Subjective cognitive impairment and the broad autism phenotype

Research output: Contribution to journalArticle

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Abstract

Introduction: Roughly 4% to 23% of the population embody stress prone personality and other traits characterizing a subclinical "broad autism phenotype" (BAP). Subjective cognitive impairment (SCI) among healthy elderly is associated with psychological distress leading us to predict BAP would be associated with SCI. Methods: The Autism Spectrum Quotient, a self-administered 50 item questionnaire, was completed by 419 consecutive members of the Arizona APOE Cohort who underwent neuropsychological testing every 2 years. SCI was assessed with self and informant versions of the Multidimensional Assessment of Neurodegenerative Symptoms (MANS) Questionnaire. Results: A total of 45 individuals scored in the BAP range, designated BAP+, and the rest were BAP-. At entry, both Multidimensional Assessment of Neurodegenerative Symptoms Questionnaire Self and Informant scores were higher in the BAP+ group (P<0.0001). After age 60, the BAP+ group had greater annual increases in Multidimensional Assessment of Neurodegenerative Symptoms Questionnaire Self scores (0.05 vs. 0.02; difference=0.03; 95% confidence interval, 0.004-0.05; P=0.02) yet there was no difference between groups in memory decline. Over 10 years 33 individuals developed mild cognitive impairment: 4 in the BAP+ group (8.9%) and 29 in the BAP- group (7.8%), P=0.77. Discussion: Individuals who meet criteria for the BAP have escalating SCI with age, but no greater rate of memory decline or clinical progression to mild cognitive impairment.

Original languageEnglish (US)
Pages (from-to)284-290
Number of pages7
JournalAlzheimer Disease and Associated Disorders
Volume32
Issue number4
DOIs
StatePublished - Jan 1 2018

Fingerprint

Autistic Disorder
Phenotype
Symptom Assessment
Cognitive Dysfunction
Personality
Confidence Intervals
Psychology
Surveys and Questionnaires

Keywords

  • aging
  • broad autism phenotype
  • memory loss
  • mild cognitive impairment
  • preclinical Alzheimer disease
  • subjective cognitive impairment

ASJC Scopus subject areas

  • Clinical Psychology
  • Gerontology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health

Cite this

Subjective cognitive impairment and the broad autism phenotype. / Caselli, Richard John; Langlais, Blake T.; Dueck, Amylou; Locke, Dona E; Woodruff, Bryan K.

In: Alzheimer Disease and Associated Disorders, Vol. 32, No. 4, 01.01.2018, p. 284-290.

Research output: Contribution to journalArticle

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