 15:11:09 CDT
- Sender: "Control Systems Group Network (CSGnet)" <CSG-L@UIUCVMD.BITNET>
- From: "Patricia Alfano" <upalfano@UXA.ECN.BGU.EDU>
- Subject: stick patterns ctd.
- X-To: csg-l@vmd.cso.uiuc.edu
- Lines: 52
-
- [From Pat Alfano]
-
- Monday July 27, 1992
-
- To: Bill Powers and David Goldstein
-
- Thanks for the input on the analysis for my stick patterns.
-
- I guess I should have supplied more information with my request for help
- on analyzing my stick pattern data.
-
- My main goal in analyzing the data is to show that the stick test is not
- necessarily testing what neuropsychologists say it is testing, and to
- show, at least in part why this is so. If I could also tell them what
- it is testing, that would be a bonus.
-
- Basically the stick test is thougt to be a test of spatial ability and to
- require mental rotation. It is thought to test ones' ability to find
- one's way around in his or her environment, to read maps, etc. If a
- brain injured person has trouble doing this it is thought that the part
- of the brain that performs mental rotation has been injured, and that
- part of the brain is most likely on the right side, probably in the
- temporoparietal area.
-
- My argument is that there is no evidence that this task requires mental
- rotation (whatever that is) in order to be successfully completed, and
- that there is no evidence that it is a task of spatial aability
- (whatever that is).
-
- I know that to simply ask subjects what strategies thy used to complete
- the task does not get at what they actually did, but, I was hoping to
- show those who use the test that they need to discover exactly what it
- is people are doing when performing the task; and to point out to them
- that they are relying on assumptions when interpreting the results. I
- also wanted to point out that normal people have trouble doing the sick
- test and therefore no conlcusions can be drawn about a brain injued
- person who cannot do the test.
-
- By the way, I did count errors. I also videotaped subjects doing the
- stick test during a pilot study.
-
- I would like to make suggestions about how neuropsychologists should
- look for what it is exactly people are doing when performing the stick
- test or similar tasks. You both have given me some ideas on what I
- might suggest.
-
- At the present I am not planning on studying the phenomenon myself,
- but may be interested in doing so in the future. I would like to
- know what goes on in someones head when performing a task such as
- this. Have I set my sights too high?
-
- Pat
-