The purpose of this study was to determine whether or not children diagnosed with Attention-Deficit Hyperactivity Disorder (ADHD) or Central Auditory Processing Disorder (CAPD) can be distinguished from one another on the basis of both objective and subjective assessment of attention and behavior. First, children and adolescents diagnosed with ADHD, CAPD, and concomitant ADHD/CAPD were compared to participants with emotional problems on measures of attention/concentration, depression, anxiety, and parental reports of internalzing and externalizing behaviors. Overall, statistical analyses did not reveal significant differences between performances of children diagnosed with ADHD and those diagnosed with CAPD. However, clinical comparisons across groups of children diagnosed with ADHD, CAPD, comorbid ADHD/CAPD and Affective Disorders revealed condition-specific clinical profiles, thus providing some support for CAPD as a distinct clinical entity. Second, exploratory cluster analysis was performed to further investigate the relationship between ADHD and CAPD. This procedure lead to the identification of four distinct clusters. However, analyses of these clusters revealed no distinct pattern of performance for children diagnosed with either ADHD or CAPD. Rather, participants with these diagnoses were evenly distributed throughout the clusters. Additionally, no cluster clearly represented the expected clinical profile for a diagnosis of CAPD- namely, significant auditory attentional/processing problems in the absence of other attentional difficulties. Implications for the assessment and treatment of childhood attentional disorders are discussed and recommendations for future research provided.

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The Auditory Continuous Performance Test (ACPT) was evaluated on one group of subjects who had been diagnosed as having attention deficit-hyperactivity disorder (ADHD) and another group for whom ADHD had been ruled out. Although the specificity of the ACPT was acceptably high for a screening test, the sensitivity was very low. The conclusions drawn from these results are limited because of small sample size (n = 23). However, until reports based on large study samples are forthcoming, the use of the ACPT as a screening test for ADHD appears questionable.

Clinical Questions: What top-down and bottom-up interventions across the psychology, audiology, educational, and speech language pathology domains are most effective for children and adolescents with Central Auditory Processing Disorder (CAPD)? What considerations for planning research and intervention might be offered to a classroom teacher to further support students diagnosed with CAPD, especially in relation to the Multi-Tiered System of Supports (MTSS), formerly known as Response to Intervention (RTI)? Method: Inter-Disciplinary Literature Review Study Sources: PsycInfo, Linguistics and Language Behavior Abstracts, ProQuest, International Journal of Audiology, American-Speech-Language Hearing Association, Journal of Neurotherapy, Medline-Esbcohost, ERIC Ebscohost, Professional Development Collection Education, and What Works Clearinghouse Number of Included Studies: 16 Age Range: 2-13 years Primary Results: 1) Phonological awareness training was the primary reading educational construct found among the included interventions in this literature review. 2) Most CAPD studies employed a combination of both bottom-up and top-down treatments in intervention. This finding may possibly indicate that in order for a CAPD intervention to be even more beneficial to the student, both bottom-up and top-down treatments should be considered and incorporated in relation to the student's individualized needs. Conclusions: Results confirmed very little research and few intervention implications on CAPD students within the educational research discipline, including special education. Search results primarily included methods to improve listening in the classroom environment, but did not specifically mention intervention in relation to CAPD and its implications. Results also confirmed that a multi-disciplinary effort is needed to provide clinical decision and effective intervention for the CAPD population.

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