The activity in the anterior insulae is modulated by perceptual decision-making difficulty

Highlights • This study includes four perceptual decision-making experiments. • We measured fMRI BOLD activity changes using visual and audio-visual stimuli. • Decision response times increased with the ambiguity of presented stimuli. • Bilateral insulae were activated with a varying degree of degra...

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Bibliographic Details
Published inNeuroscience Vol. 327; pp. 79 - 94
Main Authors Lamichhane, Bidhan, Adhikari, Bhim M, Dhamala, Mukesh
Format Journal Article
LanguageEnglish
Published United States Elsevier Ltd 07.07.2016
Subjects
Adult
Brain Mapping - methods
Cerebral Cortex - physiology
Decision Making - physiology
Female
functional magnetic resonance imaging
Humans
Image Processing, Computer-Assisted - methods
Magnetic Resonance Imaging - methods
Male
Nerve Net - physiology
Neurology
Photic Stimulation - methods
Reaction Time - physiology
response time
salience network
task difficulty
Young Adult
perceptual decision-making
RT
C
blood oxygen level dependent
task difficulty
INSs
GLM
MNI
anterior insulae
dorsal anterior cingulate cortex
dACC
PDM
BOLD
IC
RDM
repetition time
salience network
general linear model
fMRI
Montreal Neurological Institute
response time
color incoherence
functional magnetic resonance imaging
random dots motion
TR
color coherence
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Summary:Highlights • This study includes four perceptual decision-making experiments. • We measured fMRI BOLD activity changes using visual and audio-visual stimuli. • Decision response times increased with the ambiguity of presented stimuli. • Bilateral insulae were activated with a varying degree of degraded sensory inputs. • The activities on bilateral insulae consistently increased with task difficulty.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0306-4522
1873-7544
DOI:10.1016/j.neuroscience.2016.04.016