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The negative effects of sleep deprivation on alertness and cognitive performance suggest decreases in brain activity and function. These changes primarily occur in two regions: the thalamus , a structure involved in alertness and attention, and the prefrontal cortex , a region subserving alertness, attention, and higher-order cognitive ...
Sleep deprivation may additionally affect memory by reducing the proliferation of cells in the hippocampus. [51] Sleep deprivation has also been associated with decreased overall membrane excitability of neurons in the brain. Activation of these membranes is critical for the formation of memories. [52]
This makes understanding the effects of sleep deprivation very important. Many studies have been done from the early 1900s to document the effect of sleep deprivation. The study of REM deprivation began with William C. Dement around 1960. He conducted a sleep and dream research project on eight subjects, all male.
Lack of sleep impacts the mind and body in many ways, with most immediate effects being impaired concentration, increased irritability, chronic headaches, reduced productivity, and, for drivers ...
Other health effects can include: Impaired brain function. Lack of sleep can make it hard to concentrate, remember things, and make good choices. ... Chronic sleep deprivation can promote systemic ...
Around 3.3 years after the sleep assessment, the participants underwent cognitive assessments and magnetic resonance imaging (MRI) scans to assess changes in brain structure.
The effects of REM sleep deprivation (RSD) on neurotrophic factors, specifically nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF), were assessed in 2000 by Sie et al. Neurotrophins are proteins found in the brain and periphery that aid in the survival, functioning and generation of neurons; this is an important element in ...
Though it’s normal to have trouble falling asleep and/or staying asleep occasionally, prolonged periods of sleepless nights and chronic sleep deprivation can harm not only our bodies, but our minds.