CDC STACKS serves as an archival repository of CDC-published products including scientific findings, journal articles, guidelines, recommendations, or other public health information authored or co-authored by CDC or funded partners.
As a repository, CDC STACKS retains documents in their original published format to ensure public access to scientific information.
i
Vacillation, indecision and hesitation in moment-by-moment decoding of monkey motor cortex
-
May 05 2015
-
-
Source: eLife. 2015; 4.
[PDF-3.53 MB]
Details:
-
Alternative Title:eLife
-
Personal Author:
-
Description:When choosing actions, we can act decisively, vacillate, or suffer momentary indecision. Studying how individual decisions unfold requires moment-by-moment readouts of brain state. Here we provide such a view from dorsal premotor and primary motor cortex. Two monkeys performed a novel decision task while we recorded from many neurons simultaneously. We found that a decoder trained using 'forced choices' (one target viable) was highly reliable when applied to 'free choices'. However, during free choices internal events formed three categories. Typically, neural activity was consistent with rapid, unwavering choices. Sometimes, though, we observed presumed 'changes of mind': the neural state initially reflected one choice before changing to reflect the final choice. Finally, we observed momentary 'indecision': delay forming any clear motor plan. Further, moments of neural indecision accompanied moments of behavioral indecision. Together, these results reveal the rich and diverse set of internal events long suspected to occur during free choice.
-
Subjects:
-
Source:
-
Pubmed ID:25942352
-
Pubmed Central ID:PMC4415122
-
Document Type:
-
Funding:
-
Volume:4
-
Collection(s):
-
Main Document Checksum:
-
Download URL:
-
File Type:
Supporting Files
-
jpeg
gif
jpeg
gif
jpeg
gif
jpeg
gif
jpeg
gif 
txt
jpeg
gif
jpeg
gif
jpeg
gif
jpeg
gif
jpeg
gif
gif
jpeg
gif
jpeg
gif
jpeg
gif
jpeg
flv
mp4
jpeg
mp4
flv
mp4
mp4
flv
mp4
mp4
gif
txt
jpeg
gif
jpeg
gif
