Research Overview

Peter Isquith focuses his research efforts on measuring executive functions in individuals across the lifespan with typical developmental trajectories and those with developmental, health, and behavioral health concerns.

Research Background

Peter K. Isquith, PhD is a Licensed Psychologist with specialty in developmental neuropsychology. He specializes in working with children who are Deaf or hard of hearing in the Department of Otolaryngology. His educational and training background includes the University of Michigan (BA), University at Buffalo (PhD), and Boston Children's Hospital (fellowships). He is an author of the most widely used measures of executive function internationally.

Education

Graduate School

State University of New York at Buffalo
1991 Buffalo NY

Internship

Boston Children’s Hospital
1991 Boston MA

Residency

Boston Children’s Hospital
1992 Boston MA

Fellowship

New England Rehabilitation Hospital
1993 Woburn MA

Publications

  1. B - 30 A Consultation Model Approach to Working with the Deaf Community: a Neuropsychological Case Report. Arch Clin Neuropsychol. 2023 Oct 08. View Abstract
  2. Diagnostic Utility of Parent Ratings on the Behavior Assessment System for Children-Third Edition in Children who are Deaf and Hard of Hearing and Diagnosed with Autism Spectrum Disorder. Res Child Adolesc Psychopathol. 2024 04; 52(4):645-658. View Abstract
  3. Fenfluramine treatment is associated with improvement in everyday executive function in preschool-aged children (<5 years) with Dravet syndrome: A critical period for early neurodevelopment. Epilepsy Behav. 2023 01; 138:108994. View Abstract
  4. [Formula: see text]Multivariate base rates of score elevations on the BRIEF2 in children with ADHD, autism spectrum disorder, or specific learning disorder with impairment in reading. Child Neuropsychol. 2022 10; 28(7):979-996. View Abstract
  5. [Formula: see text]Enhanced interpretation of the BRIEF2: multivariate base rates of elevated scores in the standardization samples. Child Neuropsychol. 2022 05; 28(4):535-553. View Abstract
  6. Univariate and Multivariate Base Rates of Score Elevations, Reliable Change, and Inter-Rater Discrepancies in the BRIEF-A Standardization Samples. Assessment. 2023 03; 30(2):390-401. View Abstract
  7. Improved everyday executive functioning following profound reduction in seizure frequency with fenfluramine: Analysis from a phase 3 long-term extension study in children/young adults with Dravet syndrome. Epilepsy Behav. 2021 08; 121(Pt A):108024. View Abstract
  8. Everyday executive function in focal onset pediatric epilepsy on the parent-report BRIEF2. Child Neuropsychol. 2019 01; 25(1):22-43. View Abstract
  9. Executive Function and Emotion Regulation Strategy Use in Adolescents. Appl Neuropsychol Child. 2016; 5(1):50-5. View Abstract
  10. Development of the Behavior Rating Inventory of Executive Function - Preschool Version (Brief-P) in 10 Languages. Value Health. 2014 Nov; 17(7):A575. View Abstract
  11. Distinct Patterns of Everyday Executive Function Problems Distinguish Children With Tourette Syndrome From Children With ADHD or Autism Spectrum Disorders. J Atten Disord. 2017 Aug; 21(10):811-823. View Abstract
  12. Much ado about norming: the Behavior Rating Inventory of Executive Function. Child Neuropsychol. 2015; 21(2):225-33. View Abstract
  13. Contribution of rating scales to intervention for executive dysfunction. Appl Neuropsychol Child. 2014; 3(3):197-204. View Abstract
  14. Everyday executive function in standard-risk acute lymphoblastic leukemia survivors. Child Neuropsychol. 2015; 21(1):78-89. View Abstract
  15. Confirmatory factor analysis of the Behavior Rating Inventory of Executive Function-Adult version in healthy adults and application to attention-deficit/hyperactivity disorder. Arch Clin Neuropsychol. 2013 Aug; 28(5):425-34. View Abstract
  16. Contribution of rating scales to the assessment of executive functions. Appl Neuropsychol Child. 2013; 2(2):125-32. View Abstract
  17. Executive Function in the Real World: BRIEF lessons from Mark Ylvisaker. J Head Trauma Rehabil. 2010 Nov-Dec; 25(6):433-9. View Abstract
  18. Response-time variability is related to parent ratings of inattention, hyperactivity, and executive function. J Atten Disord. 2011 Oct; 15(7):572-82. View Abstract
  19. Subjective rating of working memory is associated with frontal lobe volume in schizophrenia. Schizophr Res. 2010 Jul; 120(1-3):71-5. View Abstract
  20. Psychometric support for an abbreviated version of the Behavior Rating Inventory of Executive Function (BRIEF) Parent Form. Child Neuropsychol. 2010; 16(2):182-201. View Abstract
  21. Which symptom assessments and approaches are uniquely appropriate for paediatric concussion? Br J Sports Med. 2009 May; 43 Suppl 1:i13-22. View Abstract
  22. Improving identification and diagnosis of mild traumatic brain injury with evidence: psychometric support for the acute concussion evaluation. J Head Trauma Rehabil. 2008 Jul-Aug; 23(4):230-42. View Abstract
  23. Self- and informant reports of executive function on the BRIEF-A in MCI and older adults with cognitive complaints. Arch Clin Neuropsychol. 2006 Oct; 21(7):721-32. View Abstract
  24. Relationship of surgical approach to neurodevelopmental outcomes in hypoplastic left heart syndrome. Pediatrics. 2006 Jan; 117(1):e90-7. View Abstract
  25. Psychosocial treatment of children in foster care: a review. Community Ment Health J. 2005 Apr; 41(2):199-221. View Abstract
  26. Assessment of executive function in preschool-aged children. Ment Retard Dev Disabil Res Rev. 2005; 11(3):209-15. View Abstract
  27. Psychometric and behavioral measures of central auditory function: the relationship between dichotic listening and digit span tasks. Child Neuropsychol. 2004 Dec; 10(4):318-27. View Abstract
  28. Ecological assessment of executive function in traumatic brain injury. Dev Neuropsychol. 2004; 25(1-2):135-58. View Abstract
  29. Executive function in preschool children: examination through everyday behavior. Dev Neuropsychol. 2004; 26(1):403-22. View Abstract
  30. Confirmatory factor analysis of the Behavior Rating Inventory of Executive Function (BRIEF) in a clinical sample. Child Neuropsychol. 2002 Dec; 8(4):249-57. View Abstract
  31. Profiles of everyday executive function in acquired and developmental disorders. Child Neuropsychol. 2002 Jun; 8(2):121-37. View Abstract
  32. Behavior rating inventory of executive function. Child Neuropsychol. 2000 09; 6(3):235-8. View Abstract
  33. Cognitive sequelae of treatment in childhood acute lymphoblastic leukemia: cranial radiation requires an accomplice. J Clin Oncol. 1995 Oct; 13(10):2490-6. View Abstract

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