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Idowu MI, Szameitat AJ, Parton A. The assessment of executive function abilities in healthy and neurodegenerative aging-A selective literature review. Front Aging Neurosci 2024; 16:1334309. [PMID: 38596597 PMCID: PMC11002121 DOI: 10.3389/fnagi.2024.1334309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 02/26/2024] [Indexed: 04/11/2024] Open
Abstract
Numerous studies have examined executive function (EF) abilities in cognitively healthy older adults and those living with mild cognitive impairment (MCI) and Alzheimer's disease (AD). Currently, there are no standard accepted protocols for testing specific EFs; thus, researchers have used their preferred tool, which leads to variability in assessments of decline in a particular ability across studies. Therefore, there is a need for guidance as to the most sensitive tests for assessing EF decline. A search of the most current literature published between 2000 and 2022 on EF studies assessing cognitively healthy older adults and individuals living with MCI and AD was conducted using PubMed/Medline, PsycINFO, Embase, Web of Science, and Google Scholar. Emphasis was placed on the EF's dual-tasking, inhibition, shifting or switching, and working memory updating. Many tasks and their outcomes were reviewed. Of particular importance was the difference in outcomes for tasks applied to the same group of participants. These various EF assessment tools demonstrate differences in effectively identifying decline in EF ability due to the aging process and neurodegenerative conditions, such as MCI and AD. This review identifies various factors to consider in using particular EF tasks in particular populations, including task demand and stimuli factors, and also when comparing differing results across studies.
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Affiliation(s)
- Mojitola I. Idowu
- Centre for Cognitive and Clinical Neuroscience (CCN), College of Health, Medicine and Life Sciences, Division of Psychology, Department of Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | | | - Andrew Parton
- Centre for Cognitive and Clinical Neuroscience (CCN), College of Health, Medicine and Life Sciences, Division of Psychology, Department of Life Sciences, Brunel University London, Uxbridge, United Kingdom
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2
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Sadus K, Schubert AL, Löffler C, Hagemann D. An explorative multiverse study for extracting differences in P3 latencies between young and old adults. Psychophysiology 2024; 61:e14459. [PMID: 37950379 DOI: 10.1111/psyp.14459] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 09/07/2023] [Accepted: 09/21/2023] [Indexed: 11/12/2023]
Abstract
It is well established that P3 latencies increase with age. Investigating these age-related differences requires numerous methodological decisions, resulting in pipelines of great variation. The aim of the present work was to investigate the effects of different analytical pipelines on the age-related differences in P3 latencies in real data. Therefore, we conducted an explorative multiverse study and varied the low-pass filter (4 Hz, 8 Hz, 16 Hz, 32 Hz, and no filter), the latency type (area vs. peak), the level of event-related potential analysis (single participant vs. jackknifing), and the extraction method (manual vs. automated). Thirty young (18-21 years) and 30 old (50-60 years) participants completed three tasks (Nback task, Switching task, Flanker task), while an EEG was recorded. The results show that different analysis strategies can have a tremendous impact on the detection and magnitude of the age effect, with effect sizes ranging from 0% to 88% explained variance. Likewise, regarding the psychometric properties of P3 latencies, we found that the reliabilities fluctuated between rtt = .20 and 1.00, while the homogeneities ranged from rh = -.12 to .90. Based on predefined criteria, we found that the most effective pipelines relied on a manual extraction based on a single participant's data. For peak latencies, manual extraction performed well for all filters except for 4 Hz, while for area latencies, filters above 8 Hz produced desirable results. Furthermore, our findings add to the evidence that jackknifing combined with peak latencies can lead to inconclusive results.
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Affiliation(s)
- Kathrin Sadus
- Institute of Psychology, Heidelberg University, Heidelberg, Germany
| | | | - Christoph Löffler
- Institute of Psychology, Heidelberg University, Heidelberg, Germany
- Department of Psychology, University of Mainz, Mainz, Germany
| | - Dirk Hagemann
- Institute of Psychology, Heidelberg University, Heidelberg, Germany
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3
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Hsieh S, Chen EH. Specific but not general declines in attention and executive function with aging: Converging cross-sectional and longitudinal evidence across the adult lifespan. Front Psychol 2023; 14:1108725. [PMID: 37008838 PMCID: PMC10050892 DOI: 10.3389/fpsyg.2023.1108725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 02/24/2023] [Indexed: 03/17/2023] Open
Abstract
ObjectiveAttention and executive function (EF) are vulnerable to aging. However, whether all these functions generally decline with aging is not known. Furthermore, most evidence is based on cross-sectional data and fewer follow-up data are available in the literature. Longitudinal follow-up studies are necessary to characterize individualized and precise changes in cognitive function. Additionally, relatively few aging studies have included middle-aged adults to examine age-related differences in attention and EF. Therefore, this study aims to examine whether general or specific attention and EF decline with aging from adulthood to old age by combining cross-sectional and longitudinal follow-up approaches.MethodsThis study recruited 253 participants aged 20 to 78 years. passing a prescreening procedure (see main text for detail) for the baseline session, and 123 of them were invited to return 1 ~ 2 years after their first visit to participate in the follow-up session. The participants completed a series of attention and EF tasks at both the baseline and follow-up sessions, which measured alerting, orienting, conflict control, stopping, memory updating, and switching abilities. We applied linear and nonlinear regression models to evaluate the cross-sectional age effect on attention and EF and employed a modified Brinley plot to inspect follow-up performance against baseline in attention and EF.ResultsThe results of cross-sectional data showed that older adults exhibited decreased efficiency in alerting, stopping, and memory updating but paradoxically increased efficiency in conflict control and switching abilities and no changes in orienting efficiency with age. However, the results of longitudinal data showed that only alerting and memory updating continued to show decreased efficiency. Furthermore, conflict control and switching showed increased efficiency with aging, whereas the orienting network, and stopping no longer showed decreased efficiency.ConclusionThus, converging the cross-sectional and longitudinal data showed that the alerting and memory updating function exhibited the most robust deficit with age (cross-sectional) and aging (longitudinal). Alerting and memory updating abilities are crucial survival skills for human beings. Therefore, developing methods to prevent and improve an individual’s alertness and working memory ability is an important practical issue in aging research.
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Affiliation(s)
- Shulan Hsieh
- Cognitive Electrophysiology Laboratory: Control, Aging, Sleep, and Emotion (CASE), Department of Psychology, National Cheng Kung University, Tainan, Taiwan
- Institute of Allied Health Sciences, National Cheng Kung University, Tainan, Taiwan
- Department of Public Health, National Cheng Kung University, Tainan, Taiwan
- *Correspondence: Shulan Hsieh,
| | - En-Ho Chen
- Cognitive Electrophysiology Laboratory: Control, Aging, Sleep, and Emotion (CASE), Department of Psychology, National Cheng Kung University, Tainan, Taiwan
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Nashiro K, Yoo HJ, Cho C, Min J, Feng T, Nasseri P, Bachman SL, Lehrer P, Thayer JF, Mather M. Effects of a Randomised Trial of 5-Week Heart Rate Variability Biofeedback Intervention on Cognitive Function: Possible Benefits for Inhibitory Control. Appl Psychophysiol Biofeedback 2023; 48:35-48. [PMID: 36030457 PMCID: PMC9420180 DOI: 10.1007/s10484-022-09558-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2022] [Indexed: 12/01/2022]
Abstract
Previous research suggests that higher heart rate variability (HRV) is associated with better cognitive function. However, since most previous findings on the relationship between HRV and cognitive function were correlational in nature, it is unclear whether individual differences in HRV play a causal role in cognitive performance. To investigate whether there are causal relationships, we used a simple breathing manipulation that increases HRV through a 5-week HRV biofeedback intervention and examined whether this manipulation improves cognitive performance in younger and older adults (N = 165). The 5-week HRV biofeedback intervention did not significantly improve inhibitory control, working memory and processing speed across age groups. However, improvement in the Flanker score (a measure of inhibition) was associated with the amplitude of heart rate oscillations during practice sessions in the younger and older intervention groups. Our results suggest that daily practice to increase heart rate oscillations may improve inhibitory control, but future studies using longer intervention periods are warranted to replicate the present finding.
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Affiliation(s)
- Kaoru Nashiro
- University of Southern California, 3715 McClintock Avenue, Los Angeles, CA, 90089, USA.
| | - Hyun Joo Yoo
- University of Southern California, 3715 McClintock Avenue, Los Angeles, CA, 90089, USA
| | - Christine Cho
- University of Southern California, 3715 McClintock Avenue, Los Angeles, CA, 90089, USA
| | - Jungwon Min
- University of Southern California, 3715 McClintock Avenue, Los Angeles, CA, 90089, USA
| | - Tiantian Feng
- University of Southern California, 3715 McClintock Avenue, Los Angeles, CA, 90089, USA
| | - Padideh Nasseri
- University of Southern California, 3715 McClintock Avenue, Los Angeles, CA, 90089, USA
| | - Shelby L Bachman
- University of Southern California, 3715 McClintock Avenue, Los Angeles, CA, 90089, USA
| | | | | | - Mara Mather
- University of Southern California, 3715 McClintock Avenue, Los Angeles, CA, 90089, USA
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5
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Rabi R, Chow R, Paracha S, Hasher L, Gardner S, Anderson ND, Alain C. Time of Day Effects on Inhibitory Functioning: Cognitive and Neural Evidence of Sundowning in Amnestic Mild Cognitive Impairment. J Alzheimers Dis 2022; 90:869-890. [DOI: 10.3233/jad-220580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: Amnestic mild cognitive impairment (aMCI), a prodromal phase of Alzheimer’s disease (AD), is characterized by episodic memory dysfunction, but inhibitory deficits have also been commonly reported. Time of day (TOD) effects have been confirmed in 1) healthy aging on cognitive processes such as inhibitory control, and 2) on behavior in AD (termed the sundowning effect), but no such research has addressed aMCI. Objective: The present study examined the impact of TOD on the behavioral and electrophysiological correlates of inhibition in 54 individuals with aMCI and 52 healthy controls (HCs), all of morning chronotype. Methods: Participants were randomly assigned to complete two inhibition tasks (Go-NoGo and Flanker) during their optimal (morning) or non-optimal (evening) TOD, while electroencephalography was recorded. Results: Both tasks elicited changes in N2 and P3 event-related potential (ERP) components, which commonly index inhibitory functioning. Analyses showed that the Go-NoGo difference in P3 amplitude was reduced in individuals with aMCI relative to HCs. Compared to HCs, the Flanker difference in P3 amplitude was also reduced and coincided with more errors in the aMCI group. Notably, these behavioral and ERP differences were exaggerated in the non-optimal TOD relative to the optimal TOD. Conclusion: Findings confirm the presence of inhibition deficits in aMCI and provide novel evidence of sundowning effects on inhibitory control in aMCI. Results reinforce the need to consider the influences of TOD in clinical assessments involving individuals with aMCI.
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Affiliation(s)
- Rahel Rabi
- Rotman Research Institute, Baycrest Centre, Toronto, Ontario, Canada
- Department of Psychology, York University, Toronto, Ontario, Canada
| | - Ricky Chow
- Rotman Research Institute, Baycrest Centre, Toronto, Ontario, Canada
| | - Shahier Paracha
- Rotman Research Institute, Baycrest Centre, Toronto, Ontario, Canada
| | - Lynn Hasher
- Rotman Research Institute, Baycrest Centre, Toronto, Ontario, Canada
- Department of Psychology, University of Toronto, Ontario, Canada
| | - Sandra Gardner
- Rotman Research Institute, Baycrest Centre, Toronto, Ontario, Canada
- Biostatistics Division, Dalla Lana School of Public Health, University of Toronto, Ontario, Canada
| | - Nicole D. Anderson
- Rotman Research Institute, Baycrest Centre, Toronto, Ontario, Canada
- Department of Psychology, University of Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Ontario, Canada
| | - Claude Alain
- Rotman Research Institute, Baycrest Centre, Toronto, Ontario, Canada
- Department of Psychology, University of Toronto, Ontario, Canada
- Institute of Medical Science, University of Toronto, Ontario, Canada
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6
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Rabi R, Chow R, Paracha S, Hasher L, Gardner S, Anderson ND, Alain C. The Effects of Aging and Time of Day on Inhibitory Control: An Event-Related Potential Study. Front Aging Neurosci 2022; 14:821043. [PMID: 35360220 PMCID: PMC8963784 DOI: 10.3389/fnagi.2022.821043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/17/2022] [Indexed: 12/03/2022] Open
Abstract
Time of day (TOD) influences on executive functions have been widely reported, with greater efficiency demonstrated at optimal relative to non-optimal TOD according to one's chronotype (i.e., synchrony effect). Older adults (OAs) show declines in inhibitory control and are more sensitive to the effects of circadian variation on executive functioning. To date, no studies have investigated the effects of TOD and aging on executive functioning using electrophysiological measures. The present study investigated the effects of aging and TOD on the neural correlates of inhibitory processing (N2 and P3) using event-related potentials (ERPs). Go-NoGo and Flanker tasks were administered to 52 OAs of morning chronotype and 51 younger adults (YAs) of afternoon-to-evening chronotype who were randomly assigned to morning or afternoon test sessions, with the optimal TOD for OAs in the morning and for YAs in the afternoon/evening. While behavioral results demonstrated no TOD effects, ERPs indicated synchrony effects. Both YAs and OAs showed greater modulation of Go-NoGo N2 and greater P3 amplitude during the non-optimal than optimal TOD, consistent with the synchrony effect. For the Flanker task, age differences in P3 amplitude were only apparent during the non-optimal TOD. These results suggest that processes associated with inhibitory control are differentially affected by TOD and aging, with age-related reductions in inhibitory efficiency during off-peak test times on measures of interference control. These findings highlight the sensitivity of ERPs to detect TOD effects in the absence of behavioral differences, confirm more pronounced TOD effects in OAs relative to YAs on ERP measures of interference control, and reinforce the need to assess and control for circadian typology in research studies.
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Affiliation(s)
- Rahel Rabi
- Baycrest Centre, Rotman Research Institute, Toronto, ON, Canada
| | - Ricky Chow
- Baycrest Centre, Rotman Research Institute, Toronto, ON, Canada
| | - Shahier Paracha
- Baycrest Centre, Rotman Research Institute, Toronto, ON, Canada
| | - Lynn Hasher
- Baycrest Centre, Rotman Research Institute, Toronto, ON, Canada
- Department of Psychology, University of Toronto, Toronto, ON, Canada
| | - Sandra Gardner
- Baycrest Centre, Rotman Research Institute, Toronto, ON, Canada
- Biostatistics Division, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Nicole D. Anderson
- Baycrest Centre, Rotman Research Institute, Toronto, ON, Canada
- Department of Psychology, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Claude Alain
- Baycrest Centre, Rotman Research Institute, Toronto, ON, Canada
- Department of Psychology, University of Toronto, Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
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Veríssimo J, Verhaeghen P, Goldman N, Weinstein M, Ullman MT. Evidence that ageing yields improvements as well as declines across attention and executive functions. Nat Hum Behav 2022; 6:97-110. [PMID: 34413509 DOI: 10.1038/s41562-021-01169-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 06/22/2021] [Indexed: 02/07/2023]
Abstract
Many but not all cognitive abilities decline during ageing. Some even improve due to lifelong experience. The critical capacities of attention and executive functions have been widely posited to decline. However, these capacities are composed of multiple components, so multifaceted ageing outcomes might be expected. Indeed, prior findings suggest that whereas certain attention/executive functions clearly decline, others do not, with hints that some might even improve. We tested ageing effects on the alerting, orienting and executive (inhibitory) networks posited by Posner and Petersen's influential theory of attention, in a cross-sectional study of a large sample (N = 702) of participants aged 58-98. Linear and nonlinear analyses revealed that whereas the efficiency of the alerting network decreased with age, orienting and executive inhibitory efficiency increased, at least until the mid-to-late 70s. Sensitivity analyses indicated that the patterns were robust. The results suggest variability in age-related changes across attention/executive functions, with some declining while others improve.
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Affiliation(s)
- João Veríssimo
- Center of Linguistics, School of Arts and Humanities, University of Lisbon, Lisbon, Portugal. .,Department of Linguistics, University of Potsdam, Potsdam, Germany.
| | - Paul Verhaeghen
- School of Psychology, Georgia Institute of Technology, Atlanta, GA, USA
| | - Noreen Goldman
- Office of Population Research, Princeton University, Princeton, NJ, USA
| | - Maxine Weinstein
- Center for Population and Health, Georgetown University, Washington, DC, USA
| | - Michael T Ullman
- Department of Neuroscience, Georgetown University, Washington, DC, USA.
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8
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Scrivano RM, Kieffaber PD. Behavioral and electrophysiological correlates of Simon and flanker conflict interference in younger and older adults. AGING NEUROPSYCHOLOGY AND COGNITION 2021; 29:318-348. [PMID: 33472533 DOI: 10.1080/13825585.2021.1874278] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Conflict processing and interference control have been popular topics of research in the study of pathological brain aging. However, there remains much to be learned about how these cognitive processes are altered in the course of healthy brain aging. Moreover, few studies have combined multiple measures of interference control using factorial designs. The aim of this study was to determine the nature of age-related changes in behavioral and electroencephalographic correlates of interference control using a factorial combination of the Simon and flanker interference conditions. Data were collected from a group of younger and high-functioning older adults. Behavioral results indicated the presence of conflict interference effects in both groups, that both Simon and flanker conflict effects are increased in high-functioning older adults, that the two types of conflict interference interact superadditively, and that older adults are more susceptible to the superadditive costs of multiple conflict types. ERP analyses revealed that early perceptual and response-selection processes are differentially modulated by flanker and Simon conflict respectively, however, there was no evidence that these early processes were impaired in older adults. Later components of the ERP in the P3 time range mirrored behavioral results, reflecting the increased susceptibility to flanker and Simon conflict in older adults.
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Affiliation(s)
- Rachel M Scrivano
- The College of Social Work, the Ohio State University, Columbus, United States
| | - Paul D Kieffaber
- Department of Psychological Sciences, College of William & Mary, Williamsburg, United States
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9
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Lennox K, Miller RK, Martin FH. Habitual exercise affects inhibitory processing in young and middle age men and women. Int J Psychophysiol 2019; 146:73-84. [DOI: 10.1016/j.ijpsycho.2019.08.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 08/19/2019] [Accepted: 08/20/2019] [Indexed: 12/12/2022]
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10
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Almabruk T, Tan T, Khan MM. EEG Based Network Connectivity Classification in 7 and 9 Years- Old Children. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2018; 2018:243-246. [PMID: 30440383 DOI: 10.1109/embc.2018.8512187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Investigating the brain neural pathways requires extensive knowledge of childrens' cognitive development. Significant variations in the cognitive process of a child, across ages, were assessed through the success in recognizing various stimuli. Longitudinal EEG data were gathered from 45 healthy children at the ages of seven and nine years. During the EEG data acquisition, children were asked to respond to the Flanker stimuli for investigating the development of the response conflict process. In each age group, the coherence and imaginary component of coherency were used to assess the network connectivity of each child. The congruent and incongruent stimuli were tried within delta, theta, alpha and beta bands. Following that, efficacies of various classification algorithms were tested in discriminating the coherency data of the two age groups. It was observed that brain connectivity was more helpful in distinguishing between two age groups using the incongruent Flanker stimuli. For the incongruent condition, the imaginary part of the coherency provides better features for classification. Using the features derived from the theta, alpha and beta bands, a classification accuracy of more than 94.31% could be achieved using the naïve Bayes classifier.
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11
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de Bruin A, Sala SD. Effects of age on inhibitory control are affected by task-specific features. Q J Exp Psychol (Hove) 2018; 71:1219-1233. [PMID: 28776486 DOI: 10.1080/17470218.2017.1311352] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Older adults have been argued to have impoverished inhibitory control compared to younger adults. However, these effects of age may depend on processing speed and their manifestation may furthermore depend on the type of inhibitory control task that is used. We present two experiments that examine age effects on inhibition across three tasks: a Simon arrow, static flanker and motion flanker task. The results showed overall slower reaction times (RTs) for older adults on all three tasks. However, effects of age on inhibition costs were only found for the Simon task, but not for the two flanker tasks. The motion flanker task furthermore showed an effect of baseline processing speed on the relation between age and inhibition costs. Older adults with slower baseline responses showed smaller inhibition costs, suggesting they were affected less by the flanker items than faster older adults. These findings suggest that effects of age on inhibition are task dependent and can be modulated by task-specific features such as the type of interference, type of stimuli and processing speed.
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Affiliation(s)
- Angela de Bruin
- 1 Human Cognitive Neuroscience, Psychology Department, University of Edinburgh, Edinburgh, UK.,2 Basque Center on Cognition, Brain and Language, Donostia, Spain
| | - Sergio Della Sala
- 1 Human Cognitive Neuroscience, Psychology Department, University of Edinburgh, Edinburgh, UK.,3 Centre for Cognitive Ageing and Cognitive Epidemiology, Psychology Department, University of Edinburgh, Edinburgh, UK
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12
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Walk AM, Raine LB, Kramer AF, Cohen NJ, Khan NA, Hillman CH. Differential Effects of Carbohydrates on Behavioral and Neuroelectric Indices of Selective Attention in Preadolescent Children. Front Hum Neurosci 2017; 11:614. [PMID: 29326572 PMCID: PMC5742340 DOI: 10.3389/fnhum.2017.00614] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 12/04/2017] [Indexed: 11/28/2022] Open
Abstract
The importance of breakfast consumption for ideal cognitive performance has received much attention in recent years, although research on the topic has yielded mixed results. The present study utilized event-related brain potentials (ERPs) elicited during a modified flanker task to investigate the neuroelectric implications of receiving different mixed macronutrient beverages after an overnight fast. A repeated measures design was employed whereby preadolescent participants (9–10 years of age) completed cognitive testing while ERPs were collected during two non-consecutive testing sessions, one in which they received one of three treatment beverages consisting of mixed-macronutrient formulations (either Carbohydrate Blend, Sucrose, Maltodextrin) and the other in which they received a placebo drink containing Sucralose. Performance indices, ERPs, and blood glucose were recorded at three time points before the testing session and after the ingestion of each drink. While the behavioral performance indices and N2 results showed some evidence of glucose facilitation, the effects were small and selective. Participants who received the Maltodextrin treatment showed faster reaction times and more stable N2 amplitudes after ingesting the treatment beverage. The most robust effects were seen in the P3 amplitude measurement. Across the three drink groups, participants showed a marked amplitude increase over time after the placebo drink was ingested, although P3 amplitudes remained stable when a carbohydrate treatment drink was ingested. These effects were eliminated when changes in blood glucose were accounted for, suggesting that the neurolectric effects were directly related to glycemic change. These findings suggest that ingestion of carbohydrates after an overnight fast results in changes to the P3 amplitude of the ERP waveform elicited during an attentional inhibition task.
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Affiliation(s)
- Anne M Walk
- Department of Kinesiology and Community Health, University of Illinois, Urbana-Champaign, Champaign, IL, United States
| | - Lauren B Raine
- Department of Psychology, Northeastern University, Boston, MA, United States
| | - Arthur F Kramer
- Department of Psychology, Northeastern University, Boston, MA, United States.,Beckman Institute, University of Illinois, Urbana-Champaign, Champaign, IL, United States
| | - Neal J Cohen
- Beckman Institute, University of Illinois, Urbana-Champaign, Champaign, IL, United States.,Department of Psychology, University of Illinois, Urbana-Champaign, Champaign, IL, United States.,Center for Learning, Nutrition, & Memory, University of Illinois, Urbana-Champaign, Champaign, IL, United States
| | - Naiman A Khan
- Department of Kinesiology and Community Health, University of Illinois, Urbana-Champaign, Champaign, IL, United States.,Division of Nutritional Sciences, University of Illinois, Urbana-Champaign, Champaign, IL, United States
| | - Charles H Hillman
- Department of Psychology, Northeastern University, Boston, MA, United States.,Department of Health Science, Northeastern University, Boston, MA, United States
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13
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Gratton G, Cooper P, Fabiani M, Carter CS, Karayanidis F. Dynamics of cognitive control: Theoretical bases, paradigms, and a view for the future. Psychophysiology 2017; 55. [DOI: 10.1111/psyp.13016] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 09/01/2017] [Accepted: 09/06/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Gabriele Gratton
- Department of Psychology and Beckman InstituteUniversity of Illinois at Urbana‐ChampaignUrbana Illinois USA
| | - Patrick Cooper
- School of PsychologyUniversity of NewcastleNewcastle New South Wales Australia
| | - Monica Fabiani
- Department of Psychology and Beckman InstituteUniversity of Illinois at Urbana‐ChampaignUrbana Illinois USA
| | - Cameron S. Carter
- Departments of Psychiatry and PsychologyUniversity of California–DavisDavis California USA
| | - Frini Karayanidis
- School of PsychologyUniversity of NewcastleNewcastle New South Wales Australia
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14
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15
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Provost A, Jamadar S, Heathcote A, Brown SD, Karayanidis F. Intertrial RT variability affects level of target‐related interference in cued task switching. Psychophysiology 2017; 55. [DOI: 10.1111/psyp.12971] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 06/27/2017] [Accepted: 06/29/2017] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander Provost
- School of PsychologyUniversity of NewcastleCallaghan New South Wales Australia
- Priority Research Centre for Brain and Mental Health, University of NewcastleCallaghan New South Wales Australia
| | - Sharna Jamadar
- Australian Research Council Centre of Excellence for Integrative Brain FunctionCanberra Australian Capital Territory Australia
- Monash Biomedical Imaging, Monash UniversityMelbourne Victoria Australia
- Monash Institute of Cognitive and Clinical Neurosciences, School of Psychological Science, Monash UniversityMelbourne Victoria Australia
| | - Andrew Heathcote
- School of PsychologyUniversity of NewcastleCallaghan New South Wales Australia
- Division of Psychology, School of MedicineUniversity of TasmaniaHobart Tasmania Australia
| | - Scott D. Brown
- School of PsychologyUniversity of NewcastleCallaghan New South Wales Australia
- Priority Research Centre for Brain and Mental Health, University of NewcastleCallaghan New South Wales Australia
| | - Frini Karayanidis
- School of PsychologyUniversity of NewcastleCallaghan New South Wales Australia
- Priority Research Centre for Brain and Mental Health, University of NewcastleCallaghan New South Wales Australia
- Priority Research Centre for Stroke and Brain Injury, University of NewcastleCallaghan New South Wales Australia
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Walk AM, Khan NA, Barnett SM, Raine LB, Kramer AF, Cohen NJ, Moulton CJ, Renzi-Hammond LM, Hammond BR, Hillman CH. From neuro-pigments to neural efficiency: The relationship between retinal carotenoids and behavioral and neuroelectric indices of cognitive control in childhood. Int J Psychophysiol 2017; 118:1-8. [PMID: 28528704 PMCID: PMC5551452 DOI: 10.1016/j.ijpsycho.2017.05.005] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 05/09/2017] [Accepted: 05/13/2017] [Indexed: 12/14/2022]
Abstract
Lutein and zeaxanthin are plant pigments known to preferentially accumulate in neural tissue. Macular Pigment Optical Density (MPOD), a non-invasive measure of retinal carotenoids and surrogate measure of brain carotenoid concentration, has been associated with disease prevention and cognitive health. Superior MPOD status in later adulthood has been shown to provide neuroprotective effects on cognition. Given that childhood signifies a critical period for carotenoid accumulation in brain, it is likely that the beneficial impact would be evident during development, though this relationship has not been directly investigated. The present study investigated the relationship between MPOD and the behavioral and neuroelectric indices elicited during a cognitive control task in preadolescent children. 49 participants completed a modified flanker task while event-related potentials (ERPs) were recorded to assess the P3 component of the ERP waveform. MPOD was associated with both behavioral performance and P3 amplitude such that children with higher MPOD had more accurate performance and lower P3 amplitudes. These relationships were more pronounced for trials requiring greater amounts of cognitive control. These results indicate that children with higher MPOD may respond to cognitive tasks more efficiently, maintaining high performance while displaying neural indices indicative of lower cognitive load. These findings provide novel support for the neuroprotective influence of retinal carotenoids during preadolescence.
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Affiliation(s)
- Anne M Walk
- Department of Kinesiology and Community Health, University of Illinois, United States
| | - Naiman A Khan
- Department of Kinesiology and Community Health, University of Illinois, United States; Division of Nutritional Sciences, University of Illinois, United States.
| | - Sasha M Barnett
- Department of Food Science, Washington State University, United States
| | - Lauren B Raine
- Department of Psychology, Northeastern University, United States
| | - Arthur F Kramer
- Department of Psychology, Northeastern University, United States; Beckman Institute of Science and Technology, University of Illinois, United States
| | - Neal J Cohen
- Beckman Institute of Science and Technology, University of Illinois, United States; Department of Psychology University of Illinois, United States
| | | | | | - Billy R Hammond
- Behavioral and Brain Sciences, University of Georgia, United States
| | - Charles H Hillman
- Department of Psychology, Northeastern University, United States; Department of Health Science, Northeastern University, United States
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17
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Connell AM, Danzo S, Dawson G. Effects of depression and past-year binge drinking on cognitive control processes during a flanker task in college-aged adults. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2017; 44:263-272. [PMID: 28726513 DOI: 10.1080/00952990.2017.1343340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Recent but largely separate literatures have examined neurocognitive alterations related to both depression and binge drinking, suggesting similar patterns of impairments in attention control and decisional processes. However, depression and problematic alcohol use tend to co-occur, and few studies have examined whether cognitive processing effects of depression and binge drinking are independent or interacting. OBJECTIVE The current study examined joint effects of depressive symptoms and past-year binge drinking on cognitive processing (measured via EEG assessment). METHODS University students aged 18 and over (N = 46; 63.4% female) were recruited based on self-reported depressive symptoms and also provided reports of alcohol use (51% reported significant depression; 46% reported at-least one past-year binge-drinking episode). Participants completed a computerized flanker task, assessing cognitive control processes. Forty-one participants providing useable data were included in analyses. RESULTS Past-year binge drinking was associated with slower and more accurate behavioral responding. The interaction of binge-drinking and depressive symptoms was related to the magnitude of early attentional components (N1 and N2), with individuals reporting high depressive symptoms and a history of binge-drinking exhibiting attenuated early attentional engagement (e.g., less negative N1) coupled with enhanced attention control processing (e.g., more negative N2). Depressive symptoms also predicted a lack of discriminated P3 amplitudes on congruent versus incongruent trials. CONCLUSION The data suggest that depression and binge drinking in the past-year jointly interact to predict early attentional processing, with the pattern of responding consistent with a compensatory response process. Results highlight the importance of future work on binge-drinking accounting for co-occurring depression.
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Affiliation(s)
- Arin M Connell
- a Case Western Reserve University , Department of Psychological Sciences , Cleveland , OH , USA
| | - Sarah Danzo
- a Case Western Reserve University , Department of Psychological Sciences , Cleveland , OH , USA
| | - Glen Dawson
- a Case Western Reserve University , Department of Psychological Sciences , Cleveland , OH , USA
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Almabruk T, Iyer K, Girdler S, Khan MM, Tan T. Response conflict processes' classification in 7 and 9 year old children using EEG brain connectivity measures. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2017; 2016:704-707. [PMID: 28268425 DOI: 10.1109/embc.2016.7590799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Investigating cognitive development of children poses interesting challenges pertaining to emergence of children's' ability to think and understand. Psychological tasks that involve conflict, like the Flanker task, are widely used to understand development of response conflict processes. In this study, EEG signals were used to examine the coherence and imaginary part of coherency within the delta, theta, alpha and beta bands across different conditions of the Flanker task. Longitudinal data were collected from a group of typically developing children at ages of seven and nine. We found that the imaginary part of coherency was more helpful in distinguishing between stimuli - alpha and beta bands resulted in 90.90% classification rate in seven year old children. The beta and theta bands were found to be more effective for stimuli classification in nine year old children - more than 84.09% classification accuracy was achieved.
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Duque J, Petitjean C, Swinnen SP. Effect of Aging on Motor Inhibition during Action Preparation under Sensory Conflict. Front Aging Neurosci 2016; 8:322. [PMID: 28082896 PMCID: PMC5186800 DOI: 10.3389/fnagi.2016.00322] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 12/12/2016] [Indexed: 01/15/2023] Open
Abstract
Motor behaviors often require refraining from selecting options that may be part of the repertoire of natural response tendencies but that are in conflict with ongoing goals. The presence of sensory conflict has a behavioral cost but the latter can be attenuated in contexts where control processes are recruited because conflict is expected in advance, producing a behavioral gain compared to contexts where conflict occurs in a less predictable way. In the present study, we investigated the corticospinal correlates of these behavioral effects (both conflict-driven cost and context-related gain). To do so, we measured motor-evoked potentials (MEPs) elicited by transcranial magnetic stimulation (TMS) over the primary motor cortex (M1) of young and healthy older adults performing the Eriksen Flanker Task. Subjects performed button-presses according to a central arrow, flanked by irrelevant arrows pointing in the same (congruent trial) or opposite direction (incongruent trial). Conflict expectation was manipulated by changing the probability of congruent and incongruent trials in a given block. It was either high (mostly incongruent blocks, MIB, 80% incongruent trials) or low (mostly congruent blocks, MCB, 80% congruent). The MEP data indicate that the conflict-driven behavioral cost is associated with a strong increase in inappropriate motor activity regardless of the age of individuals, as revealed by larger MEPs in the non-responding muscle in incongruent than in congruent trials. However, this aberrant facilitation disappeared in both groups of subjects when conflict could be anticipated (i.e., in the MIBs) compared to when it occurred in a less predictably way (MCBs), probably allowing the behavioral gain observed in both the young and the older individuals. Hence, the ability to overcome and anticipate conflict was surprisingly preserved in the older adults. Nevertheless, some control processes are likely to evolve with age because the behavioral gain observed in the MIB context was associated with an attenuated suppression of MEPs at the time of the imperative signal (i.e., before conflict is actually detected) in older individuals, suggesting altered motor inhibition, compared to young individuals. In addition, the behavioral analysis suggests that young and older adults rely on different strategies to cope with conflict, including a change in speed-accuracy tradeoff.
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Affiliation(s)
- Julie Duque
- Institute of Neuroscience, Université catholique de Louvain Brussels, Belgium
| | - Charlotte Petitjean
- Institute of Neuroscience, Université catholique de Louvain Brussels, Belgium
| | - Stephan P Swinnen
- Movement Control and Neuroplasticity Research Group, Group Biomedical Sciences, KU Leuven Leuven, Belgium
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20
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Inhibiting prepotent responses in the elderly: Distraction and disinhibition. COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2016; 16:124-34. [PMID: 26369924 DOI: 10.3758/s13415-015-0378-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
In this study, we aimed to examine whether older adults, relative to younger adults, suffer from generic inhibition, selective inhibition, and/or distraction deficits, as assessed by behavioral and electrophysiological measures in a go/no-go task paradigm that included manipulations of no-go stimulus type (irrelevant vs. conflict) and no-go probability. A total of 96 individuals were recruited; each of three experiments included 32 participants (16 adults above and 16 adults below 60 years of age). The older adults performed more poorly than the younger adults in our behavioral test; however, the event-related potential results showed that irrelevant and conflict no-go stimuli incurred different processes that were differentially impacted by aging, as was reflected in the N2 and P3. That is, the older adults' inhibition deficits might be due to different underlying mechanisms: disproportionate processing of irrelevant no-go stimuli, and disproportionate suppression of conflicting information when executing or withholding a response to conflict no-go stimuli. The present results therefore support the theories of age-related selective inhibition and distraction deficits.
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21
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Stopping ability in younger and older adults: Behavioral and event-related potential. COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2016; 17:348-363. [DOI: 10.3758/s13415-016-0483-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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22
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Duprez J, Houvenaghel JF, Argaud S, Naudet F, Dondaine T, Auffret M, Robert G, Drapier D, Vérin M, Sauleau P. Enhanced Impulsive Action Selection in Middle-Aged Adults-Insights From an Oculomotor Simon Task. Front Aging Neurosci 2016; 8:251. [PMID: 27826239 PMCID: PMC5078725 DOI: 10.3389/fnagi.2016.00251] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 10/13/2016] [Indexed: 11/17/2022] Open
Abstract
Several studies have investigated the age-related impact in cognitive action control. However, to our knowledge, none of the studies have focused on the effect of moderate age on the strength of automatic activation according to the activation-suppression model. We therefore investigated the effect of moderate age on cognitive action control using an oculomotor version of the Simon task and distributional analyses. A group of middle-aged (n = 39; 57 ± 9 years) healthy adults were compared to a group of young healthy participants (n = 43; 24 ± 3 years). We first analyzed the overall impact of age on the congruence effect and then used conditional accuracy functions (CAFs) and delta plots to assess the strength of automatic activation and selective inhibition, respectively. Compared to young participants, middle-aged participants showed a greater congruence effect as well as higher rates of fast errors in conflict situations indicating an enhanced impulsive action selection. Furthermore, the overall downward slope of the congruence effect’s evolution was significantly steeper in older participants and the last slope tended to be significantly steeper. This may indicate that the middle-aged participants exerted a stronger selective inhibition. Our results suggest that middle-aged adults are more prone to impulsive action selection than young adults. Recent theories postulate that older adults might implement compensatory mechanisms to supply cognitive difficulties. This is in line with our results suggesting a potential greater selective inhibition. Overall, this study proposes that moderate aging impacts both processes of impulsive response selection and suppression underlying cognitive action control.
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Affiliation(s)
- Joan Duprez
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1 Rennes, France
| | - Jean-François Houvenaghel
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1Rennes, France; Neurology Department, Rennes University HospitalRennes, France
| | - Soizic Argaud
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1Rennes, France; Neuroscience of Emotion and Affective Dynamics Laboratory, Swiss Center for Affective SciencesGeneva, Switzerland
| | - Florian Naudet
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1Rennes, France; Adult Psychiatry Department, Rennes University HospitalRennes, France; Clinical Investigation Center (INSERM 0203), Department of Pharmacology, Rennes University HospitalRennes, France
| | - Thibaut Dondaine
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1Rennes, France; Adult Psychiatry Department, Rennes University HospitalRennes, France
| | - Manon Auffret
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1 Rennes, France
| | - Gabriel Robert
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1Rennes, France; Adult Psychiatry Department, Rennes University HospitalRennes, France
| | - Dominique Drapier
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1Rennes, France; Adult Psychiatry Department, Rennes University HospitalRennes, France
| | - Marc Vérin
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1Rennes, France; Neurology Department, Rennes University HospitalRennes, France
| | - Paul Sauleau
- "Behavior and Basal Ganglia" Research Unit (EA 4712), University of Rennes 1Rennes, France; Neurophysiology Department, Rennes University HospitalRennes, France
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Hsieh S, Wu M, Tang CH. Adaptive Strategies for the Elderly in Inhibiting Irrelevant and Conflict No-Go Trials while Performing the Go/No-Go Task. Front Aging Neurosci 2016; 7:243. [PMID: 26779012 PMCID: PMC4701916 DOI: 10.3389/fnagi.2015.00243] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Accepted: 12/10/2015] [Indexed: 11/13/2022] Open
Abstract
This study aimed to differentiate whether or not older adults are more prone to distraction or conflict, as induced by irrelevant and conflict no-go stimuli (irNOGO and cfNOGO), respectively. This study also aimed to determine whether or not older adults would devote more effort to withholding a no-go trial in the higher-control demand condition (20% no-go trials' probability) as compared to the lower-control demand condition (50 and 80% no-go trials' probability). A total of 96 individuals were recruited, and each of the three no-go trials' probability conditions included 32 participants (16 younger adults and 16 older adults). Both behavioral and event-related potential (ERP) data were measured. The behavioral results showed that the older adults performed more poorly than the younger adults for the go trials, as reflected by slower reaction times (RTs) and higher numbers of omission errors in the go trials. In contrast, in the no-go trials, the older adults counter-intuitively exhibited similar behavioral performance (i.e., equivalent commission errors) as compared to the younger adults. The ERP data further showed that the older adults (but not the younger adults) exhibited larger P3 peak amplitudes for the irNOGO than cfNOGO trials. Yet, on the other hand, the older adults performed more poorly (i.e., had more commission errors) in the cfNOGO than irNOGO trials. These results seem to suggest that the older adults recruited more control processes in order to conquer the commitment of responses in the no-go trials, especially in the irNOGO trials. This age-related compensatory response of recruiting more control processes was specifically seen in the 20% no-go trial probability condition. This study therefore provides a deeper understanding into how older adults adopt strategies for performing the go/no-go task such as devoting more control processes to inhibiting the irNOGO trials compared to the cfNOGO trials in order to cope with their deficient inhibition ability.
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Affiliation(s)
- Shulan Hsieh
- Cognitive Electrophysiology Laboratory: Control, Aging, Sleep, and Emotion (CASE), Department of Psychology, National Cheng Kung UniversityTainan, Taiwan; Institute of Allied Health Sciences, National Cheng Kung UniversityTainan, Taiwan
| | - Mengyao Wu
- Cognitive Electrophysiology Laboratory: Control, Aging, Sleep, and Emotion (CASE), Department of Psychology, National Cheng Kung UniversityTainan, Taiwan; Department of Occupational Therapy, Shu-Zen Junior College of Medicine and ManagementKaohsiung, Taiwan
| | - Chien-Hui Tang
- Cognitive Electrophysiology Laboratory: Control, Aging, Sleep, and Emotion (CASE), Department of Psychology, National Cheng Kung University Tainan, Taiwan
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Age differences in the Attention Network Test: Evidence from behavior and event-related potentials. Brain Cogn 2016; 102:65-79. [PMID: 26760449 DOI: 10.1016/j.bandc.2015.12.007] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 12/03/2015] [Accepted: 12/22/2015] [Indexed: 11/23/2022]
Abstract
The Attention Network Test (ANT) is widely used to capture group and individual differences in selective attention. Prior behavioral studies with younger and older adults have yielded mixed findings with respect to age differences in three putative attention networks (alerting, orienting, and executive control). To overcome the limitations of behavioral data, the current study combined behavioral and electrophysiological measures. Twenty-four healthy younger adults (aged 18-29years) and 24 healthy older adults (aged 60-76years) completed the ANT while EEG data were recorded. Behaviorally, older adults showed reduced alerting, but did not differ from younger adults in orienting or executive control. Electrophysiological components related to alerting and orienting (P1, N1, and CNV) were similar in both age groups, whereas components related to executive control (N2 and P3) showed age-related differences. Together these results suggest that comparisons of network effects between age groups using behavioral data alone may not offer a complete picture of age differences in selective attention, especially for alerting and executive control networks.
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25
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Experienced stress produces inhibitory deficits in old adults' Flanker task performance: First evidence for lifetime stress effects beyond memory. Biol Psychol 2015; 113:1-11. [PMID: 26542527 DOI: 10.1016/j.biopsycho.2015.10.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 10/22/2015] [Accepted: 10/24/2015] [Indexed: 11/21/2022]
Abstract
Studies regarding aged individuals' performance on the Flanker task differ with respect to reporting impaired or intact executive control. Past work has explained this discrepancy by hypothesising that elderly individuals use increased top-down control mechanisms advantageous to Flanker performance. This study investigated this mechanism, focussing on cumulative experienced stress as a factor that may impact on its execution, thereby leading to impaired performance. Thirty elderly and thirty young participants completed a version of the Flanker task paired with electroencephalographic recordings of the alpha frequency, whose increased synchronisation indexes inhibitory processes. Among high stress elderly individuals, findings revealed a general slowing of reaction times for congruent and incongruent stimuli, which correlated with alpha desynchronisation for both stimulus categories. Results found high performing (low stress) elderly revealed neither a behavioural nor electrophysiological difference compared to young participants. Therefore, rather than impacting on top-down compensatory mechanisms, findings indicate that stress may affect elderly participants' inhibitory control in attentional and sensorimotor domains.
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26
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The boundary condition for observing compensatory responses by the elderly in a flanker-task paradigm. Biol Psychol 2014; 103:69-82. [PMID: 25168289 DOI: 10.1016/j.biopsycho.2014.08.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 08/12/2014] [Accepted: 08/12/2014] [Indexed: 11/22/2022]
Abstract
This study aimed to establish a baseline condition to observe ERP responses for older adults in a conventional flanker-task paradigm, in which neither a reversal response rule toward a target nor a color-coded target was employed. In addition, this study aimed to examine whether the previous finding of the compensatory responses reflected on event-related potential (ERP) for older adults in performing a flanker task was due to the specific demand of the reversal response rule toward a target or simply due to the pop-out effect with a singleton target manipulation. The results of the current study showed that (1) some of the previously thought-to-be compensatory ERP responses might not really reflect compensatory responses; (2) the previous finding of age-related ERP compensatory responses was mainly due to the manipulation of the reversal response rule condition; and (3) in some scenarios of flanker-task paradigms, older adults were just as capable as younger adults in conquer with the flanker interference even though no ERP compensatory responses were found.
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27
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Whitson LR, Karayanidis F, Fulham R, Provost A, Michie PT, Heathcote A, Hsieh S. Reactive control processes contributing to residual switch cost and mixing cost across the adult lifespan. Front Psychol 2014; 5:383. [PMID: 24817859 PMCID: PMC4012181 DOI: 10.3389/fpsyg.2014.00383] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Accepted: 04/11/2014] [Indexed: 11/25/2022] Open
Abstract
In task-switching paradigms, performance is better when repeating the same task than when alternating between tasks (switch cost) and when repeating a task alone rather than intermixed with another task (mixing cost). These costs remain even after extensive practice and when task cues enable advanced preparation (residual costs). Moreover, residual reaction time mixing cost has been consistently shown to increase with age. Residual switch and mixing costs modulate the amplitude of the stimulus-locked P3b. This mixing effect is disproportionately larger in older adults who also prepare more for and respond more cautiously on these “mixed” repeat trials (Karayanidis et al., 2011). In this paper, we analyze stimulus-locked and response-locked P3 and lateralized readiness potentials to identify whether residual switch and mixing cost arise from the need to control interference at the level of stimulus processing or response processing. Residual mixing cost was associated with control of stimulus-level interference, whereas residual switch cost was also associated with a delay in response selection. In older adults, the disproportionate increase in mixing cost was associated with greater interference at the level of decision-response mapping and response programming for repeat trials in mixed-task blocks. These findings suggest that older adults strategically recruit greater proactive and reactive control to overcome increased susceptibility to post-stimulus interference. This interpretation is consistent with recruitment of compensatory strategies to compensate for reduced repetition benefit rather than an overall decline on cognitive flexibility.
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Affiliation(s)
- Lisa R Whitson
- Functional Neuroimaging Laboratory, School of Psychology, University of Newcastle Callaghan, NSW, Australia ; Centre for Translational Neuroscience and Mental Health Research, The University of Newcastle Callaghan, NSW, Australia ; Hunter Medical Research Institute, New Lambton Heights NSW, Australia
| | - Frini Karayanidis
- Functional Neuroimaging Laboratory, School of Psychology, University of Newcastle Callaghan, NSW, Australia ; Centre for Translational Neuroscience and Mental Health Research, The University of Newcastle Callaghan, NSW, Australia ; Hunter Medical Research Institute, New Lambton Heights NSW, Australia
| | - Ross Fulham
- Functional Neuroimaging Laboratory, School of Psychology, University of Newcastle Callaghan, NSW, Australia ; Centre for Translational Neuroscience and Mental Health Research, The University of Newcastle Callaghan, NSW, Australia ; Hunter Medical Research Institute, New Lambton Heights NSW, Australia
| | - Alexander Provost
- Functional Neuroimaging Laboratory, School of Psychology, University of Newcastle Callaghan, NSW, Australia ; Centre for Translational Neuroscience and Mental Health Research, The University of Newcastle Callaghan, NSW, Australia ; Hunter Medical Research Institute, New Lambton Heights NSW, Australia
| | - Patricia T Michie
- Functional Neuroimaging Laboratory, School of Psychology, University of Newcastle Callaghan, NSW, Australia ; Centre for Translational Neuroscience and Mental Health Research, The University of Newcastle Callaghan, NSW, Australia ; Hunter Medical Research Institute, New Lambton Heights NSW, Australia
| | - Andrew Heathcote
- Functional Neuroimaging Laboratory, School of Psychology, University of Newcastle Callaghan, NSW, Australia ; Centre for Translational Neuroscience and Mental Health Research, The University of Newcastle Callaghan, NSW, Australia ; Hunter Medical Research Institute, New Lambton Heights NSW, Australia
| | - Shulan Hsieh
- Department of Psychology and Institute of Allied Health Sciences, National Cheng Kung University Tainan City, Taiwan
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Rey-Mermet A, Meier B. Age affects the adjustment of cognitive control after a conflict: evidence from the bivalency effect. AGING NEUROPSYCHOLOGY AND COGNITION 2014; 22:72-94. [DOI: 10.1080/13825585.2014.889070] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Alodie Rey-Mermet
- Institute of Psychology and Center for Cognition, Learning, and Memory, University of Bern, Bern, Switzerland
| | - Beat Meier
- Institute of Psychology and Center for Cognition, Learning, and Memory, University of Bern, Bern, Switzerland
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29
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Mahé G, Doignon-Camus N, Dufour A, Bonnefond A. Conflict control processing in adults with developmental dyslexia: An event related potentials study. Clin Neurophysiol 2014; 125:69-76. [DOI: 10.1016/j.clinph.2013.06.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Revised: 06/10/2013] [Accepted: 06/11/2013] [Indexed: 10/26/2022]
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30
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Positive and negative emotions modulate attention allocation in color-flanker task processing: Evidence from event related potentials. MOTIVATION AND EMOTION 2013. [DOI: 10.1007/s11031-013-9387-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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