Neuroimaging of cognitive dysfunction and depression in aging retired national football league players

John Hart, Michael A. Kraut, Kyle B. Womack, Jeremy Strain, Nyaz Didehbani, Elizabeth Bartz, Heather Conover, Sethesh Mansinghani, Hanzhang Lu, C. Munro Cullum

Research output: Contribution to journalArticle

155 Citations (Scopus)

Abstract

Objectives: To assess cognitive impairment and depression in aging former professional football (National Football League [NFL]) players and to identify neuroimaging correlates of these dysfunctions. Design: We compared former NFL players with cognitive impairment and depression, cognitively normal retired players who were not depressed, and matched healthy control subjects. Setting: Research center in the North Texas region of the United States. Patients: Cross-sectional sample of former NFL players with and without a history of concussion recruited from the North Texas region and age-, education-, and IQ-matched controls. Thirty-four retired NFL players (mean age, 61.8 years) underwent neurological and neuropsychological assessment. A subset of 26 players also underwent detailed neuroimaging; imaging data in this subset were compared with imaging data acquired in 26 healthy matched controls. Main Outcome Measures: Neuropsychological measures, clinical diagnoses of depression, neuroimaging measures of white matter pathology, and a measure of cerebral blood flow. Results: Of the 34 former NFL players, 20 were cognitively normal. Four were diagnosed as having a fixed cognitive deficit; 8, mild cognitive impairment; 2, dementia; and 8, depression. Of the subgroup in whom neuroimaging data were acquired, cognitively impaired participants showed the greatest deficits on tests of naming, word finding, and visual/verbal episodic memory. We found significant differences in white matter abnormalities in cognitively impaired and depressed retired players compared with their respective controls. Regional blood flow differences in the cognitively impaired group (left temporal pole, inferior parietal lobule, and superior temporal gyrus) corresponded to regions associated with impaired neurocognitive performance (problems with memory, naming, and word finding). Conclusions: Cognitive deficits and depression appear to be more common in aging former NFL players compared with healthy controls. These deficits are correlated with white matter abnormalities and changes in regional cerebral blood flow.

Original languageEnglish (US)
Pages (from-to)326-335
Number of pages10
JournalJAMA Neurology
Volume70
Issue number3
DOIs
StatePublished - Mar 2013

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Football
Neuroimaging
Depression
Cerebrovascular Circulation
Regional Blood Flow
Parietal Lobe
Episodic Memory
Temporal Lobe
Cognitive Dysfunction
Players
League
Dementia
Healthy Volunteers
Outcome Assessment (Health Care)
Pathology
Education
Research
White Matter

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Clinical Neurology

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Neuroimaging of cognitive dysfunction and depression in aging retired national football league players. / Hart, John; Kraut, Michael A.; Womack, Kyle B.; Strain, Jeremy; Didehbani, Nyaz; Bartz, Elizabeth; Conover, Heather; Mansinghani, Sethesh; Lu, Hanzhang; Cullum, C. Munro.

In: JAMA Neurology, Vol. 70, No. 3, 03.2013, p. 326-335.

Research output: Contribution to journalArticle

Hart, John ; Kraut, Michael A. ; Womack, Kyle B. ; Strain, Jeremy ; Didehbani, Nyaz ; Bartz, Elizabeth ; Conover, Heather ; Mansinghani, Sethesh ; Lu, Hanzhang ; Cullum, C. Munro. / Neuroimaging of cognitive dysfunction and depression in aging retired national football league players. In: JAMA Neurology. 2013 ; Vol. 70, No. 3. pp. 326-335.
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