Your Daily digest for Psychology Research News -- ScienceDaily Daily Digest (Unofficial)

[Article Digests for Psychology & Social Work]

Psychology Research News -- ScienceDaily Daily Digest (Unofficial)

 

(https://www.sciencedaily.com/releases/2025/01/250115125726.htm) HKU study shows ruminating about being lonely is more closely linked to depression than actual loneliness
Jan 15th 2025, 12:57

Past studies have identified a loneliness-rumination-depression nexus. Rumination is defined as repetitive and intrusive negative thoughts and feelings, and loneliness as a gap between desired and actual social connections. Given a widely reported high co-occurrence between loneliness and depression, a research team sought to understand the underlying mechanisms.

(https://www.sciencedaily.com/releases/2025/01/250115125420.htm) Memory systems in the brain drive food cravings that could influence body weight
Jan 15th 2025, 12:54

A research team identified the brain's food-specific memory system and its direct role in overeating and diet-induced obesity. They found a specific population of neurons in the mouse brain that encode memories for sugar and fat, profoundly impacting food intake and body weight.

(https://www.sciencedaily.com/releases/2025/01/250115125408.htm) A molecule is shown to produce cognitive improvement in rodents with early Alzheimer's disease
Jan 15th 2025, 12:54

Scientists have come up with a drug that is a potential candidate for tackling memory deficits in the early stages of the disease in rodents. Research shows that the drug activates the cannabinoid neurotransmitter system (which protects the brain), and this stimulates the cholinergic system (which controls memory and learning) by increasing the synthesis of acetylcholine (a neurotransmitter in the brain that controls memory and learning). These results open up a promising therapeutic approach.

(https://www.sciencedaily.com/releases/2025/01/250115125055.htm) Researchers identify three psychological profiles that could determine the evolution of mental, cognitive and brain health in aging
Jan 15th 2025, 12:50

An international study has identified three psychological profiles associated with different patterns of cognitive and brain decline in aging. The study, which analyzed more than 1,000 middle-aged and older adults, shows that the specific psychological characteristics of each profile may influence the risk of developing dementia, as well as aspects such as the speed of brain decline and sleep quality. These findings open new perspectives for the design of more personalized prevention strategies.

(https://www.sciencedaily.com/releases/2025/01/250115124540.htm) How one brain circuit encodes memories of both places and events
Jan 15th 2025, 12:45

A computational model explains how place cells in the hippocampus can be recruited to form any kind of episodic memory, even when there's no spatial component.

Forwarded by:
Michael Reeder LCPC
Baltimore, MD

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