Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2005) 04, 300 - 313

Research article
Effect of Strength and Endurance Training on Cognition in Older People
Gül Y. Özkaya1, Hülya Aydin2, Füsun N. Toraman1, , Ferah Kizilay2, Özgür Özdemir1, Vedat Cetinkaya1
Author Information
1 School of Physical Education and Sports, Akdeniz University, Antalya, Turkey
2 Department of Neurology, Medical Faculty, Akdeniz University, Antalya, Turkey

Füsun N. Toraman
✉ School of Physical Education and Sports, Akdeniz University, 07058, Antalya, TURKEY.
Email: ftoraman@akdeniz.edu.tr
Publish Date
Received: 12-04-2005
Accepted: 18-07-2005
Published (online): 01-09-2005
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ABSTRACT

The purpose of this study was to investigate the effect of moderate strength and endurance training on cognition evaluated by event-related potentials (ERP) in older people. Thirty-six adults, aged 60-85 years, were randomly divided into three groups: sedentary control (C), strength training (ST), and endurance training (ET). Participants performed functional fitness tests and ERP data were recorded before and after nine weeks of training. Training involved three sessions per week. Functional fitness test performance improved significantly in the ST and ET groups. The latencies of the N1, N2, and P2 components and the amplitudes of the N1P2, P2N2, and N2P3 components differed significantly between groups (p < 0.05). After training, the latencies of the P2 and N2 components at the Fz and Cz sites, decreased significantly, and the amplitudes of the N1P2, P2N2, and N2P3 components at the Fz site and the N1P2 and N2P3 components at the Cz site, increased significantly in the ST group compared with the ET group. After training, the latencies of N1, N2, and P2 components shortened significantly, and the amplitudes of the N1P2, P2N2, and N2P3 components increased significantly in the ST group compared with the C group. The latencies of the N2 and P2 components shortened significantly in the ET group compared with the C group, although the amplitudes of the ERP recordings did not differ significantly between groups. These data suggest that strength training might facilitate early sensory processing and cognitive functioning in older individuals.

Key words: Exercise training, cognitive function, aging, event-related potentials, functional fitness


           Key Points
  • Strength training may have facilitating effects on early information processing and cognition in older people.
  • It is interesting that only small improvements in functional fitness affected cognitive performance.
  • More research is needed to determine how the different exercise regimens contribute to discrete changes in CNS functioning and how such changes affect the P3 component of the ERP.
 
 
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