Neuropsychology最新文献

{"title":"Cognitive dispersion and its functional relevance in behavioral variant frontotemporal dementia and prodromal behavioral variant frontotemporal dementia.","authors":"Troy A Webber, Steven P Woods, Sara A Lorkiewicz, Holley W Yazbeck, Elaine R Schultz, Andrew M Kiselica","doi":"10.1037/neu0000969","DOIUrl":"10.1037/neu0000969","url":null,"abstract":"<p><strong>Objective: </strong>Executive dysfunction is characteristic of behavioral variant frontotemporal dementia (bvFTD) but can be challenging to detect. Dispersion-based intraindividual variability (IIV-d) is hypothesized to reflect a sensitive index of executive dysfunction and has demonstrated relevance to functional decline but has not been evaluated in bvFTD.</p><p><strong>Method: </strong>We report on 477 demographically matched participants (159 cognitively healthy [CH], 159 clinical Alzheimer's disease [AD], 159 clinical bvFTD/prodromal bvFTD) who completed the Uniform Data Set 3.0 Neuropsychological Battery. IIV-d was measured using the coefficient of variance (CoV; raw and demographically adjusted) across 12 Uniform Data Set 3.0 Neuropsychological Battery indicators and the informant-rated Functional Activities Questionnaire assessed daily functioning.</p><p><strong>Results: </strong>Analysis of covariance showed that participants in the bvFTD/prodromal bvFTD group exhibited higher raw and demographically adjusted CoV compared to CH participants, at a very large effect size (<i>d</i> = 1.28-1.47). Demographically adjusted (but not raw) CoV was lower in the bvFTD/prodromal bvFTD group than the AD group, though the effect size was small (<i>d</i> = .38). Both CoV metrics accurately differentiated the bvFTD/prodromal bvFTD and CH groups (areas under the curve = .84), but not bvFTD/prodromal bvFTD and AD groups (areas under the curve = .59). Regression analyses in the bvFTD/prodromal bvFTD group indicated that higher IIV-d on both metrics was associated with greater daily functioning impairment, over and above covariates.</p><p><strong>Conclusions: </strong>Compared to healthy adults, individuals with bvFTD/prodromal bvFTD show greater levels of performance variability across a battery of neuropsychological measures, which interferes with everyday functioning. These data demonstrate the clinical utility and ecological validity of IIV-d in bvFTD/prodromal bvFTD, though these findings should be replicated in more diverse samples. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11449635/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142110010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sprinting in two languages: Picture naming performance of older Spanish-English bilinguals on the Multilingual Naming Test Sprint 2.0.","authors":"Tamar H Gollan, Dalia L Garcia, Mayra Murillo, Jocelyn Vargas, Brandon Pulido, David P Salmon","doi":"10.1037/neu0000958","DOIUrl":"10.1037/neu0000958","url":null,"abstract":"<p><strong>Objective: </strong>The present study examined how years of immersion in a nondominant language affect (a) the degree of bilingualism as measured by picture naming scores and (b) the bilingual disadvantage relative to monolinguals.</p><p><strong>Method: </strong>Forty-two older Spanish-English bilinguals named pictures in an expanded rapid administration version of the Multilingual Naming Test (MINT Sprint 2.0) in both languages and completed a language history questionnaire. English-speaking monolinguals (<i>n</i> = 138; from Gollan et al., 2024) named pictures in just one language.</p><p><strong>Results: </strong>Spanish-dominant bilinguals named more pictures in the nondominant language but fewer pictures in the dominant language relative to English-dominant bilinguals. Increased years of immersion in the nondominant language increased naming scores in that language but decreased naming scores in the dominant language. When controlling for differences in age and education level, monolinguals named more pictures than bilinguals even in their dominant language, a difference that was numerically smaller for English-dominant bilinguals. However, two bilinguals who stated that they prefer to be tested in English scored much higher in Spanish.</p><p><strong>Conclusions: </strong>Older bilinguals name fewer pictures than demographically matched monolinguals even when bilinguals are tested in their dominant language and especially if they report many years of immersion in their nondominant language. The bilingual disadvantage can be magnified if self-reported language preference is used to determine the language of testing. Accurate interpretation of bilingual picture naming scores requires a thorough language history and objective assessment in both languages, which can be done in relatively little time using rapid administration procedures. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141590854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Negative global metacognitive biases are associated with depressive and posttraumatic stress disorder symptoms and improve with targeted or game-based cognitive training.","authors":"Sam Agnoli, Henry Mahncke, Sarah-Jane Grant, Zachary T Goodman, William P Milberg, Michael Esterman, Joseph DeGutis","doi":"10.1037/neu0000967","DOIUrl":"10.1037/neu0000967","url":null,"abstract":"<p><strong>Objective: </strong>Metacognition is disrupted in several clinical populations. One aspect of metacognition, global metacognitive bias (difference between objective and self-reported abilities), has shown to be particularly relevant to clinical functioning. However, previous studies of global metacognitive biases in populations with elevated depressive/posttraumatic stress disorder (PTSD) symptoms have not measured objective and self-reported abilities relative to normative samples, limiting the quantification of biases. Additionally, few studies have examined whether cognitive interventions can improve metacognitive biases or how this relates to depressive/PTSD symptom severity.</p><p><strong>Method: </strong>A total of 84 participants with mild traumatic brain injury (77% veterans) performed PTSD and depression assessments along with self-reported and objective measures of global cognition. Age-adjusted norm-based z scores were used for self-reported and objective cognition, and bias was calculated by subtracting objective minus self-report scores. Participants then received 13 weeks of targeted cognitive training or entertainment games training (both providing performance feedback). Participants were assessed at baseline, immediately posttraining, and 3 months posttraining.</p><p><strong>Results: </strong>We found large negative metacognitive biases in those with clinically significant severity of depressive symptoms (z score difference = -1.77), PTSD symptoms (-1.47), and depressive + PTSD symptoms (-2.29). Metacognitive biases improved after both targeted and entertainment training and was associated with reductions in depressive/PTSD symptom severity (<i>r</i> = -.41/-.42, respectively), led by the entertainment training group (<i>r</i> = -.54/-.46, respectively).</p><p><strong>Conclusions: </strong>These findings show that clinically significant severity of depressive/PTSD symptoms is associated with substantial negative global metacognitive biases and preliminarily suggests that cognitive training may improve these biases and depressive/PTSD symptom severity. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142110011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rapid instructed task learning is impaired after stroke and associated with impairments in prepotent inhibition and processing speed.","authors":"Reut Binyamin-Netser, Anat Shkedy-Rabani, Lior Shmuelof","doi":"10.1037/neu0000979","DOIUrl":"https://doi.org/10.1037/neu0000979","url":null,"abstract":"<p><strong>Objective: </strong>Motor rehabilitation is a central contributor to motor recovery after stroke. Rehabilitation could be hampered by stroke-associated cognitive impairments such as the decreased ability to follow instructions. Rapid instructed task learning (RITL) was never directly studied in older adults and subjects with stroke. The aim of this study was to assess RITL following stroke and its underlying cognitive determinants.</p><p><strong>Method: </strong>Thirty-one subjects with chronic stroke and 36 age-matched controls completed a computerized cognitive examination that included an antisaccade task for measuring prepotent inhibition and processing speed and stimulus-response association task (NEXT) for measuring RITL and proactive inhibition.</p><p><strong>Results: </strong>RITL abilities were impaired after stroke (<i>d</i> = 0.72), together with prepotent inhibition (<i>d</i> = 0.71) and processing speed (<i>d</i> = 1.12). A correlation analysis revealed that RITL is associated with prepotent inhibition abilities and with processing speed.</p><p><strong>Conclusions: </strong>Subjects with stroke show impairments in the ability to follow instructions, that may be related to their impaired prepotent inhibition and processing speed. The causal effect of RITL impairments on the responsivity to rehabilitation and on motor recovery should be examined. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142350924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electrophysiological evidence of nonspatial inhibition of return affecting audiovisual integration.","authors":"Xiaoxue Wang, Xiaoyu Tang, Aijun Wang, Ming Zhang","doi":"10.1037/neu0000976","DOIUrl":"https://doi.org/10.1037/neu0000976","url":null,"abstract":"<p><strong>Objective: </strong>The present study endeavored to investigate the potential neural underpinnings of disparities in audiovisual integration (AVI) between valid and invalid targets, modulated by nonspatial inhibition of return (IOR). Concurrently, we sought to delineate the distinct roles subserved by Chinese character primes and color block primes throughout this process.</p><p><strong>Method: </strong>We employed a prime-neutral cue-target paradigm, wherein 25 college students participated in the experiment. Behavioral measures encompassed the reaction time, IOR effect, multisensory response enhancement, and race model analysis. Besides, we examined the N200, N400, and P300 components elicited by the target stimulus presentation in a time-locked fashion to investigate the neural underpinnings of AVI disparities in the context of valid and invalid targets.</p><p><strong>Results: </strong>Behavioral analyses unveiled a significant attenuation of AVI for valid targets, with this effect being particularly pronounced in trials involving Chinese character primes. Intriguingly, event-related potential (ERP) data evinced AVI within the N400 and P300 components. Moreover, the novelty of this study resides in identifying the P300 component as the principal neural correlate underpinning the attenuation of AVI arising from nonspatial IOR-a finding that was not replicated when employing color block primes.</p><p><strong>Conclusions: </strong>This research furnishes novel ERP evidence that elucidates the mechanisms through which nonspatial IOR modulates AVI. This contributes significantly to a broader understanding of the cognitive processes underpinning multisensory perception and attentional dynamics. These insights not only corroborate the late attention theory and the coactivation model but also lend credence to the context-updating hypothesis. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142350922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The memory binding test in a longitudinal study of cognitive aging and preclinical disease.","authors":"Stephanie Aghamoosa, Katrina S Rbeiz, Olivia Horn, Kathryn E Thorn, Andreana Benitez","doi":"10.1037/neu0000952","DOIUrl":"10.1037/neu0000952","url":null,"abstract":"<p><strong>Objective: </strong>The Memory Binding Test (MBT) shows promise in detecting early cognitive changes associated with Alzheimer's disease (AD). This study assesses the psychometric properties (i.e., construct and criterion validity, test-retest reliability) of the MBT and its sensitivity to incipient disease and incident cognitive impairment.</p><p><strong>Method: </strong>One hundred forty-nine cognitively unimpaired adults ages 45-85 completed the MBT and neuropsychological tests at baseline; 132 returned for 2-year follow-up. Based on neuroradiological ratings of amyloid positron emission tomography and MRI markers at baseline, they were categorized as healthy (<i>n</i> = 94) or having preclinical disease (<i>n</i> = 55, either on the AD continuum or having non-AD pathologic change). Construct validity was assessed by the associations between MBT scores, demographics, and neuropsychological scores within the healthy group. Criterion validity was assessed by testing how MBT scores correlate with AD biomarkers, differ and discriminate between groups at baseline, and predict incident cognitive impairment.</p><p><strong>Results: </strong>MBT scores decreased with age and were strongly associated with memory and global cognition. MBT scores were largely not associated with amyloid, hippocampal volume, or AD signature cortical volume but related to white matter lesion volume in those with preclinical disease. The preclinical groups performed worse on MBT immediate free recall at baseline than the healthy group, but no scores predicted incident cognitive impairment at follow-up. Most scores demonstrated modest test-retest reliability.</p><p><strong>Conclusions: </strong>This study demonstrates that the MBT has adequate construct validity in cognitively unimpaired adults, moderate sensitivity to preclinical disease cross-sectionally, and limited prognostic utility. Careful consideration of demographic influences on score interpretation remains necessary. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141559340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of working memory and organizational skills in academic functioning for children with attention-deficit/hyperactivity disorder.","authors":"Alissa M Cole, Elizabeth S M Chan, Fatou Gaye, Sherelle L Harmon, Michael J Kofler","doi":"10.1037/neu0000960","DOIUrl":"10.1037/neu0000960","url":null,"abstract":"<p><strong>Objective: </strong>Children with attention-deficit/hyperactivity disorder (ADHD) exhibit difficulties with organizational skills such as task planning, managing materials, and organizing activities that have downstream consequences on academic functioning. At the same time, deficits in working memory have been linked with both the organizational skills difficulties and academic underachievement and underperformance observed in children with ADHD and have been hypothesized to account for the link between organizational and academic functioning. However, the extent to which working memory and organizational skills independently versus jointly contribute to ADHD-related academic difficulties remains unclear.</p><p><strong>Method: </strong>The present study is the first to examine the unique and shared roles of working memory and organizational skills for explaining ADHD-related underachievement and underperformance in a clinically evaluated sample of 309 children with and without ADHD (<i>M</i>_age = 10.34, <i>SD</i> = 1.42; 123 girls; 69.6% White Not Hispanic or Latino).</p><p><strong>Results: </strong>Bias-corrected, bootstrapped latent path analyses revealed that working memory and organizational skills together accounted for 100% of the academic achievement (<i>d</i> = -1.09) and 80.6% of the academic performance (<i>d</i> = -0.58) difficulties exhibited by children with ADHD. Working memory (<i>d</i> = -0.95 to -0.26), organizational skills (<i>d</i> = -0.30 to -0.11), and shared variance across working memory and organizational skills (<i>d</i> = -0.13 to -0.06) each independently predicted ADHD-related difficulties in both academic achievement and performance outcomes.</p><p><strong>Conclusions: </strong>These findings are consistent with models suggesting that working memory has downstream consequences for functional impairments in ADHD, as well as evidence that organizational skills and working memory are each important predictors of ADHD-related academic functioning. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11469574/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141590855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Childhood motor difficulties and cognitive impairment in midlife: A 40-year cohort study.","authors":"Ilkka Järvinen, Nella Schiavone, Jyrki Launes, Jari Lipsanen, Maarit Virta, Ritva Vanninen, Eliisa Lehto, Annamari Tuulio-Henriksson, Laura Hokkanen","doi":"10.1037/neu0000961","DOIUrl":"10.1037/neu0000961","url":null,"abstract":"<p><strong>Objective: </strong>We aimed to examine the association of childhood motor difficulties (MD) with cognitive impairment in midlife.</p><p><strong>Method: </strong>We studied 357 participants from a cohort born in 1971-1975. At age 9, they had completed the Test of Motor Impairment, which classified them into three groups: childhood MD (cMD), borderline cMD (bcMD), or no cMD. Participants with attention-deficit/hyperactivity disorder were excluded. At age 40, participants comprised 18 (5.0%) with cMD, 43 (12.0%) with bcMD, and 296 (82.9%) with no cMD. They underwent neuropsychological assessment covering six domains: executive functions, processing speed, attention and working memory, learning and memory, verbal symbolic abilities, and visuoperceptual and visuospatial abilities. A participant was considered to have an impairment if their performance was in the 15th percentile of a normative group.</p><p><strong>Results: </strong>Participants with cMD were more likely than those with no cMD to have an impairment in executive functions (<i>OR</i> = 6.73, <i>p</i> < .01), processing speed (<i>OR</i> = 3.85, <i>p</i> < .05), attention and working memory (<i>OR</i> = 4.79, <i>p</i> < .01), and a cross-domain impairment (<i>OR</i> = 3.62, <i>p</i> < .01). These differences remained significant after adjusting for parents' occupation, sex, and low birth weight and after multiple imputation. No consistent difference emerged between participants with bcMD and no cMD.</p><p><strong>Conclusions: </strong>Childhood MD are associated with midlife cognitive impairment, which underscores their long-term implications. In the neuropsychological assessment of an adult patient, information on childhood motor development is of value. The assessment may help adapt the patient's physical or occupational therapy to the patient's cognitive profile. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141559365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Greater baseline intra-individual variation in telephone-based cognitive screening predicts cognitive and diagnostic outcomes at 2-year follow-up.","authors":"Shayne S-H Lin, Rebecca S Allen","doi":"10.1037/neu0000959","DOIUrl":"10.1037/neu0000959","url":null,"abstract":"<p><strong>Objective: </strong>Intra-Individual Cognitive Variability (IICV) is an emerging clinical tool that has shown promise in predicting cognitive decline and dementia incidence. The present study aims to assess the predictive validity of IICV in remote cognitive screening tests, using nationally representative data.</p><p><strong>Method: </strong>Two waves of cognitive and diagnostic data from the Health and Retirement Study (collected in 2010 and 2012) were utilized to investigate whether baseline IICV can predict cognitive decline and dementia pathology. Middle-aged and older adults who were cognitively intact and completed all cognitive tests at both baseline and follow-up were recruited in the study, resulting in a sample of 6,050 participants. With the coefficient of variation method, the IICV-dispersion was calculated based on cognitive screeners to predict follow-up mean cognitive performance, global cognition, suspected cognitive impairment, and self-reported dementia diagnosis.</p><p><strong>Results: </strong>After accounting for demographics, depressive symptoms, and baseline cognitive performance, the results provide support for the predictive validity of IICV. Specifically, the study demonstrated that IICV-dispersion significantly predicted cognitive and diagnostic outcomes in a concave pattern where the prediction was more sensitive toward the higher end of IICV. IICV explained about 0.2%-2.3% of the variance of outcomes variables.</p><p><strong>Conclusions: </strong>IICV retrieved from cognitive screening tests in telemedicine settings offers insight into future cognitive functioning and neurocognitive diagnostic status, which can be cost-effective and reduce the burden on both patients and health care providers, especially benefitting individuals with low socioeconomic status and rural residents. Potential avenues for future research were also discussed. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141590930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Executive functioning in posttraumatic stress disorder: Understanding how inhibition, switching, and test modality affect reaction times.","authors":"Diane Swick, Sandy J Lwi, Jary Larsen, Victoria Ashley","doi":"10.1037/neu0000964","DOIUrl":"10.1037/neu0000964","url":null,"abstract":"<p><strong>Objective: </strong>Posttraumatic stress disorder (PTSD) has been linked to deficits in executive functioning, but the literature suggests these associations are inconsistent. Results vary depending on the task used, test modality, and the specific subdomain being measured, such as inhibitory control (interference resolution, response inhibition) or set shifting (task switching, rule switching). Notably, deficits are more consistently observed in computerized tasks that measure precise reaction times (RTs) than in classic paper-and-pencil measures, but few studies have parsed specific executive functioning deficits in PTSD using detailed analyses of RT data.</p><p><strong>Method: </strong>The present study used a cued-switching Stroop Task to examine both interference resolution and task switching in 28 veterans with PTSD and 28 age-matched controls. Each trial required attending to a randomly presented cue and responding to the specified target while ignoring irrelevant or opposing information. Analyses of RT distributions estimated both Gaussian (normal) and ex-Gaussian (exponential) parameters.</p><p><strong>Results: </strong>Veterans with PTSD had slower and more variable RTs than the controls on trials that required ignoring conflicting information (interference resolution, <i>d</i>' = .68). These effects were confined to the normal distribution, not to excessively slow responses (as estimated by ex-Gaussian parameters). Veterans with PTSD also showed modestly slower RTs on trials that required switching between cues, but Bayesian evidence for this was weak, and measures by ex-Gaussian parameters were not significant.</p><p><strong>Conclusions: </strong>These results highlight the importance of examining executive functioning in PTSD with a more nuanced approach, as clarity around these deficits may have important implications for future intervention and rehabilitation strategies. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":19205,"journal":{"name":"Neuropsychology","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141634088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}