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The Journal of Neuroscience, March 4, 2009, 29(9):2742-2747; doi:10.1523/JNEUROSCI.4703-08.2009

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Brief Communications
Anticipatory Signatures of Voluntary Memory Suppression

Simon Hanslmayr, Philipp Leipold, Bernhard Pastötter, and Karl-Heinz Bäuml

Department of Experimental Psychology, Regensburg University, 93053 Regensburg, Germany

Correspondence should be addressed to Karl-Heinz Bäuml, Department of Experimental Psychology, Regensburg University, Universitätsstrasse 31, 93053 Regensburg, Germany. Email: karl-heinz.baeuml{at}psychologie.uni-regensburg.de

Voluntary memory suppression can keep unwanted memories from entering consciousness, inducing later forgetting of the information. In the present study, we searched for the existence of anticipatory processes, mediating such voluntary memory suppression. Using the think/no-think paradigm, subjects received a cue whether to prepare to think of a previously studied cue–target pair or whether to not let a previously studied cue–target pair enter consciousness. Examining event-related potentials, we identified two electrophysiological processes of voluntary memory suppression: (1) an early anticipatory process operating before the memory cue for a to-be-suppressed memory was provided, and (2) a later process operating after memory cue presentation. Both ERP effects were due to a decreased right frontal and left parietal positivity. They were positively related and predicted later forgetting. The results point to the existence of anticipatory processes, mediating voluntary memory suppression.

Received Oct. 1, 2008; revised Jan. 13, 2009; accepted Jan. 16, 2009.

Correspondence should be addressed to Karl-Heinz Bäuml, Department of Experimental Psychology, Regensburg University, Universitätsstrasse 31, 93053 Regensburg, Germany. Email: karl-heinz.baeuml{at}psychologie.uni-regensburg.de




This article has been cited by other articles:


Home page
 Proc. Natl. Acad. Sci. USAHome page
K.-H. T Bauml and S. Hanslmayr
Forgetting in the no-think paradigm: Interference or inhibition?
PNAS, January 12, 2010; 107(2): E3 - E3.
[Full Text] [PDF]

Home page
 Proc. Natl. Acad. Sci. USAHome page
D. E. Huber, T. D. Tomlinson, C. A. Rieth, and E. J. Davelaar
Reply to Bauml and Hanslmayr: Adding or subtracting memories? The neural correlates of learned interference vs. memory inhibition
PNAS, January 12, 2010; 107(2): E4 - E4.
[Full Text] [PDF]


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