Articles tagged with Memory Disorders
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A UCSF clinical psychologist has taken aim at the NFL for using race norms to deny payouts to Black players diagnosed with dementia. She advocates for a more nuanced approach that accounts for social determinants of brain health, such as language and occupation, to provide fair compensation.
Researchers found that face masks obstruct facial cues, a crucial aspect of effective communication. The loss of visual information significantly impacts native and non-native speakers' ability to understand each other.
Researchers found that testing long-term memory recall predicted cognitive decline in healthy older people more accurately than classic memory tests. The study also showed that combining this test with an MRI brain scan improved accuracy in predicting Alzheimer's disease risk.
Researchers at UT Southwestern Medical Center have identified a unique population of cells that record both time and place in the brain, allowing for enhanced memory recall. These findings could provide the basis for new treatments to combat memory loss from conditions such as traumatic brain injury or Alzheimer's disease.
A recent study has identified a genetic variation that influences cognition and IQ in people with schizophrenia, suggesting the possibility of developing new therapies to target learning and memory problems. Higher levels of a specific brain chemical were found to be associated with better visual and working memory.
Scientists at the University of Basel have identified a key protein regulating long-term memory, found to decline with age. By studying roundworms, they discovered that a molecule called MPS-2 plays a central role in intact long-term memory and is also involved in age-related memory loss.
Researchers at Lund University developed an app that predicts Alzheimer's disease risk based on blood biomarker levels, providing a more reliable and accessible early diagnosis method than current cerebral spinal fluid (CSF) analyses.
A new study finds that anxiety is independently associated with cognitive decline and a faster progression to Alzheimer's disease, even in patients without genetic risk factors or brain volume loss. The researchers recommend screening for anxiety disorders in elderly individuals to potentially slow cognitive decline.
A study of women aged 80 found a significant association between air pollution exposure and increased depressive symptoms. Long-term exposure to nitrogen dioxide or fine particulate air pollution was linked to small but notable effects on depressive symptoms.
Researchers at Boston University used optogenetics to study the effects of alcohol on brain function and behavior. They found that artificially dampening fear responses in mice could mitigate addiction-related behaviors. This suggests that memory manipulation may be a promising approach to treating alcohol addiction.
Researchers at UCL have used laser beams to 'switch on' neurons in mice, showing how memories drive the brain's inner GPS system. The study uses an 'all-optical' approach to read and write activity in specific neurons, reactivating memories of a location where rewards were obtained.
A new study published in Neurology found an association between working for pay and slower memory decline, regardless of marital or parenthood status. Engaging in paid work may offer some protection against memory loss due to cognitive stimulation, social engagement or financial security.
A new study found that individuals with higher levels of positive affect had less steep memory decline over a nearly decade-long period. Positive emotions are associated with healthier aging, contradicting the notion that memories fade with age.
Researchers found that individuals with lower sustained attention ability and those who engage in heavy media multitasking perform worse on memory tasks. By monitoring pupil size and brain activity, scientists can predict whether an individual will remember or forget.
A brain protein that regulates time-keeping also plays a crucial role in normal memory formation, according to new research in fruit flies. Memory regulation by this protein, PDF, likely occurs without direct signaling to the main memory structure.
A new study from University of East Anglia and University of Florence reveals that faecal transplants can alter gut microbiome, impacting spatial learning and memory in mice. The procedure may hold promise as a therapy to combat cognitive decline among the elderly.
Researchers at RIKEN Center for Brain Science discovered a brain region called the SuM that detects new social experiences and segregates them from unfamiliar places. This finding can help understand normal memory and conditions where recognizing new information is impaired.
A study of 82 young adults with varying ApoE gene variants found no differences in memory performance, but distinct brain activity patterns, suggesting potential early disease processes. The researchers used functional MRI to examine the impact on the hippocampus, an area crucial for memory.
Researchers found that older people without cognitive problems who experience a fall may have already begun neurodegeneration leading to Alzheimer's dementia. The study suggests that falls in this population are linked to brain changes that can be prevented with environmental modifications.
Researchers at Newcastle University propose a new theory that links hearing loss to dementia, suggesting that the auditory system's impact on brain function may trigger Alzheimer's disease. The study identifies key aspects of this connection, including memory centers and cognitive impairment.
A study shows that friends who swap bodies experience changes in their self-perception and memory, highlighting the connection between our mental and physical selves. Participants who fully embraced their friend's body performed better on memory tests than those who felt disconnected from their own body.
A study by UC Santa Barbara researchers found that a disordered protein exhibits slow relaxations, defying expectations, and 'remembers' its previous stretching. This behavior is similar to glassy materials like memory foam and crumpled paper.
A new study published in Current Biology reveals that our brain standardizes all faces we perceive using the same process, making it easier to compare faces stored in memory. Researchers studied a man with hemi-prosopometamophosia, a rare condition causing distortions on one half of a person's face, regardless of viewing angle.
A new diagnostic definition for Functional Cognitive Disorder (FCD) has been established, allowing researchers to better characterise the condition and its prognosis. The criteria also hold promise for strengthening research into dementia by identifying patients for trials.
Researchers at UMass Amherst have identified a new regulatory role for CaMKII, a protein involved in calcium signaling, in the brain's memory center. They found that the hub domain of CaMKII plays a crucial role in tuning its sensitivity to calcium, opening up new avenues for investigation and potential therapeutic targets.
Dr. Tomás Ryan has received a highly prestigious award from the Lister Institute of Preventive Medicine to pursue research into infantile amnesia and its effects on learning. The prize will support his work on understanding the neurobiology of memory loss in early childhood.
A new study published in Redox Biology shows that the drug CMS121 successfully reversed memory loss in a mouse model of inherited Alzheimer's disease. The drug works by normalizing lipid peroxidation and lowering levels of fatty acid synthetase, suggesting FASN as a potential target for treating Alzheimer's disease.
Scientists discovered oxytocin can reverse Aβ-induced impairments in mouse hippocampus, suggesting potential therapeutic option for Alzheimer's. Oxytocin's effect is mediated through oxytocin receptors, and blocking them eliminates its ability to reverse damage.
A study of 449 older adults found that individuals with subjective felt memory problems also exhibited measurable cognitive deficits associated with Alzheimer's disease. The findings suggest that early diagnosis and therapy development could benefit from these results.
Researchers have discovered that synchronization of brain neurons is critical for establishing fear memories, which can become too strong in people with PTSD. The study found that synchronized neurons are more likely to be recalled from memory.
Scientists have identified a role for microglia in clearing the extracellular matrix, allowing new synapses to form and improving memory. Disrupting this process can lead to memory problems, including those seen in Alzheimer's and anxiety disorders.
Researchers found that brains use common words like 'pig' and 'tank' more often when recalling memories, suggesting a neural network connection. The study used memory tests, brain wave recordings, and surveys to support the idea that brains search for memories like search engines track information online.
A new study suggests that older adults spontaneously share fewer memories of their past experiences, with less detail in descriptions. Researchers analyzed daily conversations using a smartphone app and found this decline to be age-related, possibly linked to brain changes.
Researchers have identified neural networks behind conscious recollection of information, shedding light on how memories are retrieved for decision-making. The study found that specific neurons in the medial frontal cortex coordinate with those in the hippocampus to create 'memory pathways,' which are selectively switched on when needed.
Researchers identified mutations in the CNOT1 gene that affect brain development and impair memory and learning, suggesting potential therapeutic benefits. The study also revealed interactions between CNOT1 and known autism spectrum disorder genes, paving the way for further research.
Researchers found that smokers with higher math skills remembered more of the scary stats about smoking risks, leading to greater risk perception and intentions to quit. This study highlights the importance of numeracy in helping smokers make informed decisions.
A protein fragment derived from soybeans has been shown to improve working and long-term memory in mice with simulated Alzheimer's disease. The dipeptide, named Tyr-Pro, is the first known molecule to enter the brain intact after ingestion.
Researchers from Florida State University have uncovered new information about how Alzheimer's disease affects the brain during sleep. The study found that the interaction between two brain regions may contribute to symptoms experienced by patients, such as impaired memory and cognition. This discovery could lead to a better understand...
Researchers at the University of Edinburgh discovered that synapse type shifts with age in unique patterns across different brain areas. This shift helps explain why genes cause synapse damage at set ages and in set brain areas.
Research at DZNE reveals that experience encoding neurons interfere with memory containing neurons, disturbing recall of memories. Healthy mice and those with Alzheimer-like pathology were used to explore novel environments, showing a difference in brain activity.
Researchers discovered that memory recall processes in older adults resemble those in younger populations, but for those who struggle to remember, brain activity patterns are diminished. Stronger hippocampal activity and replay in the cortex were linked to better memory performance, regardless of age.
A new study reveals that the brain can update poorly formed memories with incorrect information, leading to inaccurate recall. The research suggests targeting updating mechanisms therapeutically to treat memory and anxiety disorders.
Researchers found that immune receptor TLR4 suppresses neuronal activity in the normal brain to improve signal-to-noise ratio, while increasing excitability after injury. Inhibiting TLR4 signaling reduces long-term working memory deficits and improves memory function weeks to a month after brain injury.
A study of 161 Japanese adults with Alzheimer's disease found that day service users experienced significant improvements in cognitive function over six months. The Mini-Mental State Examination scores showed notable enhancements in orientation, attention, memory, language, and visual-spatial skills.
A team of researchers has discovered that neural networks relevant to memory and learning are over-activated and connectivity is poor in mice with Down syndrome. Chronic treatment with epigallocatechin gallate improves memory deficits. The study identifies biomarkers in brain rhythms that can predict memory deficits.
A new study reveals how APOE4 triggers leaks in the brain's plumbing system, allowing toxic substances to seep into areas responsible for memory encoding and cognitive functions. The damage is linked to future problems in learning and memory, even when Alzheimer's signature sticky plaques have not appeared.
A study found that age-related hearing loss damages the brain's hippocampus, a key memory organ. The findings suggest that progressive hearing impairment impairs memory formation by altering neurotransmitter receptors.
Yale researchers identified a critical molecule in prefrontal cortex circuits that enables working memory. Activating this receptor may offer potential treatments for neurocognitive disorders like schizophrenia and Alzheimer's disease.
Scientists at Tokyo Metropolitan University have discovered that traumatic memories can be erased in Drosophila flies when exposed to environmental light. The team identified the molecular mechanism responsible for this effect, which involves the regulation of proteins in the brain.
Researchers discovered that resolvins, specialized lipids, can reduce inflammation and prevent memory loss in a preclinical model of Down syndrome. This finding has the potential to lead to new therapies for Alzheimer's disease, targeting inflammation as a key mechanism in healthy aging.
Researchers have identified a link between L-serine and memory problems in Alzheimer's disease. Supplying this amino acid as a nutritional supplement restored spatial memory affected early in mouse models.
A blood test measuring phosphorylated tau 181 (pTau181) shows promise in detecting Alzheimer's disease and mild cognitive impairment. The test's accuracy surpasses existing methods, offering a potential solution for early diagnosis and treatment.
A new epidemiological study found that women consuming at least two servings of walnuts per week had a greater likelihood of healthy aging compared to those who did not eat walnuts. The study, supported by the California Walnut Commission, suggests that adopting simple habits like snacking on walnuts can help slow down the effects of a...
A new study published in JAMA Network Open found that declines in both memory and gait speed are associated with an increased risk of dementia in adults 60 and older. The observational meta-analysis included six studies with over 8,700 participants from the US and Europe.
Scientists from Tokyo University of Science discovered that an opioid compound called KNT-127 can help mask fear memory, reducing anxiety in individuals with PTSD. The study suggests that combining KNT-127 with cognitive behavioral therapy may enhance treatment efficacy for anxiety disorders.
A study of 139,000 older Australians found strong links between certain food groups, such as fruit, vegetables, and protein-rich foods, and reduced memory loss and comorbid heart disease. Age-specific dietary guidelines may be necessary to prevent cognitive impairment in older populations.
A study by DZNE researchers found that a good blood supply to the hippocampus is crucial for healthy memory performance. Participants with doubly supplied hippocampi showed improved cognitive scores compared to those with single-supplied hippocampi or microbleeding, suggesting better oxygen delivery may be key.
Researchers at RMIT University found that microglia cells can be activated to boost memory performance in rats by up to 50%, reversing damage caused by neuroinflammation. This discovery could lead to the development of new treatments for cognitive decline and dementia.
A study by Kloft et al. found that cannabis use increases susceptibility to false memories and misinformation in mock crime scenarios. This research has significant implications for the questioning of cannabis-intoxicated eyewitnesses and suspects during investigative interviews.
Researchers found that neurons in the hippocampus become more synchronized when a memory is formed, enabling animals to form and retrieve episodic knowledge. This finding provides clues for the development of future therapies for diseases like dementia, autism, and PTSD.