In these two new studies a new hypothesis for explaining the effectiveness of ECT as a treatment for depression symptoms proposes that ECT alleviates symptoms by increasing aperiodic activity, a type of electrical activity in the brain that doesn’t follow a consistent pattern and is generally considered to be the brain’s...
TLDR The messages were shorthand meteorological readings for multiple locations at specific times. It was a unique form of code used to transmit weather data via telegram back in the 1800s that is the predecessor of the shorthand used today.
Timing and quantity of sleep depend on a circadian (∼24-h) rhythm and a specific sleep requirement. Sleep curtailment results in a homeostatic rebound of more and deeper sleep, the latter reflected in increased electroencephalographic (EEG) slow-wave activity (SWA) during non-rapid eye movement (NREM) sleep. Circadian rhythms...