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social isolation

·December 16, 2025·5 min read

Social Isolation Directly Speeds Up Cognitive Decline

Social isolation has a direct causal impact on how quickly cognitive function declines in later life, independent of whether someone feels lonely. By analyzing more than 137,000 cognitive tests from over 30,000 older adults, the study found that reduced social contact consistently predicted faster decline across every demographic group.

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·November 12, 2025·5 min read

Low Income, Vision Loss, and Isolation Drive Dementia Risk

A new study reveals that people with lower incomes and those from historically underrepresented racial and ethnic groups carry a higher burden of modifiable dementia risk factors. Vision loss and social isolation were among the most significant contributors for those living below the poverty line, suggesting that better access to healthcare and community support could have major protective effects.

This shows a child standing alone and a neural network.

Featured Neuroscience

·October 2, 2025·6 min read

Teen Solitude Linked to Measurable Changes in Brain Networks

Adolescents who regularly choose solitude over social connection show measurable differences in brain structure and function, according to a large neuroimaging study. Brain scans revealed altered activity and weaker connections in regions tied to social and emotional processing, with changes spanning multiple cognitive networks.

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·September 25, 2025·4 min read

Dopamine Links Social Isolation to Brain Myelin Damage

A new five-year study explores how dopamine may drive changes in brain myelin during social isolation. Researchers will track how dopamine interacts with oligodendrocytes, the cells responsible for producing myelin and supporting neuron function.

This shows an older woman sitting alone.

Auditory Neuroscience Featured Neuroscience Psychology

·May 15, 2025·4 min read

Loneliness Linked to 24% Higher Risk of Hearing Loss

A new study tracking nearly half a million participants over 12 years has revealed a strong, independent link between loneliness and an increased risk of hearing loss. Even after adjusting for genetic risk, health conditions, and lifestyle factors, lonely individuals had a 24% higher chance of developing hearing loss, especially sensorineural types.

Neuroscience

·April 12, 2025·4 min read

Social Variety Boosts Diet Quality in Women

A new study finds that older Canadian women who remain socially isolated over time are more likely to consume fewer fruits and vegetables, reducing their overall diet quality. Using data from over 30,000 adults tracked for six years, researchers discovered that sustained social engagement—especially through varied activities—was linked to healthier eating.

Featured Neuroscience Psychology

·December 9, 2024·5 min read

Older Adults Still Struggle with Loneliness and Isolation Post-Pandemic

Over one-third of Americans aged 50 to 80 continue to experience loneliness, and nearly as many feel socially isolated, even as rates return to pre-pandemic levels. Older adults with poor physical or mental health, lower incomes, or those not working remain disproportionately affected.

This shows a woman eating in a small cell.

Featured Neuroscience Psychology

·November 18, 2024·4 min read

Confined Spaces Change How We Smell and Experience Food

Researchers found that confined environments, like the International Space Station, alter the way people perceive food aromas, with emotions significantly coloring their responses. Using virtual reality to simulate space conditions, participants reported stronger smells for most aromas, except lemongrass, compared to a microgravity posture.

Featured Neurology Neuroscience

·October 22, 2024·4 min read

Loneliness Increases Dementia Risk by 31%

A large meta-analysis of over 600,000 people shows that experiencing loneliness significantly raises the risk of developing dementia by 31%. Researchers found that loneliness is a key factor in cognitive decline, contributing to conditions like Alzheimer's disease, regardless of age or sex.

This shows a man sitting alone on a bench.

Featured Neuroscience Psychology

·July 11, 2024·4 min read

Loneliness Worse for Memory Than Social Isolation

A new study finds that loneliness impacts memory more negatively than social isolation among older adults. Those who are both socially isolated and lonely experience the greatest memory decline, but loneliness alone also significantly harms memory.

Featured Neuroscience Psychology

·June 8, 2024·4 min read

Pandemic Reveals Unexpected Resilience in Isolated Seniors

Socially connected older adults in England experienced a sharper decline in quality of life and increased loneliness during the pandemic compared to their isolated peers. Researchers analyzed data from 4,636 individuals and found that isolated seniors faced fewer disruptions in their routines, offering them some protection against negative pandemic effects. However, socially isolated adults saw a greater decline in physical activity and financial worries. These findings underscore the complex impact of social connections during crises.

Featured Neuroscience Psychology

·May 19, 2024·4 min read

Love Hormone Oxytocin Eases Loneliness

A new study finds that oxytocin, the "cuddle hormone," can reduce acute feelings of loneliness and enhance bonding in group therapy settings for individuals experiencing chronic loneliness. While not a cure-all, oxytocin shows promise as a supportive tool during therapy, potentially helping patients better navigate the initial challenges of addressing their loneliness.