Study reveals the extinction of larger animals led to an increase in the volume of the human brain, and ultimately the development of language in early humans.
Cortisol administration after exposure has no beneficial effects for patients suffering from phobias or anxiety disorders. Arachnophobics who received cortisol following exposure were more likely to relapse when they encountered spiders in a different context.
Newly identified 'extinction neurons' in the hippocampus suppress fearful memories when activated, and allow the memories to return when deactivated. The findings may provide new treatment avenues for PTSD, phobias, and anxiety.
According to a new study, playing the popular video game Tetris may help people with PTSD to alleviate recurring visual memories of their traumatic experiences. Researchers report after playing Tetris, PTSD patients reported a decrease in the number of flashbacks related to the trauma they experienced.
A new neuroimaging study reveals imagination may help people with fear or anxiety disorders overcome them. The study reports imagining a threat can alter the way it is represented in the brain.
Researchers report dopamine neurons may play a role in fear extinction. The study suggests targeting dopamine neurons in the ventral tegmental area could be of therapeutic benefit to reduce the impact of learned fear in PTSD and anxiety disorders.
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RIKEN researchers report neurons in the locus coeruleus play a key role in emotional and flexible learning.
A new study reveals chronic cocaine users have a global impairment of the ventromedial prefrontal cortex.
According to a new study, adjusting behaviors based on previous events involves neurons working together in the prefrontal cortex.