Articles tagged with Learning Processes
A new study found that people's decisions on recognizing faces are dependent on the context, not just repeated exposure. The brain's fusiform face area learns familiar information about faces, while the superior temporal sulcus influences recognition reports based on social context.
Researchers found that individuals with low mindfulness scores performed better on tasks requiring implicit learning, suggesting that mindfulness can prevent the development of automatic habits. This finding implies that mindfulness may help individuals avoid forming both positive and negative habits through unconscious processes.
Researchers found that babies' brains show distinct activation patterns when watching an adult perform a task with different body parts. This somatotopic mapping helps facilitate imitation and could play a role in the baby's ability to copy actions themselves.
A new study from RIKEN Brain Science Institute found that the pitch-accent in words pronounced in standard Japanese activates different brain hemispheres depending on whether the listener speaks standard Japanese or one of the regional dialects. Native speakers who acquire a second language later in life process pitch changes similarly...
Researchers found that watching a movie clip of someone safely interacting with a feared object can significantly reduce the fear response and prevent relapse. This type of vicarious social learning may be more effective than direct personal experience in extinguishing phobic fears.
Scientists at the University of Lincoln aim to develop generic training approaches for explosive detection dogs, enabling them to recognize specific group odors and learn from experience. The study's goal is to create a proof-of-principle method for teaching dogs to detect explosives more efficiently.
Three commonly used pesticides were found to be toxic to honeybees, even at sublethal doses. These pesticides modulated key enzymes that regulate physiological processes, affecting cognitive capacities and immune responses in bees.
Researchers from the University of Illinois Grainger College of Engineering have developed a new process called QuickRec, which allows steps in a process to be retraced to learn where bugs occurred. This prototype is a multicore record and replay system for multithreaded programs, enabling secure and efficient debugging.
The AHRQ-funded journal supplement provides insights from 14 natural experiments on transforming primary care practice. Key findings highlight the importance of a strong foundation, visionary leadership, and contextual factors in achieving successful transformation towards the patient-centered medical home model.
Researchers analyzed 66 Amazon protected areas and found no strong association between deforestation avoidance and RAPPAM scores. However, they discovered a correlation between the absence of land tenure conflicts and successful deforestation prevention.
A Parkinson's drug has been shown to reverse age-related impairments in decision making in some older people. The study found that treating older adults with a dopamine-boosting drug improved their ability to learn from rewards and make better decisions, comparable to those in their twenties.
Researchers at the University of Chicago discovered that a specific region of the brain can encode both spatial and cognitive signals simultaneously. This finding suggests that multiple functions can be mapped onto a particular brain area, including individual brain cells.
Yale researchers have identified a key genetic switch that facilitates brain maturation and plasticity. By blocking this gene, they were able to reset the old brain to adolescent levels of plasticity, allowing adult mice to recover from injuries and master new motor tasks more quickly.
Researchers developed a pixelated vision system to enhance retinal implants, allowing patients to detect motion, large objects, and improve orientation. The system uses mathematical algorithms to pick out salient locations in images and provides directional cues for navigation tasks.
Researchers found that children with brain lesions use gestures similar to typically developing children to convey simple sentences. They also discovered that producing complex sentences across gesture and speech is delayed in children with larger brain lesions.
Researchers found that brain insufficiently processes sensory information, affecting learning. Alpha waves in EEG indicate brain readiness to exploit new information.
Researchers at Georgetown University Medical Center have discovered a new mechanism that regulates neuronal activity in the hippocampus, allowing for efficient learning and memory processing. The study reveals that synapses between different groups of neurons act as 'volume control', maintaining optimal levels of neurotransmission.
Research published in PLOS ONE found that dogs, like Gable the Border Collie, associate words with categories rather than shapes or textures, a difference from human learning processes. Dogs are able to identify objects of similar size by name, but not shape, suggesting a qualitative difference in word comprehension.
Swedish researchers at Uppsala University have discovered a new group of nerve cells called OLM-alpha2 cells that act as gatekeepers in the hippocampus. These cells prioritize local circuit signals, altering memory formation when activated by nicotine or light stimulation.
Researchers Todd Gureckis and Douglas Markant examine the benefits of self-directed learning from a cognitive and computational perspective. They argue that this approach optimizes educational experiences by focusing on useful information and exposing learners to new sources. By understanding these processes, researchers can develop as...
Researchers have created 3D digital reconstructions of two 305-million-year-old juvenile insects using high-resolution CT scanning. The fossils provide valuable information about the biology and diet of these ancient insects, including one with sharp spines that may not exist today.
A Cornell University study challenges the long-held hierarchical structure of sentence construction, proposing instead that language uses simpler sequential structures. This concept has implications for understanding human communication abilities and their relationship to other species.
A study published in the Journal of Cognitive Neuroscience found that brain white matter can change and adapt in response to long-term learning processes. Using diffusion tensor imaging, researchers observed significant structural changes in adults learning a complex skill over time.
Researchers at the University of Gothenburg conducted a study on children's game playing, focusing on the educational game Fingu. The results showed that curiosity and imagination could be improved in the game, while also emphasizing the importance of understanding how different game designs affect parent-child interactions.
Scientists at Duke University found that regions of the brain involved in planning and controlling complex vocal sequences are also necessary for memorizing sounds used in vocal imitation. This finding has broader implications for diagnosing and treating human developmental disorders.
Wild meerkats employed nine separate learning processes to solve a foraging task, with social factors drawing them in and asocial processes aiding solution. This study provides insight into the relationship between social learning mechanisms and cultural development.
This study found that chronic alcoholism and HIV infection distinctively impact the brain systems involved in procedural learning and visual information processing. Individuals with HIV require repeated practice to achieve maximum benefit, while those with alcoholism demonstrate a consolidation effect that enhances learning over time.
The University of Houston has received a nearly $100,000 grant from the National Security Agency to offer a professional training program for Chinese language teachers in Texas. The two-week program, supported by STARTALK, will focus on teaching methodologies and techniques for teaching Chinese as a second language.
A new study by Sidney D'Mello and Art Graesser found that strategically inducing confusion in learning sessions on difficult conceptual topics can lead to better retention and application of knowledge. Subjects who were confused scored higher on a difficult post-test and could identify flaws in new case studies.
Researchers at RIKEN Brain Science Institute found two brain signals involved in predicting others' decisions, enabling humans to balance expected and observed rewards and choices. The signals, located in distinct prefrontal circuits, strike a balance between the other's values and their own, allowing for accurate predictions.
The study found that the putamen supports the concatenation process of motor chunking, while cortical regions in the left hemisphere respond more during the parsing process. As participants practiced motor sequences, their brains adapted to perform the most efficient movement, suggesting a key role for functional plasticity.
Researchers found that a key brain structure acts as a learning hub, receiving information from other regions to improve its song, even when not directly controlling the action. This finding may help treat neurological disorders like Parkinson's disease and Huntington's disease.
A new study from the University of Illinois concludes that learning-by-doing played a significant role in reducing the processing costs of corn ethanol in the US. The study found that biofuel policies, which induced ethanol production beyond free-market levels, contributed to increased industry competitiveness over time.
Research at Georgetown University Medical Center found that adults learning a foreign language can come to use the same brain mechanisms as native speakers, particularly with immersion training. The brain consolidates knowledge of the foreign language over time, similar to other skills like riding a bike or playing a musical instrument.
A recent study published in PLOS ONE suggests that learning a new language can improve with time off. Adult subjects who took a break after high proficiency showed no decline in abilities and even processed the language more naturally. This unexpected result may be attributed to the brain's ability to reorganize and adapt.
Aging and longevity expert Colin Farrelly suggests shifting research focus from disease causes to understanding the causes of health and happiness. This approach, known as positive biology, could lead to significant medical breakthroughs in slowing down the aging process.
New Tel Aviv University research reveals glia cells' pivotal role in brain plasticity, adapting to new stimuli and regulating neural activity. Glia cells sort information for learning purposes, controlling the transfer of signals between neurons.
A recent study has visualized the path of a sensory stimulus in the brain during fear learning and identified the underlying neuronal circuits. The researchers found that the cortex is essential for processing fear and anxiety, and that disinhibition of the cortical microcircuit facilitates formation of memory.
Research suggests that surprising good or bad outcomes drive learning, with neurons in the lateral prefrontal cortex and caudate nucleus processing unexpected rewards and disappointments similarly. This finding may inform future therapies to accelerate re-learning in patients with brain damage.
New research from the University of Notre Dame shows that holding objects while learning enhances detail processing, but hampers similarity recognition. This orientation to detail has evolutionary roots, with attention to subtleties near the body being crucial for survival.
A study found that stronger graduated driver licensing programs were associated with lower fatal crash incidence among 16-year-old drivers, but a higher incidence among 18-year-olds. The programs restricted nighttime driving and allowed passengers, leading to fewer crashes among younger teens but more among older teenagers.
Researchers found that trial-and-error learning benefits older brains more than errorless learning in certain conceptual tasks. Older adults outperformed younger peers in memory tests when learning through trial-and-error., This challenges the long-held assumption that making mistakes hurts memory performance for older adults.
Researchers at Beth Israel Deaconess Medical Center discovered that specific brain areas orchestrate competition between memories and that transcranial magnetic stimulation can preserve memory by targeting these areas. By applying TMS to the dorsolateral prefrontal cortex and primary motor cortex, both memories remained intact.
Scientists from Queen Mary University of London and UCL are investigating whether robots can learn to recognize faces like humans do. This research aims to develop software that allows robots to interact with humans in a natural way, understanding facial expressions and emotions.
Neuroscientists from Ruhr-University Bochum found that high-powered electromagnetic fields emitted by mobile phones can disturb learning processes on the synaptic level within the brain. However, daily use of mobile phones is unlikely to cause significant harm.
A new study by UCLA neurophysicists found that brain rhythms associated with learning grow stronger as running speed increases. The research team monitored gamma rhythms in mice brains using specialized microelectrodes and discovered a link between the strength of these rhythms and movement.
Researchers identified a step-by-step process involving TET1 and Apobec1 that converts methylated cytosine into hydroxymethylated cytosine, indicating a potential unified mechanism for DNA methylation status change. The discovery has implications for understanding diseases associated with epigenetic abnormality.
Researchers have identified key aspects of learning based on decades of research, including repetition, reward, visualization, active engagement, and others. These neurobiology-based strategies can improve retention and depth of understanding in medical education.
Language learners are creative and clever, generalizing grammatical restrictions to new words in categories, avoiding irrelevant factors. They don't learn purely by imitation but bring sophisticated resources to the process.
Researchers found that training improves subjective perception of stimuli, leading to conscious sight. The brain regions involved in learning effects differ from those for automatic stimulus processing, suggesting two distinct neural pathways.
In a groundbreaking study, teenage male songbirds were found to significantly improve their singing in the presence of females, demonstrating the impact of social cues on learning. This finding has important implications for understanding human language acquisition and motor skill development.
Research found that individuals with MS performed better on learning and memory tests during cooler days compared to warmer days. The study suggests a link between warm weather and cognitive impairment in people with MS, which could inform life decisions and clinical treatment.
A WSU researcher designed an instructional process to train over 300 employees from diverse countries in custodial duties at the Dubai Mall. The project resulted in a high success rate and has been recognized as a model for efficient, cross-cultural instructional design.
Researchers found that deaf people in Nicaragua who used self-developed gestures, called homesigns, had difficulty understanding the value of large numbers. In contrast, those who acquired conventional sign language as children were able to learn the meaning of large numbers.
A new study from Purdue University reveals that practicing retrieval, such as self-testing, is a more effective strategy than elaborate studying for improving long-term retention. The research found a 50% improvement in long-term retention scores for students who practiced retrieval compared to those who used elaborative studying.
Acute stress exposure changes brain function in the cerebellum, a region responsible for motor control and learning. The study found that a five-minute exposure to predator odor inserted GluR2 receptors, increasing electrical activity and altering output in mice.
A study by Colorado University's Sleep and Chronobiology Laboratory found that missing a night of sleep burns approximately 135 calories. Eight hours of sleep, on the other hand, saved the same amount of energy. The findings demonstrate a direct correlation between the sleep-wake cycle and energy expenditure.
Researchers at UC San Diego found that babies over a year old process words with adult-like brain structures and meanings, challenging previous theories on infant language development. The study used MEG and MRI to map brain activity in infants and confirmed the same left frontotemporal areas activated in adults for word meaning.
Dr. Mortimer Mishkin, chief of NIMH's Section on Cognitive Neuroscience, is the first NIMH intramural scientist to receive the National Medal of Science for his pioneering work on brain processing and memory. His research has greatly advanced our understanding of how learning and memory are processed in the primate brain.
Researchers Patricia Thiel and James Evans have discovered a general principle behind additive-enhanced coarsening, a process that transforms smaller objects into larger ones. This breakthrough could lead to the development of more durable nanoscale technologies and structures.