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"Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players

Publikation: KonferencebidragPosterForskning

Standard

"Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players. / Wallentin, Mikkel; Roepstorff, Andreas; Vestergaard-Poulsen, Peter; Østergaard, Leif; Gebauer, Line; Linnet, Jakob; Østergaard, Svend.

2007. Poster session præsenteret ved Society for Neuroscience, San Diego, USA.

Publikation: KonferencebidragPosterForskning

Harvard

Wallentin, M, Roepstorff, A, Vestergaard-Poulsen, P, Østergaard, L, Gebauer, L, Linnet, J & Østergaard, S 2007, '"Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players', Society for Neuroscience, San Diego, USA, 03/11/2007 - 07/11/2007.

APA

Wallentin, M., Roepstorff, A., Vestergaard-Poulsen, P., Østergaard, L., Gebauer, L., Linnet, J., & Østergaard, S. (2007). "Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players. Poster session præsenteret ved Society for Neuroscience, San Diego, USA.

CBE

Wallentin M, Roepstorff A, Vestergaard-Poulsen P, Østergaard L, Gebauer L, Linnet J, Østergaard S. 2007. "Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players. Poster session præsenteret ved Society for Neuroscience, San Diego, USA.

MLA

Vancouver

Wallentin M, Roepstorff A, Vestergaard-Poulsen P, Østergaard L, Gebauer L, Linnet J o.a.. "Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players. 2007. Poster session præsenteret ved Society for Neuroscience, San Diego, USA.

Author

Wallentin, Mikkel ; Roepstorff, Andreas ; Vestergaard-Poulsen, Peter ; Østergaard, Leif ; Gebauer, Line ; Linnet, Jakob ; Østergaard, Svend. / "Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players. Poster session præsenteret ved Society for Neuroscience, San Diego, USA.

Bibtex

@conference{915b31d08ff311dcbee902004c4f4f50,
title = "{"}Strategic{"} and {"}tactical{"} chess differentiate in their hippocampal and precuneus requirements in expert chess players",
abstract = "Introduction Expert chess players have been a popular population for research in acquired expertise. The putative cognitive underpinnings of chess-expertise (eg. IQ and memory) have been sought for with mixed results. We suggest that this may be partly due to a lack of detail in the analysis of the game itself.We investigated whether different types of chess positions, known as {"}tactical{"} and {"}strategic{"}, activates different neurocognitive structures. In a tactical position the choice of move determines the game, whereas strategic moves are based on long term considerations and do not imply an immediate determination. We therefore hypothesised that tactical considerations rely more on working memory (WM) brain structures, such as the precuneus , while strategic rely on long term memory (LTM), i.e. hippocampus.Methods22 chess-players participated, 9 during fMRI scanning in a 3T scanner while performing a binary forced choice task on tactical and strategic chess pos. shown for 8 sec. fMRI data underwent a RFX analysis in SPM5 using chess ranking and accuracy difference as explanatory variables.ResultsAccuracy (P=0.23) and RT (P=0.69) was matched across conditions. Accuracy and chess ranking correlated significantly (r=0.87, P=0.002), suggesting ecological validity of our design.The neural activity was significantly explained by our model (P<0.05, FDR-corrected) in precuneus and hippocampus.Across subjects tactical pos. yielded a higher response in precuneus, strategic pos. gave a higher response in hippocampus.Higher ranking subjects had greater activity in both regions during the tactical tasks compared to lower ranking, and subjects generally had higher responses in both regions during tasks which they performed worst at.DiscussionIt does make a difference for studies of chess expertise if a detailed account of the game is considered. Our study shows that tactical chess profiles WM regions whereas strategic chess profiles LTM structures. But we also find that other performance mediating factors interact with this general finding in interesting ways.",
keywords = "memory, hippocampus, precuneus, expertise, chess",
author = "Mikkel Wallentin and Andreas Roepstorff and Peter Vestergaard-Poulsen and Leif {\O}stergaard and Line Gebauer and Jakob Linnet and Svend {\O}stergaard",
year = "2007",
language = "English",
note = "null ; Conference date: 03-11-2007 Through 07-11-2007",

}

RIS

TY - CONF

T1 - "Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players

AU - Wallentin, Mikkel

AU - Roepstorff, Andreas

AU - Vestergaard-Poulsen, Peter

AU - Østergaard, Leif

AU - Gebauer, Line

AU - Linnet, Jakob

AU - Østergaard, Svend

PY - 2007

Y1 - 2007

N2 - Introduction Expert chess players have been a popular population for research in acquired expertise. The putative cognitive underpinnings of chess-expertise (eg. IQ and memory) have been sought for with mixed results. We suggest that this may be partly due to a lack of detail in the analysis of the game itself.We investigated whether different types of chess positions, known as "tactical" and "strategic", activates different neurocognitive structures. In a tactical position the choice of move determines the game, whereas strategic moves are based on long term considerations and do not imply an immediate determination. We therefore hypothesised that tactical considerations rely more on working memory (WM) brain structures, such as the precuneus , while strategic rely on long term memory (LTM), i.e. hippocampus.Methods22 chess-players participated, 9 during fMRI scanning in a 3T scanner while performing a binary forced choice task on tactical and strategic chess pos. shown for 8 sec. fMRI data underwent a RFX analysis in SPM5 using chess ranking and accuracy difference as explanatory variables.ResultsAccuracy (P=0.23) and RT (P=0.69) was matched across conditions. Accuracy and chess ranking correlated significantly (r=0.87, P=0.002), suggesting ecological validity of our design.The neural activity was significantly explained by our model (P<0.05, FDR-corrected) in precuneus and hippocampus.Across subjects tactical pos. yielded a higher response in precuneus, strategic pos. gave a higher response in hippocampus.Higher ranking subjects had greater activity in both regions during the tactical tasks compared to lower ranking, and subjects generally had higher responses in both regions during tasks which they performed worst at.DiscussionIt does make a difference for studies of chess expertise if a detailed account of the game is considered. Our study shows that tactical chess profiles WM regions whereas strategic chess profiles LTM structures. But we also find that other performance mediating factors interact with this general finding in interesting ways.

AB - Introduction Expert chess players have been a popular population for research in acquired expertise. The putative cognitive underpinnings of chess-expertise (eg. IQ and memory) have been sought for with mixed results. We suggest that this may be partly due to a lack of detail in the analysis of the game itself.We investigated whether different types of chess positions, known as "tactical" and "strategic", activates different neurocognitive structures. In a tactical position the choice of move determines the game, whereas strategic moves are based on long term considerations and do not imply an immediate determination. We therefore hypothesised that tactical considerations rely more on working memory (WM) brain structures, such as the precuneus , while strategic rely on long term memory (LTM), i.e. hippocampus.Methods22 chess-players participated, 9 during fMRI scanning in a 3T scanner while performing a binary forced choice task on tactical and strategic chess pos. shown for 8 sec. fMRI data underwent a RFX analysis in SPM5 using chess ranking and accuracy difference as explanatory variables.ResultsAccuracy (P=0.23) and RT (P=0.69) was matched across conditions. Accuracy and chess ranking correlated significantly (r=0.87, P=0.002), suggesting ecological validity of our design.The neural activity was significantly explained by our model (P<0.05, FDR-corrected) in precuneus and hippocampus.Across subjects tactical pos. yielded a higher response in precuneus, strategic pos. gave a higher response in hippocampus.Higher ranking subjects had greater activity in both regions during the tactical tasks compared to lower ranking, and subjects generally had higher responses in both regions during tasks which they performed worst at.DiscussionIt does make a difference for studies of chess expertise if a detailed account of the game is considered. Our study shows that tactical chess profiles WM regions whereas strategic chess profiles LTM structures. But we also find that other performance mediating factors interact with this general finding in interesting ways.

KW - memory

KW - hippocampus

KW - precuneus

KW - expertise

KW - chess

M3 - Poster

Y2 - 3 November 2007 through 7 November 2007

ER -