7. Thalamic mechanisms in the generation and modulation of the cortical slow oscillation in mice

It is well established that thalamus plays a crucial role in the generation of the synchronous slow oscillation in the cortex during non-REM sleep. The slow/delta power (0.2–4Hz) is the main measured factor of the quality of sleep. However, the contribution of different thalamic nuclei to the inception of the slow wave activities and its synchronization is not known. We hypothesized that the first-order (specific) thalamic nuclei provide a control of slow waves in primary cortical areas, while higher-order (non-specific) thalamic nuclei may synchronize the slow-wave activities across wide cortical regions.

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