Impaired practice effects following mild traumatic brain injury: An event-related potential investigation

Rogers, Jeffrey M.; Fox, Allison M.; Donnelly, James F.

doi:10.3109/02699052.2014.976273

Cited by 18 publications

(16 citation statements)

References 63 publications

(93 reference statements)

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“…For instance, the oddball condition of the current task could easily be modified for eyes-closed performance. Auditory n-back tasks are not widely used, but are available (Forn et al, 2007) and studies using similar tasks such as the Paced Auditory Serial Addition Test (The Psychological Corporation, 1998) also have demonstrated utility in EEG paradigms (Rogers et al, 2015, Rogers andFox, 2012).…”

Section: Neurosky Thinkgear Retest Reliabilitymentioning

confidence: 99%

Test-retest reliability of a single-channel, wireless EEG system

Rogers

Johnstone

Aminov

et al. 2016

International Journal of Psychophysiology

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103

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Recording systems to acquire electroencephalogram (EEG) data are traditionally lab-based. However, there are shortcomings to this method, and the ease of use and portability of emerging wireless EEG technologies offer a promising alternative. A previous validity study demonstrated data derived from a single-channel, wireless system (NeuroSky ThinkGear, San Jose, California) is comparable to EEG recorded from conventional lab-based equipment. The current study evaluated the reliability of this portable system using test-retest and reliable change analyses. Relative power (RP) of delta, theta, alpha, and beta frequency bands was derived from EEG data obtained from a single electrode over FP1 in 19 healthy youth (10-17 years old), 21 healthy adults (18-28 years old), and 19 healthy older adults (55-79 years old), during eyes-open, eyesclosed, auditory oddball, and visual n-back conditions. Intra-class correlations (ICCs) and Coefficients of Repeatability (CRs) were calculated from RP data re-collected one-day, one-week, and one-month later. Participants' levels of mood and attention were consistent across sessions. Eyes-closed resting EEG measurements using the portable device were reproducible (ICCs 0.76-0.85) at short and longer retest intervals in all three participant age groups. While still of at least fair reliability (ICCs 0.57-0.85), EEG obtained during eyes-open paradigms was less stable, and any change observed over time during these testing conditions can be interpreted utilizing the CR values provided. Combined with existing validity data, these findings encourage application of the portable EEG system for the study of brain function.

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Section: Neurosky Thinkgear Retest Reliabilitymentioning

confidence: 99%

Test-retest reliability of a single-channel, wireless EEG system

Rogers

Johnstone

Aminov

et al. 2016

International Journal of Psychophysiology

Self Cite

103

View full text Add to dashboard Cite

show abstract

“…For example, smaller than expected practice effects in older adults may herald a declining trajectory (Duff et al, 2011), poorer response to an intervention (Duff, Beglinger, Moser, Schultz, & Paulsen, 2010), or greater risk of Alzheimer’s-related pathology (Duff, Foster, & Hoffman, 2014; Galvin et al, 2005; Mormino et al, 2014). The potential for practice effects to inform clinicians and researchers about cognitive course, treatment response, and brain pathology has also been examined in neurodegenerative disorders (Duff et al, 2007), traumatic brain injury (Rogers, Fox, & Donnelly, 2015), and stroke (Chiu et al, 2014). Ultimately, practice effects may provide valuable information in clinical (e.g., accurately identifying early cognitive decline) and research (e.g., identifying at-risk subjects for clinical trials) settings.…”

mentioning

confidence: 99%

Short-term practice effects in mild cognitive impairment: Evaluating different methods of change

Duff

Atkinson

Suhrie

et al. 2016

Journal of Clinical and Experimental Neuropsychology

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Practice effects are improvements on cognitive tests as a result of repeated exposure to testing material. However, variability exists in the literature about whether patients with amnestic mild cognitive impairment (MCI) display practice effects, which may be partially due to the methods used to calculate these changes on repeated tests. The purpose of the current study was to examine multiple methods of assessing short-term practice effects in 58 older adults with MCI. The cognitive battery, which included tests of memory (Hopkins Verbal Learning Test–Revised and Brief Visuospatial Memory Test–Revised) and processing speed (Symbol Digit Modalities Test and Trail Making Test Parts A and B), was administered twice across one week. Dependent t tests showed statistically significant improvement on memory scores (ps < .01, ds = 0.8–1.3), but not on processing speed scores. Despite this, the sample showed no clinically meaningful improvement on any cognitive scores using three different reliable change indices. Regression-based change scores did identify relatively large groups of participants who showed smaller than expected practice effects, which may indicate that this method is more sensitive in identifying individuals who may portend a declining trajectory. Practice effects remain a complex construct, worthy of continued investigation in diverse clinical conditions.

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“…Longer duration of sleep was correlated with larger amplitudes of the PN and the target detection‐related P300a, implying the engagement of greater attentional resources during the task. PN is associated with executive attentional capacity and resource allocation . Therefore, the finding that inadequate sleep is associated with lower PN amplitude suggests a decreased attention capability.…”

Section: Discussionmentioning

confidence: 99%

“…PN is associated with executive attentional capacity and resource allocation. 26 Therefore, the finding that inadequate sleep is associated with lower PN amplitude suggests a decreased attention capability. To our knowledge, there have been no other studies that report the effect of sleep on PN.…”

Section: Discussionmentioning

confidence: 99%

Sleep correlates of brain network activation and clinical measures in youth American football players

2019

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Insufficient sleep can alter cognitive function and increase symptom reporting. We hypothesized that average sleep duration in youth American football players would correlate with higher‐level processing event‐related potentials (ERPs), symptom reporting, and objective measures of cognitive function on neuropsychological testing. We performed a prospective observational cohort study with 70 middle school and 64 high school American football players. Subjects completed preseason baseline assessments, including paper‐pencil and computerized neuropsychological testing, a symptom scale, a neurological evaluation including self‐reported sleep characteristics, and a Brain Network Activation (BNA) auditory oddball task assessing ERP activity. There was a correlation between shorter sleep duration and decreased capacity for memory and attention based on ERP amplitudes and latencies. Additionally, subjects with short sleep reported more “balance problems” and “sensitivity to noise,” and feeling less “nervous or anxious” compared to subjects reporting recommended sleep. High school subjects with short sleep were also more likely to have a diagnosis of headache or migraine. There were no differences between the short and recommended sleep groups on neuropsychological testing. BNA may be a more sensitive measure of cognition than neuropsychological testing or standard clinical evaluation, detecting pre‐clinical markers of decreased memory and attention capacity in athletes with short sleep duration.

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Impaired practice effects following mild traumatic brain injury: An event-related potential investigation

Abstract: These preliminary results suggest sustained mental effort is required to achieve 'normal' performance levels following mTBI and support the use of practice-related, ERP indices of recovery from mTBI as a sensitive correlate of persistent post-concussion symptoms.

Cited by 18 publications

References 63 publications

Test-retest reliability of a single-channel, wireless EEG system

Test-retest reliability of a single-channel, wireless EEG system

Short-term practice effects in mild cognitive impairment: Evaluating different methods of change

Sleep correlates of brain network activation and clinical measures in youth American football players

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