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Cerebral Cortex
Article
License: implied-oa
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PubMed Central
Other literature type . 2015
License: CC BY
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Cerebral Cortex
Article . 2013 . Peer-reviewed
Data sources: Crossref
Cerebral Cortex
Article . 2015
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TMS Over V5 Disrupts Motion Prediction

Authors: Vetter, Petra; Grosbras, Marie-Helene; Muckli, Lars;

TMS Over V5 Disrupts Motion Prediction

Abstract

Given the vast amount of sensory information the brain has to deal with, predicting some of this information based on the current context is a resource-efficient strategy. The framework of predictive coding states that higher-level brain areas generate a predictive model to be communicated via feedback connections to early sensory areas. Here, we directly tested the necessity of a higher-level visual area, V5, in this predictive processing in the context of an apparent motion paradigm. We flashed targets on the apparent motion trace in-time or out-of-time with the predicted illusory motion token. As in previous studies, we found that predictable in-time targets were better detected than unpredictable out-of-time targets. However, when we applied functional magnetic resonance imaging-guided, double-pulse transcranial magnetic stimulation (TMS) over left V5 at 13-53 ms before target onset, the detection advantage of in-time targets was eliminated; this was not the case when TMS was applied over the vertex. Our results are causal evidence that V5 is necessary for a prediction effect, which has been shown to modulate V1 activity (Alink et al. 2010). Thus, our findings suggest that information processing between V5 and V1 is crucial for visual motion prediction, providing experimental support for the predictive coding framework.

Country
Switzerland
Keywords

Male, 616.8, Motion Perception, Articles, 128.37, Neuropsychological Tests, Anticipation, Psychological, Magnetic Resonance Imaging, Transcranial Magnetic Stimulation, Young Adult, Humans, Female, Photic Stimulation, Visual Cortex, ddc: ddc:616.8, ddc: ddc:128.37

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
59
Top 10%
Top 10%
Top 10%
Green
hybrid