Cognitive flexibility: How neural variability shapes decision-making in different brains

by Tejasri Gururaj , Medical XpressNeural computations underlying flexible decision-making in rats. Credit: Dr. Marino PaganResearchpublishedinNaturehas revealed that neural co

Updated on: January 14,2025

Cognitive flexibility: How neural variability shapes decision-making in different brains

by Tejasri Gururaj , Medical XpressNeural computations underlying flexible decision-making in rats. Credit: Dr. Marino PaganResearchpublishedinNaturehas revealed that neural co

Updated on:January 14,2025

Experimental study in rats and humans show cognitive effort whets the appetite for reward

by PNAS NexusEffects of cognitive effort without rest on cocaine self-administration. Experimental design (A), time course (B) and average in the last 3 days of self-administration (C) of number of in

Updated on: November 07,2024

Experimental study in rats and humans show cognitive effort whets the appetite for reward

by PNAS NexusEffects of cognitive effort without rest on cocaine self-administration. Experimental design (A), time course (B) and average in the last 3 days of self-administration (C) of number of in

Updated on:November 07,2024

Alzheimer's more versatile than previously known

by Lund UniversityThe illuminated spotes (red, yellow and green) indicate an accumulation of the protein beta-amyloid. The top row shows the brain of a patient diagnosed with Alzheimer's dise

Updated on: February 28,2024

Alzheimer's more versatile than previously known

by Lund UniversityThe illuminated spotes (red, yellow and green) indicate an accumulation of the protein beta-amyloid. The top row shows the brain of a patient diagnosed with Alzheimer's dise

Updated on:February 28,2024

How 40Hz sensory gamma rhythm stimulation clears amyloid in Alzheimer's mice

by Massachusetts Institute of TechnologyBright staining highlights VIP-expressing interneurons in this coronal cross-section of a mouse brain. The neurons may help drive glymphatic clearance of a

Updated on: March 08,2024

How 40Hz sensory gamma rhythm stimulation clears amyloid in Alzheimer's mice

by Massachusetts Institute of TechnologyBright staining highlights VIP-expressing interneurons in this coronal cross-section of a mouse brain. The neurons may help drive glymphatic clearance of a

Updated on:March 08,2024

Hearing loss linked to early memory and thinking problems

by Alzheimer's Research UKResearchers at the Alzheimer's Association International Conference 2017 have suggested that people with a family history of Alzheimer's disease who experien

Updated on: March 07,2024

Hearing loss linked to early memory and thinking problems

by Alzheimer's Research UKResearchers at the Alzheimer's Association International Conference 2017 have suggested that people with a family history of Alzheimer's disease who experien

Updated on:March 07,2024

Brain stimulation did not improve impaired motor skills after stroke: Clinical trial

Updated on: February 28,2025

Brain stimulation did not improve impaired motor skills after stroke: Clinical trial

Updated on:February 28,2025

Top researchers advocate united actions to fight Alzheimer's disease

by Karolinska InstitutetTo meet the challenge of Alzheimer's disease and other dementias, a concerted effort and long-term economic commitment is needed, according to a new expert report by i

Updated on: February 28,2024

Top researchers advocate united actions to fight Alzheimer's disease

by Karolinska InstitutetTo meet the challenge of Alzheimer's disease and other dementias, a concerted effort and long-term economic commitment is needed, according to a new expert report by i

Updated on:February 28,2024

Drop in body temperature linked to aging aggravates manifestations of Alzheimer's disease

by Laval UniversityDiagram of the brain of a person with Alzheimer's Disease. Credit: Wikipedia/public domain.The drop in body temperature associated with aging could aggravate the main manif

Updated on: February 28,2024

Drop in body temperature linked to aging aggravates manifestations of Alzheimer's disease

by Laval UniversityDiagram of the brain of a person with Alzheimer's Disease. Credit: Wikipedia/public domain.The drop in body temperature associated with aging could aggravate the main manif

Updated on:February 28,2024

Potassium-enriched salt shows promise for cutting recurrent stroke risk in clinical trial

Updated on: April 09,2025

Potassium-enriched salt shows promise for cutting recurrent stroke risk in clinical trial

Updated on:April 09,2025

Visual mismatch negativity identified as a mechanism of Parkinson's disease psychosis

byKing's College LondonGraphical Abstract. Credit:Brain Communications(2024). DOI: 10.1093/braincomms/fcae291Reduced brain activity responding to unpredicted visual changes is a

Updated on: October 16,2024

Visual mismatch negativity identified as a mechanism of Parkinson's disease psychosis

byKing's College LondonGraphical Abstract. Credit:Brain Communications(2024). DOI: 10.1093/braincomms/fcae291Reduced brain activity responding to unpredicted visual changes is a

Updated on:October 16,2024

Study of older people shows lower risk of dementia with higher levels of apolipoprotein E in HDL

by Bob Yirka , Medical XpressA team of researchers affiliated with multiple institutions across the U.S. has found that older people who have heightened levels of apolipoprotein E in their high-densit

Updated on: March 07,2024

Study of older people shows lower risk of dementia with higher levels of apolipoprotein E in HDL

by Bob Yirka , Medical XpressA team of researchers affiliated with multiple institutions across the U.S. has found that older people who have heightened levels of apolipoprotein E in their high-densit

Updated on:March 07,2024

Hope for Alzheimer's blood test

by Macquarie UniversityBoxplots comparing plasma Aβ1-42/Aβ1-40 ratio, p-tau181, GFAP, and NfL between CU Aβ−, CU Aβ+, MCI Aβ−, MCI Aβ+, and AD Aβ+ groups at timepoint 1. Plasma measures were comp

Updated on: March 30,2024

Hope for Alzheimer's blood test

by Macquarie UniversityBoxplots comparing plasma Aβ1-42/Aβ1-40 ratio, p-tau181, GFAP, and NfL between CU Aβ−, CU Aβ+, MCI Aβ−, MCI Aβ+, and AD Aβ+ groups at timepoint 1. Plasma measures were comp

Updated on:March 30,2024