Mental and Cognitive Health Library
Every article, presentation, spotlight, and news item we've tagged to Mental and Cognitive Health.
Showing 169–192 of 203
AI model detects Alzheimer's pathology before symptom onset
A convolutional neural network model (AlzheiNN) achieves 99.7% accuracy in classifying Alzheimer's disease from neuroimaging data, outperforming traditional diagnostic methods. Early and accurate detection of neurodegenerative disease significantly impacts the window for intervention and the trajectory of cognitive decline.
Shared Experience of Physical Vitality and Social Participation Among Caregiving Dyads: Comparing Dyads With and Without Dementia
Caregiving relationships that maintain shared physical activity and social engagement protect against isolation and functional decline in aging adults, with dementia-affected dyads showing particular vulnerability. The structure of caregiving partnerships—whether they preserve mutual participation or devolve into dependency—predicts health trajectories independent of diagnosis.
Aging effects on emotionality, cognition and brain mononuclear cells in Sprague-Dawley rats of both sexes
Aging in rats produces sex-dependent changes in emotional regulation, cognitive function, and brain immune cell populations, with females showing greater cognitive decline and males exhibiting more pronounced emotional dysregulation. These findings suggest that neuroinflammation and immune cell dynamics contribute to cognitive and emotional aging, with implications for understanding sex-specific vulnerabilities in human neurodegenerative conditions.
Affecting a Signaling Pathway Alleviates Alzheimer’s in Mice
Somatostatin overexpression in neurons reduces microglial activation and inflammatory signaling while enhancing amyloid-β clearance in an Alzheimer's mouse model. Existing drugs targeting this pathway suggest translational potential for addressing neuroinflammation in cognitive decline.
Autophagy angle sharpens Anavex’s investment case for Alzheimer’s
Research published in PNAS Nexus proposes that autophagy dysfunction—a slowdown in cellular recycling—precedes amyloid and tau pathology in Alzheimer's disease. This upstream mechanism shifts the therapeutic target from clearing late-stage debris to restoring the cell's natural cleanup capacity earlier in disease progression.
Structural signature of plasma proteins classifies the status of Alzheimer’s disease
Plasma protein structural changes—not just abundance—distinguish Alzheimer's disease progression and predict disease status independent of traditional genetic risk markers. This approach identifies conformational biomarkers that shift with disease stage, genotype, and sex, offering a measurable window into pathological mechanisms before cognitive decline becomes severe.
Nanoplastics found in the brain raise new aging questions
Nanoplastics have been detected in human brain tissue and show correlation with neurodegenerative disease severity and accelerated aging markers. The particles' ability to cross biological barriers and interact with pathological proteins suggests chronic, low-level exposure represents a longevity risk distinct from acute toxicity.
CorTec receives FDA breakthrough device designation
The FDA granted Breakthrough Device Designation to CorTec's Brain Interchange, a fully implantable wireless brain-computer interface that uses closed-loop neural recording and adaptive stimulation to restore motor function in chronic stroke patients. Early clinical data show meaningful upper-limb recovery in patients whose progression had plateaued under conventional therapy.
Blarcamesine links functional and cognitive outcomes in AD-004 trial
Blarcamesine demonstrated a measurable correlation between MRI-detected preservation of brain volume and slowing of cognitive decline in early Alzheimer's disease, with particularly strong outcomes in a genetically defined subpopulation. Long-term data suggest a potential delay in functional deterioration of approximately 18 months over 33 months of treatment.
Anavex highlights shared autophagy biology in autism and Alzheimer’s
Anavex presents evidence linking autism spectrum disorder and Alzheimer's disease through impaired autophagy and synaptic dysfunction, proposing that restoring cellular clearance pathways via their compound Blarcamesine may address both conditions. The finding connects neurodevelopmental and neurodegenerative disease through a shared cellular mechanism, with epidemiological data showing autistic adults face substantially elevated dementia risk.
Stroke in persistent chronic kidney disease condition alters innate-immunity to escalate mitochondrial dysfunction and aging
Stroke in the context of chronic kidney disease triggers immune dysregulation that accelerates mitochondrial dysfunction and aging processes. This cascade reveals how organ system failure in one area can compromise cellular energy production and immunity simultaneously, with significant implications for longevity in populations with renal compromise.
Brain health ‘collaboratory’ focuses on non-invasive Alzheimer’s therapy
Cognito Therapeutics and Ochsner Health are partnering to test Spectris, a non-invasive neuromodulation device that delivers synchronized light and sound stimulation to restore gamma oscillations disrupted in Alzheimer's disease. Early evidence shows the approach slows cognitive decline and reduces brain volume loss, with the collaboration designed to evaluate real-world clinical implementation across diverse healthcare settings.
Direct-to-Brain Stem Cells Reduce Tau in Alzheimer's
Regeneration Biomedical's direct-to-brain stem cell therapy received FDA Fast Track designation for Alzheimer's disease, following Phase 1 data showing safety, reductions in phosphorylated tau, and improved amyloid PET measures. This represents a shift toward regenerative approaches that address neurodegeneration at the cellular level rather than symptomatic management alone.
Using mRNA to Fight Tau Aggregation in Alzheimer’s
Researchers developed a lipid nanoparticle that delivers mRNA encoding TRIM11, a natural ligase that disaggregates tau tangles, across the blood-brain barrier in mouse models of Alzheimer's disease. Treatment produced sustained cognitive and behavioral restoration comparable to wild-type mice, with reduction in tau pathology and neuroinflammatory markers.
SuperAgers Challenge Genetic Destiny in Brain Aging
SuperAgers—individuals in their 80s and 90s with memory performance matching those in their 50s and 60s—carry the same genetic risk variants for Alzheimer's disease as cognitively average older adults, indicating that exceptional brain aging is not determined by inherited genetic advantage. This finding redirects focus from genetic destiny to the biological and behavioral mechanisms that actively protect cognitive function across the lifespan.
The mouth-body connection: why oral health matters for longevity
Oral health functions as a systemic gateway affecting breathing mechanics, sleep quality, inflammation, and metabolism rather than existing as an isolated dental concern. Optimizing breathing patterns, airway function, and oral microbiota through evidence-based dental and postural interventions produces measurable improvements in cardiovascular health, sleep architecture, and immune function.
The Adiponectin‐PP2A Pathway Confers Cognitive Benefits of Physical Exercise Against Chronic Stress‐Induced Tau Hyperphosphorylation in the Hippocampus
Physical exercise elevates circulating adiponectin, which activates PP2A phosphatase in the hippocampus to reduce pathological tau phosphorylation and restore cognitive function under chronic stress. This mechanism operates independently of adiponectin's other metabolic functions and identifies a direct molecular pathway by which exercise protects against Alzheimer's-like neuropathology.
Cross-Sectional and Longitudinal Associations Among Loneliness, Depression/Anxiety, and the Subjective and Chronological Age Difference in Older Adults
Loneliness and depression/anxiety in older adults correlate with feeling older than one's chronological age, with longitudinal evidence suggesting emotional distress may accelerate subjective aging. This relationship has direct implications for how psychological states influence biological aging trajectories.
Affecting a Signaling Pathway Alleviates Alzheimer’s in Mice
Overexpression of somatostatin, a neuropeptide normally produced by neurons, reduces microglial activation and amyloid-β burden while improving cognitive function in an Alzheimer's disease mouse model. The finding identifies a previously untested communication pathway between neurons and immune cells that becomes dysregulated in the disease and offers a target for existing pharmaceuticals.
Ageism Reduction in Clinical Settings Improves Care Quality
An educational intervention combining aging literacy and structured contact with older adults reduced ageist attitudes among healthcare providers in a quasi-experimental design. This addresses a systemic barrier to quality care delivery across medical practice, where provider bias directly influences diagnostic accuracy, treatment intensity, and patient outcomes.
Gut Bacteria Might Affect Cognition via the Vagus Nerve
Age-related cognitive decline involves microbiome remodeling, with Parabacteroides goldsteinii identified as a primary driver that suppresses neuronal activation in the hippocampus via the vagus nerve. Antibiotic treatment reverses the cognitive deficit even after it develops, establishing the microbiome as a modifiable mechanism rather than an irreversible consequence of aging.
Modifiable Risk Factors Unify Walking Limitation and Mortality
Walking limitation onset occurs approximately 12 years earlier in low-income countries compared to high-income countries, and both walking limitation and mortality share modifiable risk factors accounting for roughly one-third of population-level disability risk. This finding identifies a critical intervention window in mid-life where integrated prevention strategies could simultaneously reduce disability and premature death across socioeconomic contexts.
#384 – Special episode — Obicetrapib: The CETP inhibitor with cardiovascular benefits and potential Alzheimer’s prevention
Obicetrapib, a CETP inhibitor, demonstrates cardiovascular benefits and potential neuroprotective effects against Alzheimer's disease—outcomes that distinguish it from four previous compounds in this drug class. The mechanism addresses both systemic lipid metabolism and cerebral amyloid pathology, making it relevant to multi-system longevity strategies.
Reproductive Behavior Buffers Genetic Aging Risk
Reproductive behaviors interact with genetic susceptibility to modulate aging trajectories, with certain lifestyle patterns amplifying or buffering age-acceleration risk in genetically predisposed individuals. This research identifies a modifiable behavioral layer that operates independently of genetic burden, suggesting that aging rate is not fixed by inheritance alone.