[Catching up on my e-mail queue]
On 31 Jul 2009 at 14:17, Patrick Dolan wrote:
> Reminds me of Tetris. I seem to remember reading a Harvard sleep
> researcher state that the only consistent way to influence a particpant's
> sleep was to have them play Tetris prior to bed.
...in reponse to Patrick Dolan, who said:
> > In addition to the waterfall illusion when we first started playing the
> > game I noticed that it produced a strong "waterfall" illusion at sleep
> > onset for me <snip> My guess is that this is similar to the
> > experiences described by people learning a downhill skiing game in the
> > laboratory. (I think that the work was done by Robert Stickgold
Putting all of this together, along with my own memory of a Tetris-sleep-
Stickgold experiment, I come up with the following:
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Science, 2000 Oct 13;290(5490):350-3. Replaying the game: hypnagogic
images in normals and amnesics. Stickgold R, Malia A, Maguire D,
Roddenberry D, O'Connor M.
Participants playing the computer game Tetris reported intrusive,
stereotypical, visual images of the game at sleep onset. Three amnesic
patients with extensive bilateral medial temporal lobe damage produced
similar hypnagogic reports despite being unable to recall playing the
game, suggesting that such imagery may arise without important
contribution from the declarative memory system. In addition, control
participants reported images from previously played versions of the game,
demonstrating that remote memories can influence the images from recent
waking experience.
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After a day in which I engage in some prolonged repetitive activity, I
often experience visions of the activity at sleep onset. It's nice to see
experimental verification of this phenomenon using a repetitive video
game. It's probably quite common.
Stephen
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Stephen L. Black, Ph.D.
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Bishop's University e-mail: [email protected]
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