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[Article Digests for Psychology & Social Work]

Psychology Research News -- ScienceDaily Daily Digest (Unofficial)

 

(https://www.sciencedaily.com/releases/2024/09/240924165725.htm) Psychedelics excite cells in hippocampus to reduce anxiety
Sep 24th 2024, 16:57

A classic psychedelic, similar to LSD, psilocybin and mescalin, was found to activate a cell type in the brain that silences other neighboring neurons, a result that provides insight into how such drugs reduce anxiety, according to a new study.

(https://www.sciencedaily.com/releases/2024/09/240924123011.htm) Common brain network detected among veterans with traumatic brain injury could protect against PTSD
Sep 24th 2024, 12:30

Researchers analyzed 193 patients from the Vietnam Head Injury Study with penetrating traumatic brain injury to determine if the location of shrapnel damage to their brains influenced risk of developing PTSD. Damage to areas connected to the amygdala was associated with a lower chance of developing PTSD. The study suggests lesions that could protect against PTSD map to a specific brain circuit connected to the amygdala and the medial prefrontal cortex.

(https://www.sciencedaily.com/releases/2024/09/240924123006.htm) Lengthened consonants mark the beginning of words
Sep 24th 2024, 12:30

Speech consists of a continuous stream of acoustic signals, yet humans can segment words from each other with astonishing precision and speed. To find out how this is possible, a team of linguists has analysed durations of consonants at different positions in words and utterances across a diverse sample of languages. They have found that word-initial consonants are, on average, around 13 milliseconds longer than their non-initial counterparts. The diversity of languages for which this effect was found suggests that this might be a species-wide pattern -- and one of several key factors for speech perception to distinguish the beginning of words within the stream of speech.

(https://www.sciencedaily.com/releases/2024/09/240923110719.htm) Social media posts may provide early warning of PTSD problems
Sep 23rd 2024, 11:07

Scientists have analyzed millions of tweets to identify COVID-19 survivors living with post-traumatic stress disorder (PTSD) -- demonstrating the effectiveness of using social media data as a tool for early screening and intervention.

Forwarded by:
Michael Reeder LCPC
Baltimore, MD

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