We are pleased to introduce the Meet the Authors podcast series, brought to you by a collaboration of the Society for Clinical Neuropsychology (SCN) and the jou...
The Association of Sociodemographic Factors with Semantic Fluency Metrics
In this episode, Dr. Scott Sperling and student leader, Dr. Lisa Cruz, discuss the article The association of sociodemographic factors with total and item-level semantic fluency metrics with the paper's first author, Magdalena Beran, and senior author Dr. Jet Vonk. In this study, explored the association between sociodemographic factors (e.g., age, sex, level of education) and semantic fluency metrics (e.g., number of words, average cluster size, number of cluster switches, lexical/Zipf frequency, age of acquisition, and lexical decision response time). Analyses utilized data from 3 cross-sectional cohorts, totaling 2,391 individuals. Overall, results indicated that semantic fluency metrics are associated with effects of age, education, and sex/gender which can help to inform the generalizability of semantic fluency data.
--------
16:50
Understanding the Role of Working Memory and Organizational Skills on Academic Functioning in ADHD
In this episode, Dr. Scott Sperling and student leader, Ms. Grace Goodwin, discuss the article The role of working memory and organizational skills in academic functioning for children with attention-deficit/hyperactivity disorder with the paper's first author, doctoral candidate, Ms. Alissa Cole. Using bias-corrected, bootstrapped latent path analyses, this study explored the unique and shared contributions of working memory and organizational skills on academic achievement and performance in a sample of 309 children with and without Attention-Deficit/Hyperactivity Disorder (ADHD). Results highlight the extent to which working memory and organizational skills both separately and together impact academic achievement and academic performance, explaining as much as 100% of the variance, as well as eclipsing the diagnosis of ADHD itself in certain models. Overall, findings have strong real-world implications for interventions related to learning for children with ADHD.
--------
19:56
A Psychometric Study of Instruments Assessing Catastrophizing and Fear Avoidance Behaviors in Mild Traumatic Brain Injury
In this episode, Dr. Scott Sperling and student leader, Dr. Elaine Schultz, discuss the article Psychometric properties of two instruments assessing catastrophizing and fear-avoidance behavior in mild traumatic brain injury with two of the paper's authors, Skye King and Dr. Melloney Wijenberg. This study aimed to invesigate the factor structure, internal consistency, test-restest reliability, and concurrent and construct validity of the Postconcussion Symptom Catastrophizing Scale (PCS-CS) and the Fear of Mental Activity Scale (FMA) in a sample of participants with mild TBI compared to orthopedic injury and healthy adults. The sample was comprised of 185 mTBI participants, 180 with orthopedic injury, and 116 healthy adults. Findings supported a three-factor model (magnification, rumination, helplessness) with a higher order factor (catastrophizing) for the PCS-CS and a two-factor model (activity avoidance and somatic focus) for the FMA. Results supported strong internal consistency, test-retest reliability, and convergent validity. Overall, this study provided evidence of psychometric strength for these measures and support their use in research and cllinical practice in mTBI to better understand prolonged recovery.
--------
17:04
Investigating Language Switching and Speaking a Nondominant Language as Markers of Alzheimer’s Risk in Spanish-English Bilinguals
In this episode Dr. Scott Sperling and student leader, Dr. Kritika Nayar, discuss the paper Language Switching and Speaking a Non-Dominant Language Challenge Executive Control: Preliminary Data for Novel Behavioral Markers of Alzheimer's Risk in Spanish-English Bilinguals, with the paper's authors, Ms. Dalia Lopez Garcia and Dr. Tamar Gollan. In this study, using psycholinguistic analyses, authors explored language switching and speaking a nondominant language as markers of Alzheimer's risk in Spanish-English bilinguals. All 19 participants, who were cognitively healthy, completed neuropsychological testing, a structured interview (in both Spanish and English), and language switching tasks. Following this, 8 individuals were diagnosed with Alzheimer's Disease (AD). In analyzing differences in their performance in this earlier testing, results showed that certain utterances in their nondominant language (e.g., revisions, repetitions, filled pauses) as well errors in a language switching test were particularly indicative of AD risk. Overall, these measures may reflect early decline in executive control abilities and may be valuable indicators of AD risk in this bilingual population.
--------
18:59
Using a Standardized Observational Examination of Cognitive Functions to Detect Mild Cognitive Impairment
In this episode, Dr. Scott Sperling and early career leader, Dr. Zachary Resch, will be discussing the paper, Signs and Symptoms Method in Neuropsychology: A Standardized Observational Examination of Cognitive Functions Can Be Effective in Detecting Mild Cognitive Impairment, with two of the study authors, Dr. Carlo Abbate & Dr. Alessia Gallucci. In their study, the authors examined the diagnostic sensitivity and specificity of what they term the "NeuroPsychological Examination" or "NPE", which is a systematic method of collecting and quantifying cognitive and behavioral symptoms during a clinical interview. The NPE was implemented for 475 participants (208 with MCI, 188 with dementia, and 79 with subjective cognitive decline). Results demonstrated that the number of neuropsychological signs from the NPE could discriminate between all three groups with good sensitivity and specificity, which highlights its utility for clinical neuropsychologists.
We are pleased to introduce the Meet the Authors podcast series, brought to you by a collaboration of the Society for Clinical Neuropsychology (SCN) and the journal Neuropsychology. In this podcast series, a SCN student leader, with support from
members of the SCN Scientific Advisory Committee and podcast host Dr. Scott Sperling, will discuss a recently published study with the authors who undertook the research. This podcast aims to provide a behind the scenes look into the development, implementation, analysis, and future implications of cutting-edge neuropsychology research.
Brasil