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Wed May 15 01:38:40 PDT 2024

Science Daily Mind & Brain


( People without an inner voice have poorer verbal memory
May 14th 2024, 14:13

The vast majority of people have an ongoing conversation with themselves, an inner voice, that plays an important role in their daily lives. But between 5-10 per cent of the population do not have the same experience of an inner voice, and they find it more difficult to perform certain verbal memory tasks, new research shows.

( Some brain cells age faster and are more prevalent in Alzheimer's
May 14th 2024, 14:13

Engineers have discovered that some brain cells age more rapidly than others, and they are disproportionately abundant in individuals afflicted with Alzheimer's disease. Additionally, researchers observed male-female-specific differences in the aging process of certain brain cells, with the female cortex exhibiting a higher ratio of 'old' oligodendrocytes to 'old' neurons compared to the male cortex. The discoveries were made possible by a new technique called MUSIC (multinucleic acid interaction mapping in single cells), which allows researchers to peek inside individual brain cells and map out interactions between chromatin--which is the tightly coiled form of DNA -- and RNA.

( Mixed public opinion on polygenic embryo screening for IVF
May 14th 2024, 14:12

Survey reveals nearly three-quarters of U.S. adults support using emerging technology to screen embryos during IVF for risk of developing certain health conditions or traits that arise from more than one gene. Only about one-third of respondents approved of using the technology to predict traits unrelated to disease. Nearly all expressed concerns about potential negative outcomes for individuals or society. Findings underscore need for public education about benefits, limitations, ethical hazards of polygenic risk scores for embryos.

( Innovative 'mini-brains' could revolutionize Alzheimer's treatment
May 14th 2024, 14:12

New research could revolutionize the way Alzheimer's and other brain-related diseases are diagnosed and treated -- by building tiny brains in a petri dish.

( AI intervention mitigates tension among conflicting ethnic groups
May 10th 2024, 11:14

While intergroup interaction is a prerequisite for initiating peace and stability, there is the risk of further escalation from direct interactions. A shortage of an impartial electronic contact session may cause the process to become destabilized. Interactive AI programs may help reduce prejudice and anxiety among historically divided ethnic groups in Afghanistan during online interactions.

Forwarded by:
Michael Reeder LCPC
Baltimore, MD

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