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Mood Dependent Effects of Ketamine on REM Eye Movements in Patients with Treatment Resistant Depression (TRD)

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Abstract

Both REM and NREM sleep are dysregulated in depression. REM dysregulation in MDD is thought to be partially linked to a deficient inhibitory influence of Process-S, leading to increased REM density (RD) and short REM latency (RL). Consistent with its effects on enhanced synaptic plasticity, ketamine increases SWS and early night slow-wave activity (SWA) in patients with TRD. Here we extend the examination of ketamine effects on rapid mood improvement to RD, an important marker of REM sleep in depression.

Hejazi, N., Yu, K., Park, L., Duncan, W., & Zarate, C. (2017). 861-Mood Dependent Effects of Ketamine on REM Eye Movements in Patients with Treatment Resistant Depression (TRD). Biological Psychiatry, 81(10), S348-S349. 10.1016/j.biopsych.2017.02.586
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