Publication

Multisubject Decomposition of Event-related Positivities in Cognitive Control: Tackling Age-related Changes in Reactive Control

Enriquez-Geppert, S. & Barceló, F., Jan-2018, In : Brain Topography. 31, 1, p. 17-34 19 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Enriquez-Geppert, S., & Barceló, F. (2018). Multisubject Decomposition of Event-related Positivities in Cognitive Control: Tackling Age-related Changes in Reactive Control. Brain Topography, 31(1), 17-34. https://doi.org/10.1007/s10548-016-0512-4

Author

Enriquez-Geppert, Stefanie ; Barceló, Francisco. / Multisubject Decomposition of Event-related Positivities in Cognitive Control : Tackling Age-related Changes in Reactive Control. In: Brain Topography. 2018 ; Vol. 31, No. 1. pp. 17-34.

Harvard

Enriquez-Geppert, S & Barceló, F 2018, 'Multisubject Decomposition of Event-related Positivities in Cognitive Control: Tackling Age-related Changes in Reactive Control', Brain Topography, vol. 31, no. 1, pp. 17-34. https://doi.org/10.1007/s10548-016-0512-4

Standard

Multisubject Decomposition of Event-related Positivities in Cognitive Control : Tackling Age-related Changes in Reactive Control. / Enriquez-Geppert, Stefanie; Barceló, Francisco.

In: Brain Topography, Vol. 31, No. 1, 01.2018, p. 17-34.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Enriquez-Geppert S, Barceló F. Multisubject Decomposition of Event-related Positivities in Cognitive Control: Tackling Age-related Changes in Reactive Control. Brain Topography. 2018 Jan;31(1):17-34. https://doi.org/10.1007/s10548-016-0512-4


BibTeX

@article{cb5064aae4fd4e859888c5acb9fcd091,
title = "Multisubject Decomposition of Event-related Positivities in Cognitive Control: Tackling Age-related Changes in Reactive Control",
abstract = "Age-related neurocognitive effects have been observed at different levels ranging from reduced amplitudes of even-related potentials and brain oscillations, to topography changes of brain activity. However, their association remains incompletely understood. We investigated time-frequency and time-course effects in functional networks underlying the P300 and their involvement in reactive control. Electroencephalographic (EEG) data of three different age groups (30 young: 18-26 years, 30 mid-aged: 49-58 years, 30 elderly: 65-75 years) was measured while they performed a cued colour/thickness switching task. Neural data was analysed concerning the targets. To consider restart, mixing, and switching processes, the targets´ position after a cue (first or third target) as well as their context in the single-task (distractor cue) or the mixed-task block (switch- or repeat cue) was analysed. P300 EEG data was decomposed by means of group-independent component and time-frequency analyses focusing on theta and beta oscillations. RTs generally slowed down with age (main effect group), and effects were specifically strong in targets after a switching cue (larger Cohens d). Peaking at around 300 ms, we detected five functionally independent networks reflecting the multicomponent process underlying task-switching. These networks differed in terms of their topography (parietal and frontal), their involvement in task processes (switch-specific, mixing-, restart-, and single-task processes) and in terms of frequency effects. All were affected by age, as indicated by amplitude changes of the target-P300 and power reductions most consistently shown in beta oscillations. Most extensive age-related changes were observed in one parietal network sensitive to mixing and restart processes. Changes included a topography shift, P300 and beta amplitudes, and were ongoing in the elderly group.",
keywords = "MIXING COST, IN-VITRO, INDEPENDENT COMPONENT ANALYSIS, LATENT-VARIABLE ANALYSIS, TASK-SWITCHING PARADIGM, FRONTAL-MIDLINE THETA, OLDER-ADULTS, EXECUTIVE FUNCTION, MEMORY TASK, INSTRUMENTAL ACTIVITIES",
author = "Stefanie Enriquez-Geppert and Francisco Barcel{\'o}",
year = "2018",
month = jan,
doi = "10.1007/s10548-016-0512-4",
language = "English",
volume = "31",
pages = "17--34",
journal = "Brain Topography",
issn = "0896-0267",
number = "1",

}

RIS

TY - JOUR

T1 - Multisubject Decomposition of Event-related Positivities in Cognitive Control

T2 - Tackling Age-related Changes in Reactive Control

AU - Enriquez-Geppert, Stefanie

AU - Barceló, Francisco

PY - 2018/1

Y1 - 2018/1

N2 - Age-related neurocognitive effects have been observed at different levels ranging from reduced amplitudes of even-related potentials and brain oscillations, to topography changes of brain activity. However, their association remains incompletely understood. We investigated time-frequency and time-course effects in functional networks underlying the P300 and their involvement in reactive control. Electroencephalographic (EEG) data of three different age groups (30 young: 18-26 years, 30 mid-aged: 49-58 years, 30 elderly: 65-75 years) was measured while they performed a cued colour/thickness switching task. Neural data was analysed concerning the targets. To consider restart, mixing, and switching processes, the targets´ position after a cue (first or third target) as well as their context in the single-task (distractor cue) or the mixed-task block (switch- or repeat cue) was analysed. P300 EEG data was decomposed by means of group-independent component and time-frequency analyses focusing on theta and beta oscillations. RTs generally slowed down with age (main effect group), and effects were specifically strong in targets after a switching cue (larger Cohens d). Peaking at around 300 ms, we detected five functionally independent networks reflecting the multicomponent process underlying task-switching. These networks differed in terms of their topography (parietal and frontal), their involvement in task processes (switch-specific, mixing-, restart-, and single-task processes) and in terms of frequency effects. All were affected by age, as indicated by amplitude changes of the target-P300 and power reductions most consistently shown in beta oscillations. Most extensive age-related changes were observed in one parietal network sensitive to mixing and restart processes. Changes included a topography shift, P300 and beta amplitudes, and were ongoing in the elderly group.

AB - Age-related neurocognitive effects have been observed at different levels ranging from reduced amplitudes of even-related potentials and brain oscillations, to topography changes of brain activity. However, their association remains incompletely understood. We investigated time-frequency and time-course effects in functional networks underlying the P300 and their involvement in reactive control. Electroencephalographic (EEG) data of three different age groups (30 young: 18-26 years, 30 mid-aged: 49-58 years, 30 elderly: 65-75 years) was measured while they performed a cued colour/thickness switching task. Neural data was analysed concerning the targets. To consider restart, mixing, and switching processes, the targets´ position after a cue (first or third target) as well as their context in the single-task (distractor cue) or the mixed-task block (switch- or repeat cue) was analysed. P300 EEG data was decomposed by means of group-independent component and time-frequency analyses focusing on theta and beta oscillations. RTs generally slowed down with age (main effect group), and effects were specifically strong in targets after a switching cue (larger Cohens d). Peaking at around 300 ms, we detected five functionally independent networks reflecting the multicomponent process underlying task-switching. These networks differed in terms of their topography (parietal and frontal), their involvement in task processes (switch-specific, mixing-, restart-, and single-task processes) and in terms of frequency effects. All were affected by age, as indicated by amplitude changes of the target-P300 and power reductions most consistently shown in beta oscillations. Most extensive age-related changes were observed in one parietal network sensitive to mixing and restart processes. Changes included a topography shift, P300 and beta amplitudes, and were ongoing in the elderly group.

KW - MIXING COST

KW - IN-VITRO

KW - INDEPENDENT COMPONENT ANALYSIS

KW - LATENT-VARIABLE ANALYSIS

KW - TASK-SWITCHING PARADIGM

KW - FRONTAL-MIDLINE THETA

KW - OLDER-ADULTS

KW - EXECUTIVE FUNCTION

KW - MEMORY TASK

KW - INSTRUMENTAL ACTIVITIES

U2 - 10.1007/s10548-016-0512-4

DO - 10.1007/s10548-016-0512-4

M3 - Article

C2 - 27522402

VL - 31

SP - 17

EP - 34

JO - Brain Topography

JF - Brain Topography

SN - 0896-0267

IS - 1

ER -

ID: 36475045