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The point of no return in vetoing self-initiated movements.

Abstract：

:In humans, spontaneous movements are often preceded by early brain signals. One such signal is the readiness potential (RP) that gradually arises within the last second preceding a movement. An important question is whether people are able to cancel movements after the elicitation of such RPs, and if so until which point in time. Here, subjects played a game where they tried to press a button to earn points in a challenge with a brain-computer interface (BCI) that had been trained to detect their RPs in real time and to emit stop signals. Our data suggest that subjects can still veto a movement even after the onset of the RP. Cancellation of movements was possible if stop signals occurred earlier than 200 ms before movement onset, thus constituting a point of no return.

journal_name

Proc Natl Acad Sci U S A

journal_title

Proceedings of the National Academy of Sciences of the United States of America

authors

Schultze-Kraft M,Birman D,Rusconi M,Allefeld C,Görgen K,Dähne S,Blankertz B,Haynes JD

doi

10.1073/pnas.1513569112

subject

Has Abstract

pub_date

2016-01-26 00:00:00

pages

1080-5

issue

4

eissn

0027-8424

issn

1091-6490

pii

1513569112

journal_volume

113

pub_type

杂志文章

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