Why are emotional events easier to remember?

Why are emotional events easier to remember?

Pakyong, January 28: The majority of people have vivid memories of emotionally charged events, such as their wedding day, but scientists are investigating how the human brain processes these memories. I’m not sure how to sort it out. Joshua Jacobs, associate professor of biomedical engineering at Columbia Engineering, and his team tagged information with emotional relevance to improve memory, in a study published January 16, 2023 in Nature Human Behavior. I discovered a specific neural mechanism in the human brain that attaches Researchers have shown that memory improvement in response to emotional stimuli depends on high-frequency electroencephalograms in the hippocampus and amygdala, two brain regions involved in memory and emotional processing, respectively. When this nervous system is disrupted by electrical stimulation of the brain or by depression, memory is impaired, especially for emotional stimuli.

Most people can recall emotional events like their wedding day in great detail, but scientists don’t know how the human brain organizes these memories. In their study, published January 16, 2023 in Nature Human Behavior, Joshua Jacobs, associate professor of biomedical engineering at Columbia Engineering, and his group discovered a specific neural mechanism in the human brain. bottom. memory. The hippocampus and amygdala, two brain regions responsible for memory and emotional processing, respectively, have been shown to rely on high-frequency EEG to improve memory for emotional input. When this nervous system is disturbed by electrical stimulation of the brain or by depression, memory is impaired, especially for emotional stimuli.

By systematically describing the emotional relevance of each word using crowdsourced sentiment assessments, participants were more likely to prefer “dog” and “knife” over less relevant terms like “chair”. ” and other words with strong emotional associations. The amygdala-hippocampal circuit showed an increase in high-frequency neural activity (30–128 Hz) each time it was effective for participants to recall emotional words, according to a study of corresponding brain activity. No patterns were seen when participants remembered more neutral terms or did not remember words at all. When the researchers examined this pattern in a large dataset of 147 patients, the incidence of high-frequency EEG in the amygdala-hippocampal circuit was significantly correlated with improved recall of emotional words in participants. I found out that there is

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