Time discrimination and change detection could share a common brain network: findings of a task-based fMRI study
Keywords: 
Área de Medicina Clínica y Epidemiología
Time discrimination
fMRI
Cognitive control
Cognition
Salience
Oddball paradigm
Change detection
Time perception
Issue Date: 
2023
Project: 
info:eu-repo/grantAgreement/ISCIII/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016 (ISCIII)/PI17%2F00240/ES/REDES CEREBRALES DE PROCESAMIENTO TEMPORAL EN PACIENTES ESTABLES CON ESQUIZOFRENIA FRENTE A TRASTORNO BIPOLAR
ISSN: 
1664-1078
Note: 
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Citation: 
Goena-Vives, J. (Javier María); Alustiza-Quintana, I. (Irene Lucila); Vidal-Adroher, C. (Cristina); et al. "Time discrimination and change detection could share a common brain network: findings of a task-based fMRI study". Frontiers in psychology. 14, 2023, 1110972
Abstract
IntroductionOver the past few years, several studies have described the brain activation pattern related to both time discrimination (TD) and change detection processes. We hypothesize that both processes share a common brain network which may play a significant role in more complex cognitive processes. The main goal of this proof-of-concept study is to describe the pattern of brain activity involved in TD and oddball detection (OD) paradigms, and in processes requiring higher cognitive effort. MethodsWe designed an experimental task, including an auditory test tool to assess TD and OD paradigms, which was conducted under functional magnetic resonance imaging (fMRI) in 14 healthy participants. We added a cognitive control component into both paradigms in our test tool. We used the general linear model (GLM) to analyze the individual fMRI data images and the random effects model for group inference. ResultsWe defined the areas of brain activation related to TD and OD paradigms. We performed a conjunction analysis of contrast TD (task > control) and OD (task > control) patterns, finding both similarities and significant differences between them. DiscussionWe conclude that change detection and other cognitive processes requiring an increase in cognitive effort require participation of overlapping functional and neuroanatomical components, suggesting the presence of a common time and change detection network. This is of particular relevance for future research on normal cognitive functioning in the healthy population, as well as for the study of cognitive impairment and clinical manifestations associated with various neuropsychiatric conditions such as schizophrenia.

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