Aging differentially affects alpha and beta sensorimotor rhythms in a go/nogo task
| Autor: | Birgit Mathes, Christina Schmiedt-Fehr, Shwetha Kedilaya, Janna Krauss, Canan Basar-Eroglu |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Adult
Male Aging Alpha (ethology) Sensory system Electroencephalography 050105 experimental psychology 03 medical and health sciences 0302 clinical medicine Rhythm Physiology (medical) medicine Humans 0501 psychology and cognitive sciences Beta Rhythm Beta (finance) Aged medicine.diagnostic_test 05 social sciences Motor control Cognition Middle Aged Sensory Systems Alpha Rhythm Neurology Female Sensorimotor Cortex Neurology (clinical) Psychology Neuroscience Psychomotor Performance 030217 neurology & neurosurgery |
| Zdroj: | Clinical Neurophysiology. 127:3234-3242 |
| ISSN: | 1388-2457 |
| Popis: | Objectives This study compared sensorimotor alpha and beta brain oscillations in young and older adults, to examine their functional distinctness and susceptibility to aging. Methods Electroencephalographic data were compared between young (age 23 ± 3) and older adults (age 64 ± 7) in terms of event-related spectral perturbation in alpha and beta bands during a go/nogo task. Results Age selectively influenced beta rhythms, with younger compared to older adults showing, first, less attenuation during movement preparation and execution, and, second, a greater rebound after movement end. Alpha rhythms differed after response inhibition, with an additional alpha rebound occurring in older, but not younger adults. Conclusion The results indicate neural over-recruitment in healthy aging, which appears most likely linked to alterations in multiple factors associated with sensory and cognitive aspects of motor control, and which does not consistently or directly impact response speed. Significance The results imply that sensorimotor alpha and beta rhythms may reflect different neural trajectories in aging. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect