A new study by researchers at UC Davis Health and Kaiser Permanente found that long-term exposure to fine air pollution particles (PM2.5) is associated with lower semantic memory, a type of brain's encyclopedia. The study analyzed data from 740 adults aged 53-94 and found no impact on executive function or verbal episodic memory.
Researchers used fMRI and predictive modeling to decode emotional dimensions of spontaneous thoughts, revealing the involvement of default mode, ventral attention, and frontoparietal networks. The study's findings hold promise for daydream decoding and potential applications in mental health.
A new study found that traumatic memories in people with PTSD are represented in the brain in a distinct way, deviating from regular memory processing. The hippocampus and posterior cingulate cortex regions showed different neural responses to traumatic and sad autobiographical memories.
A study by the University of Ottawa found that various long-term memory types, such as semantic and episodic memory, rely on the same brain network to varying degrees. The research used neuroimaging techniques to compare brain activity across different memory conditions.
Researchers have identified a shared network of brain regions involved in various types of long-term memory, including general semantic, personal semantic, and episodic memory. The study found that these memory types rely on activating the same areas of the brain at differing magnitudes.
A recent study published in Nutrients found that daily strawberry consumption can improve cognitive performance and reduce depressive symptoms in middle-aged adults. The research, led by Professor Robert Krikorian, suggests that strawberries contain antioxidants and micronutrients that may help mitigate the risk of dementia.
A study found that two brain areas, typically associated with language processing, are also linked to social-semantic working memory. This challenge traditional views of language comprehension and its connection to social cognition.
A study by Emmanuelle Volle's group at the Paris Brain Institute has identified two semantic memory search processes involved in creativity: clustering and switching. Clustering is linked to divergent thinking, while switching relates to combining distant associations between concepts.
The study establishes a link between real-life creativity and semantic memory structure, predicting individual differences in brain functional connectivity. Participants' creative activities and achievements were found to be related to the efficiency of their semantic memory networks.
Researchers used mice to demonstrate that acquired knowledge is stored in early visual areas of the brain, highlighting the widespread storage of semantic memories. The study showed that part of category knowledge is already present in the visual cortex.
Researchers found that memories become less vivid with age, but retain meaningful semantic elements. Frequent recalling boosts 'gistification' of memories, making them more concept-based. The study has implications for understanding post-traumatic stress disorder and eyewitness testimony.
A recent study reveals that semantic memory deficits are involved in specific eating disorders in patients with dementia. The research found a correlation between the severity of these eating disorders and reduced performance on semantic memory tests, suggesting that these behaviors depend on the integrity of semantic memory. This brea...
Research reveals two distinct brain regions involved in recognizing raw and processed foods, highlighting the importance of semantic memory in identifying key characteristics. The study's findings have significant clinical implications, particularly for understanding eating disorders related to neurodegenerative diseases.
A new study shows that centenarians outperform younger individuals in recognizing natural foods, indicating the role of experience in shaping semantic memory. The research reveals a decline in semantic memory function only after age 90, making it a potential early indicator for neurodegenerative diseases.
Research by Professor Yee Lee Shing investigates how brain predicts environment, using EU-funded grant to explore internal models and cognitive processes. Long-term goal is to better understand clinical conditions like autism and schizophrenia.
A recent study published in Brain and Cognition found that lexical and semantic knowledge related to food is relatively well preserved even in diseases like Alzheimer's and Aphasia Primary Progressive. Food information was processed better than non-food, with caloric foods being more resiliently remembered.
Researchers found that stimulating the left angular gyrus with transcranial direct current stimulation improved comprehension of simple, two-word phrases. This effect was not seen with sham stimulation or right angular gyrus stimulation, suggesting a specific role for this brain region in semantic memory integration.
A study by Baycrest Centre for Geriatric Care reveals that brain connectivity patterns differ between individuals who remember episodic details versus facts, suggesting a lifelong 'memory trait'. This finding may have implications for understanding aging and brain health.
Researchers at Baycrest Centre for Geriatric Care studied the memories of 15 Air Transat passengers who experienced a life-threatening emergency in 2001. They found that those with PTSD recalled more external details, not just specific events, suggesting altered memory processing may be a vulnerability factor.
Researchers at the University of East Anglia have developed a new diagnostic tool to distinguish between different types of dementia and memory damage. The model takes into account both semantic and autobiographical memories, leading to better approaches for rehabilitation.
Recent studies have shown that memory is composed of two distinct forms: episodic memory, dependent on the hippocampus, and semantic memory, reliant on the neocortex. The 'multiple trace/transformation theory' proposes that memories are re-encoded with each retrieval, leading to a transformation from context-rich to general memory.
Researchers found that children's brains are less prone to creating false memories due to a less efficient semantic process. Adults, however, are more likely to generate false memories as their brain automatizes the process, making it less reliable.
Researchers found that sleeping shortly after learning new information improves memory recall, particularly for unrelated facts. Practicing before bed may help consolidate memories and improve retention.
A study published in Cortex found that the first elements of semantic memory to deteriorate are distinguishing characteristics of a concept, such as a zebra's stripes. This blurs related concepts, leading to temporary improvements in recognizing related words in early Alzheimer's disease.
Researchers at Washington University in St. Louis found that sleep strengthens weak associations in the brain, improving prospective memory and recall of future intentions. The study showed that a good night's sleep helps individuals carry out their plans more effectively by enhancing the link between context and intention.
Researchers at Université de Montréal discovered that recalling celebrity faces decreases with age, but accessing biographical knowledge via their name remains unaffected. This semantic memory test could become a crucial tool to identify individuals at risk of developing Alzheimer's disease.
A recent neuroimaging study reveals that distinguishing true from false involves two distinct processes: memory and reasoning. The study found that true statements are processed in the left inferior parietal cortex, while false statements activate the right fronto-polar cortex.
Researchers studied autobiographical memory in semantic dementia patients according to disease progression, finding early-stage patients could recall recent and lasting memories. As dementia evolves, mechanisms behind autobiographical memory impairment result from storage deficits and faulty retrieval strategies.
Children's false memories increase with age under certain circumstances, according to a new study. The researchers found that older children were more likely to assert they had heard a word before if it had a closely related meaning.
A new study found that younger children primarily process words based on phonology, sound, whereas older children and adults process words based on semantics, meaning. Researchers tested the language processing abilities of children aged five, eight, and 11 using a rhyme-based experiment.
A study published in the Journal of Neuroscience found that Alzheimer's patients who scored well on memory tests show distinct compensatory brain activity. This activity was observed in the right frontal and temporoparietal areas, and was associated with improved performance on semantic and episodic memory tasks.
Research suggests that people with left-handed families tend to have superior episodic memory due to increased inter-hemispheric interaction. This is because their brain hemispheres work together more actively to process and store memories, leading to improved recall of events.
A Rutgers study published in Nature found that people can build strong visual memories for scenes with limited exposure and recall more objects over time. The research suggests that medium-term memory plays a key role in this process, allowing individuals to quickly identify their surroundings without constant visual scanning.