roland comments on The Frontal Syndrome - Less Wrong

18 Post author: Annoyance 01 June 2009 04:10PM

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Comment author: roland 01 June 2009 08:25:48PM *  6 points [-]

I googled for reference about the lack of iq reduction and it's not as easy as Annoyance claims.

I found: http://www.springerlink.com/content/x952046576561443/

http://www.mytherapy.com/discussion/topic.asp?TOPIC_ID=19021

In the case of Rosemary Kennedy the lobotomy lead to mental retardation although I don't know if IQ was specifically measured: http://en.wikipedia.org/wiki/Rosemary_Kennedy

In other places I read that although the IQ is maintained the victim loses the capability for abstract reasoning.

Comment author: Annoyance 02 June 2009 06:56:56PM *  1 point [-]

Rosemary Kennedy was considered mentally retarded before the operation.

That is, her intellectual prowess (or lack thereof) was a pre-existing condition.

(edited for clarification)

Comment author: roland 02 June 2009 07:31:18PM 2 points [-]

I just read the wikipedia article more carefully. Her mental retardation before the procedure is highly disputed.

Quote:

She was not mentally retarded. … It could be she had an IQ of 90 in a family where everyone was 130, so it looked like retardation, but she did not fall into IQ 75 and below, which is the definition of mental retardation. … There is no way I can picture her at less than a 90 IQ, but in that family, 90 would be considered retarded."

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