How Secondhand Psychological Stress Can Cause Depression
Summary: Mouse study shows chronic psychological stress reduces new neuron survival in the dentate gyrus of the hippocampus. Source: Tokyo University of…
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Why Dogs Have Puppy Dog Eyes: Evolution and Human Communication
Summary: Domestication altered dogs’ facial muscles in ways that improve their ability to communicate with people. A small muscle above the eye…
Sleep Apnea Linked to Higher Alzheimer’s Risk
Sleep Apnea May Increase Alzheimer’s Risk in Older Adults, Study Finds Summary: New longitudinal research reports a link between obstructive sleep apnea…
Predicting Human Speed Perception
Most scientific accounts of psychological mechanisms begin by observing behavior and then proposing theories to explain it. Researchers at the University of…
Verified Accounts Fuel Polarization and Echo Chambers
Summary: A new computational study demonstrates that prioritizing verified accounts in a social platform’s recommendation algorithms can deepen political polarization and promote…
Alcohol vs. Caffeine: How Each Affects Sleep
Summary: A six-week study of financial traders found an unexpected interaction between alcohol and caffeine: when used together, these substances can mask…
In Vitro Culture of Retinal Neurons: Lab Protocols
CRISPR-Engineered Stem Cells Yield Purified Human Retinal Ganglion Cells Laboratory advances may one day enable cell-based treatments for vision loss from glaucoma…
SSRIs Repurposed: Emerging Uses Beyond Depression
Summary: A new study from King’s College London identifies a key cellular process affected by selective serotonin reuptake inhibitors (SSRIs) and highlights…
Even One Drink Can Alter Your Brain, Study Shows
Summary: Researchers report that a single dose of alcohol can cause lasting changes in synapse structure and mitochondrial behavior in neurons. Source:…
3D Brain Model Links Alzheimer’s to Herpes Simplex Virus
Summary: Using a three-dimensional human brain tissue model, Tufts University researchers demonstrated a potential causal link between sporadic Alzheimer’s disease and herpes…
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