Summary: Researchers have identified how CBD interacts with cannabinoid receptors to mitigate the negative effects of THC, the psychoactive component of cannabis. Unlike THC, which fully activates the receptor and causes side effects like memory loss and addiction, CBD acts as a modulator, fine-tuning receptor activity.This discovery could lead to...
Sleeping Improves Emotionally Charged Memories During the Non-REM Step
Summary: Researchers have discovered that positive emotions enhance perceptual memories during sleep, particularly in the non-REM stage. Using mice, they found that memories linked to rewarding experiences lasted longer than neutral ones. The amygdala plays a key role in strengthening these memories by activating a tri-regional circuit with the motor...
How the Brain Recovers From Years of Intuitive Dread and Adapts to New Threats
Summary: Researchers have identified brain mechanisms that help animals suppress instinctive fear responses when threats prove harmless over time.Using a visual threat model in mice, they found that specific areas of the visual cortex are necessary for learning to override fear, but not for storing the memory. Instead, the ventrolateral...