The relationship between gamma frequency and running speed differs for slow and fast gamma rhythms in freely behaving rats.

ABSTRACT: In hippocampal area CA1 of rats, the frequency of gamma activity has been shown to increase with running speed (Ahmed and Mehta, 2012). This finding suggests that different gamma frequencies simply allow for different timings of transitions across cell assemblies at varying running speeds, rather than serving unique functions. However, accumulating evidence supports the conclusion that slow (∼25-55 Hz) and fast (∼60-100 Hz) gamma are distinct network states with different functions. If slow and fast gamma constitute distinct network states, then it is possible that slow and fast gamma frequencies are differentially affected by running speed. In this study, we tested this hypothesis and found that slow and fast gamma frequencies change differently as a function of running speed in hippocamp

SUBMITTER: Zheng C 

PROVIDER: S-EPMC4499477 | biostudies-literature | 2015 Aug

REPOSITORIES: biostudies-literature