Insulin resistance and accelerated cognitive aging

Fahim Abbasi, Thalia K. Robakis, Alison Myoraku, Kathleen T. Watson, Tonita Wroolie, Natalie L. Rasgon

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Insulin resistance may be an early sign of metabolic dysfunction with the potential to lead to neuropsychiatric sequelae in the long term. In order to identify whether insulin resistance in otherwise healthy young and middle-aged adults is associated with preclinical signs of neuropsychiatric impairment, we recruited 126 overweight but nondiabetic, nondepressed individuals who completed an insulin suppression test for direct measurement of insulin resistance as well as a battery of cognitive and neuropsychiatric measures. Insulin resistance was associated with weaker performance on a fine motor task (Purdue Pegboard) as well as increases in subclinical symptoms of depression. We submit that insulin resistance in early to mid-adulthood may be an important predictor of long-term risk for metabolic, psychiatric, and neurobehavioral dysfunction.

Original languageEnglish
Article number105944
JournalPsychoneuroendocrinology
Volume147
DOIs
StatePublished - Jan 2023

Keywords

  • Allostatic load
  • Cognition
  • Cognitive decline
  • Diabetes
  • Insulin resistance
  • Obesity

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