English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
Add to Basket
  Local TagsRelease HistoryDetailsSummary

Released
Journal Article

Similar neural mechanisms for perceptual guesses and free decisions

MPS-Authors
/persons/resource/persons19557

Bode,  Stefan
Max Planck Fellow Research Group Attention and Awareness, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia;
Department of Neurology, Otto-von-Guericke University, Leipziger Strasse 44, 39120 Magdeburg, Germany;

/persons/resource/persons19558

Bogler,  Carsten
Max Planck Fellow Research Group Attention and Awareness, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Bernstein Center for Computational Neuroscience Berlin and Charité-Universitätsmedizin Berlin, Haus 6, Philippstrasse 13, 10115 Berlin, Germany;

/persons/resource/persons19699

Haynes,  John-Dylan
Max Planck Fellow Research Group Attention and Awareness, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Department of Neurology, Otto-von-Guericke University, Leipziger Strasse 44, 39120 Magdeburg, Germany;
Bernstein Center for Computational Neuroscience Berlin and Charité-Universitätsmedizin Berlin, Haus 6, Philippstrasse 13, 10115 Berlin, Germany;
Graduate Graduate School of Mind and Brain, Humboldt Universität zu Berlin, Luisenstrasse 56, Haus 1, 10099 Berlin, Germany;
Berlin Center for Advanced Neuroimaging, Charité-Universitätsmedizin Berlin, Haus 6, Philippstrasse 13, 10115 Berlin, Germany;

External Resource
No external resources are shared
Fulltext (restricted access)
There are currently no full texts shared for your IP range.
Fulltext (public)
There are no public fulltexts stored in PuRe
Supplementary Material (public)
There is no public supplementary material available
Citation

Bode, S., Bogler, C., & Haynes, J.-D. (2013). Similar neural mechanisms for perceptual guesses and free decisions. NeuroImage, 65, 456-465. doi:10.1016/j.neuroimage.2012.09.064.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000E-E297-8
Abstract
When facing perceptual choices under challenging conditions we might believe to be purely guessing. But which brain regions determine the outcome of our guesses? One possibility is that higher-level, domain-general brain regions might help break the symmetry between equal-appearing choices. Here we directly investigated whether perceptual guesses share brain networks with other types of free decisions. We trained an fMRI-based pattern classifier to distinguish between two perceptual guesses and tested whether it was able to predict the outcome of similar non-perceptual choices, as in conventional free choice tasks. Activation patterns in the medial posterior parietal cortex cross-predicted free decisions from perceptual guesses and vice versa. This inter-changeability strongly speaks for a similar neural code for both types of decisions. The posterior parietal cortex might be part of a domain-general system that helps resolve decision conflicts when no choice option is more or less likely or valuable, thus preventing behavioural stalemate.