Beth Israel Deaconess Medical Center
The study is designed to investigate the impact of three nights of sleep restricted to 4 hours per night, on the processing and regulation of emotional information compared to Insomnia Disorder and control. The investigators will address and attempt to answer two questions. (i) How do three nights of reduced sleep or a diagnosis of Insomnia Disorder affect the processing and regulation of emotional information compared to typical, undisturbed sleep? (ii) What overlapping and distinct neural mechanisms are engaged and associated with behavioral effects when attempting to process and regulate emotions in a sleep restricted state or with a clinical diagnosis of Insomnia Disorder? This study will investigate sleep's role in emotion processing and regulation. The findings will help further understanding of the role of sleep in healthy emotional functioning.
Goal 1: How does sleep loss and clinical sleep disruption (i.e. Insomnia Disorder) impact emotion perception and emotion regulation? The investigators are interested in how chronic loss of sleep, either through artificially restricting sleep or clinically related sleep disturbance, impairs our ability to properly perceive and regulate our responses to emotional information using various emotion regulation strategies. There has been research on the effect of sleep loss on broad areas of cognition, such as attention, working memory, and reasoning ability, but the impact of long-term sleep loss o…
Inclusion Criteria: * willing and able to follow the protocol * willing and able to meet inclusion criteria for fMRI scanning * willing to refrain from alcohol and recreational drugs for the duration of the protocol * normal or corrected to normal vision is required Exclusion Criteria: * left-handedness or ambidexterity * the use of any drugs that could affect either sleep or cognitive functioning (e.g., prescription sleeping pills or antidepressants)
Three nights of sleep restricted to 4 hours per night.
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