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Biomedical subjects

Cynthia A Riccio

Publications and source records attributed to Cynthia A Riccio.

14 recordsLinked to original sources

Differences in academic and executive function domains among children with ADHD Predominantly Inattentive and Combined Types.

Differences between the subtypes of Attention Deficit Hyperactivity Disorder (ADHD) continue to have a place in the clinical and research literature. The purpose of this study was to examine differences specific to academic and executive function deficits in a sample of 40 children, aged 9-15 years. Although there was a tendency for the Predominantly Inattentive (PI) group to evidence lower performance on calculation and written expression tasks, these differences dissipated when IQ was included as a covariate. For executive function domains of set shifting, interference, inhibition, and planning, differences emerged for interference, but only when girls were excluded from the analysis and no control for IQ was made. For parent ratings of executive function, expected differences were found on the Inhibit scale with the Combined Type (CT) group evidencing greater problems in this area; this difference remained even when girls were excluded and IQ was controlled. Implications for research and practice are presented.

Adolescent↗

An empirical analysis of the BASC Frontal Lobe/Executive Control scale with a clinical sample.

Data from a clinical sample of children and adolescents were used to examine the characteristics of the Frontal Lobe/Executive Control (FLEC) scale of the Behavior Assessment System for Children Parent Rating Scales, including preliminary evidence of the scale's clinical utility and relationship to other behavioral measures of executive function and characteristics of Attention Deficit Hyperactivity Disorder (ADHD). Results indicate that participants in the ADHD and other clinical groups received very similar scores on the FLEC scale, and both groups were rated significantly higher in behaviors associated with executive dysfunction than were participants in the no diagnosis group. Correlational results indicate that scores on the FLEC scale were significantly correlated with scores on the Behavior Rating Inventory of Executive Function-Parent Form and Conners' Parent Rating Scales Revised-Short Form. Based on our results, the FLEC scale appears to be a useful behavioral rating tool in the assessment of executive function that may serve as a supplement to more traditional measures.

Adolescent↗

Digit Span components as predictors of attention problems and executive functioning in children.

This study examined the extent to which digits forward (DF) or digits backward (DB) account for variance in parent ratings of attention and executive function in children. The sample (n=90) included children with no diagnosis and children with a range of clinical problems, including attention deficit hyperactivity disorder (ADHD). Clinical groups differed from the No Diagnosis group on cognitive ability as well as achievement. Once cognitive ability was controlled, no group differences emerged for Digit Span or digits forward; notably, the ADHD-Predominantly Inattentive group was able to recall significantly more digits backward than the ADHD-Combined Type group. Regression analyses indicated that Full Scale IQ explained significant variance in parent ratings of attention and executive function; DF emerged as a significant predictor only for one measure of attention. When only children with ADHD were considered, DF no longer was a significant predictor. Results support the notion that DF and DB are differing constructs, as well as highlighting the importance of controlling for cognitive ability in consideration of group differences on behavioral measures.

Attention Deficit Disorder with Hyperactivity↗

Attention Deficit Hyperactivity Disorder: manifestation in adulthood.

The purpose of the current study was to investigate the manifestation of ADHD in adults using a combination of structured clinical interview, behavioral self-report, and a range of neuropsychological measures. Symptom criteria that are endorsed by adults with ADHD as compared to non-diagnosed adults and an adult sample with other clinical disorders tend to reflect problems with follow-through, forgetting, organization, and losing things. Notably, adults in the No Diagnosis group endorsed a higher frequency of symptoms than base rates reported elsewhere. Related to sense of time, adults with ADHD endorsed problems with meeting deadlines, not completing tasks, not planning ahead, and having a poorer sense of time significantly more frequently than adults in either the No-Diagnosis or Other Clinical Disorder group. Results highlighted the need for further research specific to the manifestation of ADHD in adulthood and the development of diagnostic criteria that take into account the differences in development as well as age-related differences in contextual demands.

Adolescent↗

Auditory processing measures: correlation with neuropsychological measures of attention, memory, and behavior.

It has been suggested that measures of auditory processing (AP) are sensitive measures of attention resulting in the high comorbidity of auditory processing disorder (APD) and attention deficit/hyperactivity disorder (ADHD). Others have found that selected AP measures share significant variance with memory tasks. The current study investigated the relation between AP measures and various neuropsychological measures presumed to measure attention and memory in 36 children with a mean age of 7.78 years (SD=1.61) referred to an outpatient facility. Results indicate that AP measures significantly correlated with each other as well as with some measures of attention, memory, and behavior ratings. Results suggest that although AP measures include elements of both attention and memory, these measures also appear to assess processes not tapped by other measures of attention and memory. The correlation of AP measures with parent-and teacher-rated withdrawal, parent-rated somatization, conduct, and depression, as well as teacher-rated attention, anxiety, learning problems, social skills, and leadership suggest that auditory processing problems may manifest in myriad behaviors across settings. Implications for practice and future research are presented.

Attention↗

Test review: Delis-Kaplan executive function system.

The Delis-Kaplan Executive Function System (D-KEFS; Delis, Kaplan, & Kramer, 2001) represents the first set of executive tests co-normed on a large and representative national sample designed exclusively for the assessment of executive functions including flexibility of thinking, inhibition, problem solving, planning, impulse control, concept formation, abstract thinking, and creativity. The D-KEFS, composed of nine stand alone tests that can be individually or group administered, provides a standardized assessment of executive functions in children and adults between the ages of 8 and 89. Utilizing a "cognitive-process approach," the D-KEFS tests allow examiners to systematically generate and evaluate relevant clinical hypotheses on executive functioning of a given examinee by comparing and contrasting performance on multiple testing conditions and using contrast measure scores and error analyses. A review of the administration, scoring and interpretation, test construction, standardization, and technical adequacy indicate that the D-KEFS holds much promise not only as a clinical instrument, but also as a research tool for increasing knowledge of the frontal-lobe functions.

Humans↗

Assessment of attention deficit hyperactivity disorder (ADHD) using the BASC and BRIEF.

There has been an overwhelming increase in the number of children diagnosed with attention deficit hyperactivity disorder (ADHD). School and clinical psychologists play an important role in the assessment of a child's emotional and behavioral difficulties, including problems with attention. Various assessment measures, including behavioral rating forms such as the Behavior Assessment System for Children (BASC) and the Behavior Rating Inventory of Executive Function (BRIEF), are often used in the assessment of a child's behavior. The purpose of this article is to provide more knowledge to psychologists regarding the assessment of ADHD in children using the BASC and BRIEF. Results from this study indicated that the BASC and BRIEF scales appear to be measuring similar, but different, constructs pertaining to behaviors associated with ADHD, as well as similar study skills and learning problems. These findings suggest that children diagnosed with ADHD are rated lower on adaptive skills when compared to children with no diagnosis on the BASC. Use of the BASC and BRIEF in ADHD assessment appears promising and may generate additional areas in need of intervention.

Adolescent↗

The Tower of London and neuropsychological assessment of ADHD in adults.

Executive function refers to a variety of behaviors and abilities related to planning and strategy use, as well as the maintenance of attention and behavior in the pursuit of some goal; these behaviors are generally deficient in individuals with Attention Deficit Hyperactivity Disorder (ADHD). The Tower of London (TOL) is one task used in the assessment of executive function. For adults with ADHD, there is minimal research on the extent to which they demonstrate impaired performance on tower tasks. With a sample of 102 individuals between the ages of 16 and 33 years, the extent to which performance on the TOL-Drexel Edition (TOL(DX)) was related to performance on other measures of executive function and diagnostic grouping was investigated. Results indicated that TOL(DX) variables are not correlated significantly with age or Global Assessment of Functioning (GAF). Of the TOL(DX) variables, only Rule Violations correlated with multiple other executive function variables. Rule Violations correlated minimally, but significantly, with cognitive ability, perceptual skills, Matrix Reasoning, Processing Speed, and immediate memory. As might be expected, Processing Speed also significantly correlated with Total Time and Time Violations. Notably, scores on the TOL(DX) did not correlate significantly with behavioral self-report; no between-group (ADHD, Clinical Control, No Diagnosis) differences emerged for any of the TOL(DX) variables. Further, with this sample, mean scores across the TOL(DX) variables were well within the average range. Taken together, these results suggest that while the TOL(DX) measures aspects of ability not tapped by other measures, and may therefore provide additional information on individual functioning, results should not be interpreted as indicative of the presence or absence of a disorder.

Adolescent↗

A meta-analysis of the sensitivity and specificity of the Stroop Color and Word Test with children.

The purpose of this paper is to examine the extent to which the Stroop Color-Word Test demonstrates sensitivity and specificity for the identification of executive function deficits in children and adolescents. Meta-analytic methods were used to identify executive function deficits associated with attention deficit hyperactivity disorder (ADHD) and other developmental disorders. Weighted effect sizes were calculated for all studies found that compared groups of children on the Stroop task. Results indicated that across studies, children and adolescents with ADHD fairly consistently exhibited poorer performance when compared to individuals without clinical diagnoses on the Stroop task as measured by the weighted Word, Color, Color-Word, and Interference scores. The Stroop task did not discriminate ADHD groups from other clinical groups consistently across studies. In conclusion, while impaired performance of the Stroop task may be indicative of an underlying neurological disorder related to frontal lobe dysfunction, poor performance is not sufficient for a diagnosis of ADHD.

Adolescent↗

Wisconsin Card Sorting Test with children: a meta-analytic study of sensitivity and specificity.

More and more frequently the presence of executive function deficits appears in the research literature in conjunction with disabilities that affect children. Research has been most directed at the extent to which executive function deficits may be implicated in specific disorders such as attention deficit hyperactivity disorder (ADHD); however, deficits in executive function have been found to be typical of developmental disorders in general. The focus of this paper is to examine the extent to which one frequently used measure of executive function, the Wisconsin Card Sorting Test (WCST), demonstrates sensitivity and specificity for the identification of those executive function deficits associated with ADHD as well as its use with other developmental disorders through meta-analytic methods. Evidence of sensitivity of the WCST to dysfunction of the central nervous system is reviewed. Effect sizes calculated for all studies compared groups of children on differing variables of the WCST. The results of this meta-analysis suggest that across all of the studies, individuals with ADHD fairly consistently exhibit poorer performance as compared to individuals without clinical diagnoses on the WCST as measured by Percent Correct, Number of Categories, Total Errors, and Perseverative Errors. Notably, other various clinical groups performed more poorly than the ADHD groups in a number of studies. Thus, while impaired performance on the WCST may be indicative of an underlying neurological disorder, most likely related to frontal lobe function, poor performance is not sufficient for a diagnosis of ADHD. Implications for further research are presented.

Attention Deficit Disorder with Hyperactivity↗

The status of empirical support for treatments of attention deficits.

Deficits in attention and self-regulation are common complaints associated with a number of disorders across the lifespan. The need to address attentional deficits is based on the premise that attention is a precursor and prerequisite to information processing and related cognitive tasks as well as a key factor in the success of other rehabilitation efforts. Many treatment programs have been developed with the intention of restoring or rehabilitating the impaired components of attention; the number and variety of attention programs is increasing rapidly. The purpose of this article is to evaluate available empirical support regarding the efficacy of treatments for remediation of attention deficits across disorders and age levels. The search of the major databases yielded 83 studies that included treatment of attentional deficits. Empirical studies were reviewed and categorized by the type of trial, whether or not the study included a control group, and the nature of the control group. The methodology and results of each study were then rated. For each treatment identified, the aggregated studies were then considered by the disorder of the samples included in the studies. Results indicated that, regardless of the treatment program or population, the existing research does not provide sufficient evidence to reach any conclusions about the efficacy of programs designed to address attention deficits. Before any conclusions, positive or negative, can be drawn, there is a need for more rigorous study of available treatment programs across age levels and disorders, with sufficient baseline and outcome data as well as control or alternative treatment conditions.

Attention Deficit Disorder with Hyperactivity↗

The continuous performance test: a window on the neural substrates for attention?

Attention is a complex process whose disturbance is considered a core deficit in a number of disorders [e.g., Attention Deficit Hyperactivity Disorder (ADHD), schizophrenia]. In 1956, Rosvold and colleagues [J. Consult. Psychol. 20 (1956) 343.] demonstrated that the continuous performance test (CPT) as a measure of sustained attention was highly sensitive to brain damage or dysfunction. These findings have been replicated with various populations and with various versions of the CPT. The CPT is now cited as the most frequently used measure of attention in both practice and research. Across studies, results are consistent with models of sustained attention that involve the interaction of cortical (frontal, temporal, parietal), subcortical (limbic, basal ganglia), and functional systems including the pathways between the basal ganglia, thalamus, and frontal lobes. Right hemisphere involvement (asymmetric response) is also evident across multiple studies. As such, the CPT demonstrates sensitivity to dysfunction of the attentional system whether this is due to diffuse or more focal damage/dysfunction or in conjunction with any specific disorder. CPT performance can be viewed as symptom specific (attentional disturbance), but it is not disorder specific (e.g., ADHD). Implications for neuropsychological interpretation of CPT results are presented.

Journal Article↗

A comparison of multiple methods for the identification of children with reading disabilities.

There has been considerable discussion of the methods used for the identification of children with reading disabilities. This study examined three different methods that could be used in the identification of children with reading disabilities and their consistency with teacher ratings of behaviors believed to be associated with reading disabilities. Standardized, norm-referenced measures of achievement, phonological processing measures, and curriculum-based measures of reading fluency were used with 40 children in Grades 1 and 2. Comparisons were made to determine which measures, if any, differentiated between children referred for reading disabilities (n = 20) and children who were progressing typically in reading in their general education classroom settings (n = 20). The results indicated significant between-group differences on standardized, norm-referenced measures of reading recognition, word attack, and comprehension; phonological measures of blending nonwords and elision; and reading fluency. Teacher ratings on the Dyslexia Screening Instrument were consistent with teacher beliefs regarding children's progress in reading. All measures were found to correlate significantly with each other. However, correlations were generally in the moderate range, suggesting that the measures used did not measure the same reading skills or, in the case of phonological processing, the underlying abilities believed to be necessary for reading. Given the differences in tasks and the moderate correlations, it is likely that the choice of measures may affect the conclusions reached regarding a student's reading ability.

Child↗