Articles tagged with Learning Processes
A single molecule expressed in the brain affects how we learn new tasks and acquire new memories. Mice with a mutated Arc protein showed cognitive inflexibility, highlighting the importance of proteins being switched on and off at the correct times.
Fuentes asserts that humans are distinctive, yet share similarities with apes. He proposes that human ability to alter ecosystems is our most distinguishing feature, enabling creative cooperation, technological innovations, and artistic expression.
A Drexel University study found that new parts of the brain become active when students learn physics, suggesting that learning is an imaginative process. The study used fMRI to measure blood flow in the brain and found increased activity in areas linked to problem-solving and memory.
The study found that the brain uses a two-step process to learn and categorize visual and auditory stimuli, allowing for easy building on previous content to learn novel information. This discovery could lead to the development of new methods to restore sensory deficits in individuals with disabilities.
A new study found that faster mice run, the faster they learn. Researchers used mutant mice with reduced running speed to demonstrate the causal link between running speed and enhanced learning. They also showed that once learned, performance still depended on running speed.
Cognitive deficits affect 40-65% of MS patients, impacting daily living and employment status. Cognitive abilities decline when patients convert from RRMS to SPMS, particularly in learning new information and mental processing speed.
The study found that more proficient boys showed increased activation in parts of the brain associated with grammatical rules, while girls used a wider range of language information, including speech sounds and meaning of words and sentences. This discovery may help optimize teaching methods for both genders.
Scientists at Bar-Ilan University discovered that learning in the brain occurs in dendrites, not just synapses. This new finding suggests a faster and more efficient learning process, with implications for current treatments and machine learning algorithms.
Researchers modelled molecular basis of learning in cerebellum, a brain region coordinating voluntary movements. The study reveals communication must occur in both directions across synapses to control learning, with an automatic off-switch allowing the system to return to its resting state.
Researchers found that when memory demands are high, signals in the brain correlate to reinforcement learning become stronger, suggesting a cooperative interaction between the two systems. When participants can hold information in mind, signals associated with reinforcement learning weaken, indicating an increased role for working memory.
Researchers found that mosquitoes can learn and remember human smells and associate them with defensive behaviors, leading them to avoid hosts who swat at them. This aversive learning is mediated by dopamine and can be exploited for mosquito control.
Barbara Dosher, UCI Distinguished Professor, receives the Atkinson Prize for her work on human memory, attention, and learning, while Etel Solingen is awarded the William & Katherine Estes Award for trailblazing research on nuclear proliferation.
Researchers at the University of Michigan have created a new type of neural network made with memristors that can dramatically improve the efficiency of teaching machines to think like humans. The system, called reservoir computing, uses fewer nodes and requires less training time than traditional neural networks.
A Dartmouth-led study found that humans rely on feature-based learning to reduce the complexity of choices and adapt quickly to new environments. Feature-based learning allows participants to selectively learn informative features without compromising precision.
Researchers at EPFL have developed a method to prevent AI from learning to circumvent human commands, allowing for safe and controlled operation of autonomous systems. By introducing 'forgetting' mechanisms into the learning algorithms, they can ensure that interruptions do not affect the way machines learn.
Researchers found that language learners prefer word orders with shorter dependencies, which are easier to process, suggesting a causal link between human cognition and language structure. This discovery provides new insights into the role of human information processing in shaping linguistic universals.
Grade school children from low-income homes have significantly smaller vocabularies compared to their peers, with a 10% difference in word learning, leading to long-term academic implications. The study suggests that increasing vocabulary through oral methods and visualizing sentence relationships can be effective interventions.
Researchers found that reduced levels of Staufen2 are associated with a specific impairment of memory in rats. The study shows that Staufen2 plays a crucial role in conveying messenger RNAs to synapses, which is essential for learning and memory formation.
Finches learn to adjust their songs depending on the situation they are in, with two distinct brain regions involved in this process: one for generalizable rules and another that can override them. This study provides insights into how humans learn complex behaviors like language and movement disorders.
Researchers at Numenta propose a new theory for how the brain learns models of objects through movement, pairing sensory input with location signals. The theory predicts that even the first levels of processing in the brain are learning and recognizing complete objects.
A study of 90 participants found that neural stimulation synchronized or desynchronized low-frequency brain waves between frontal cortex areas, corresponding to behavioral changes in control and learning. The findings have potential implications for the treatment of mental health disorders.
A study reveals that lab researchers should engage with industry counterparts to better understand the needs and challenges of real-world applications. This approach helped researchers adjust their focus and develop a potentially more useful set of applications for their work. By bridging the gap between research and commercialization,...
Research shows that people confuse faces with different expressions, even when they are clearly from the same person. Facial recognition is hindered by expressive faces until familiarity increases.
A long-term study at the University of Kansas investigates how to restore native prairie ecosystems on abandoned farmland. Excess nitrogen has been shown to lead to a loss in plant diversity and simplify the system, favoring only a few species. The research aims to speed up restoration processes and re-establish original biodiversity.
A study published in Scientific Reports found that consistent lead-in motions enable faster learning of new techniques, with participants perfecting their skills twice as quickly when executing consistent movements. The research has implications for skill learning and movement rehabilitation following neurological conditions.
A new study reveals that dietary restriction improves learning in worms by depleting a specific amino acid metabolite. The researchers used the nematode worm Caenorhabditis elegans to test how food deprivation affected learning and found that restricted access to food increased learning by reducing kynurenic acid levels.
Researchers developed a deep learning model to remove noise from computer-generated images, enabling production-quality rendering at higher speeds. The technology, tested with millions of examples from films like Finding Dory and Cars 3, successfully preserved detail in scenes while removing unwanted artifacts.
Researchers argue that synaptic plasticity and intrinsic plasticity are crucial in forming physical memory traces in the brain. Intrinsic plasticity plays an important role in adapting to new information and experiences, often without changes to connections between neurons.
Researchers found that Japanese children's handwriting development involves distinct temporal patterns of movement, which differentiate subtle features of each symbol. This process is linked to an air writing phenomenon in Chinese character-based cultures, suggesting a unique approach to learning the hiragana script.
A study from UT Southwestern Medical Center reveals a network of neurons vital for learning vocalizations in songbirds, which may hold clues to addressing speech disorders in humans. The discovery complements ongoing research into the brain's role in vocal learning and its potential applications for treating neurodevelopmental conditions.
A process-oriented teaching approach to improvisation in music is proposed, focusing on developing cognitive processes that enhance creativity. This approach encourages students to think about their creative processes and self-assess their experiences, leading to improved improvisational skills.
Researchers have developed a method for autonomous learning in self-taught systems, allowing them to evolve and adapt over time. This approach, which incorporates delayed dynamics and feedback loops, has been successfully applied to neural networks and phase oscillators, yielding robust performance with minimal external control.
Researchers at Queen Mary University of London used transcranial direct current stimulation to enhance creative problem-solving ability by suppressing a key brain area. Participants who received the intervention showed improved ability to think outside the box and solve complex problems.
The Howard Hughes Medical Institute's Inclusive Excellence initiative has selected 24 schools to improve their institutions' capacity for inclusion in STEM fields. These schools aim to address barriers and create a more inclusive climate through curriculum changes, faculty training, and student engagement programs.
Researchers at UC Berkeley created a robot called DexNet 2.0 that can pick up and move unfamiliar objects with high accuracy, using deep learning to learn grasps for 6.7 million 3D shapes.
Researchers at the University of Michigan have developed a new memristor chip that can process complex data, such as images, much faster and with less power than traditional systems. Inspired by how mammals see, the chip uses pattern recognition to shortcut energy-intensive processes.
Researchers found that bilingual people's reading strategies are affected by the languages they speak, leading to a different pattern of reading than monolingual speakers. This discovery has implications for clinical and education practice, including diagnosing dyslexia and developing tailored reading strategies.
Researchers at UT Dallas are investigating a technique to accelerate language learning by stimulating the vagus nerve during specific tasks. The goal is to improve the brain's natural ability to learn and potentially benefit individuals with learning impairments or conditions such as autism.
A team of researchers observed an American badger burying a 50-pound calf carcass over five days, marking the first known instance of such behavior. The finding suggests that badgers may play a significant role in sequestering large carcasses, benefiting cattle ranchers by reducing disease vectors and attracting larger predators.
Researchers at Kyoto University discovered that nanocages facilitate the fast folding and stability of G-quadruplexes, a type of biomolecule. This breakthrough has potential applications in understanding diseases, cancers, and allergies, as well as developing new drug treatments.
Researchers explore how to cultivate innovative thinking in students by focusing on characteristics like abstract thinking, motivation, and creativity. The authors argue that education can improve individuals' ability to utilize existing traits rather than trying to create new ones.
AVN-322 is a highly selective 5-HT6R antagonist that displays high binding affinity to the receptor and potency in blocking functional cell responses. In preclinical studies, AVN-322 showed improved cognition-enhancing effects and demonstrated antipsychotic potential.
Researchers improve methods to study Earth's history by addressing bias in data from old rocks. New technique reduces errors, providing more accurate paleointensity measurements.
Researchers developed a novel neural network method that can categorize complex datasets without prior knowledge. By using an 'act as if' principle, they trained networks to mimic human intuition, allowing them to identify boundaries in data. This method has potential applications in physics analysis, machine learning, and data mining.
NASA scientist William Zhang has developed a technique to manufacture lightweight, high-resolution X-ray mirrors using single-crystal silicon, reducing costs and improving resolution. The new technology addresses performance goals that have long been unmet in the field of X-ray optics.
Researchers studied how people learn to prioritize information in real-life situations, finding that selective attention determines the value of options and shapes learning through unexpected events. The study contributes to improved teaching, learning, and treatment of mental disorders.
Researchers found that synaptic inhibition dominated over excitation during SWR generation and was responsible for the oscillation. PV+ interneurons played a key role in generating SWRs, suggesting that inhibition is crucial for making memories permanent.
Researchers found that the brain fills in missing details in peripheral vision, creating a visual illusion. The study suggests that this 'filling in' is a general perceptual mechanism that affects many basic visual features.
A study published in Neuron reveals the mechanisms behind learning social hierarchies, with the prefrontal cortex playing a key role. The researchers found that people can rapidly form coherent understandings of their own social hierarchy through integrating interaction outcomes.
Researchers at UT Austin have developed a new brain mapping technique to study how people update their knowledge and form new ideas. The study found that the hippocampus and prefrontal cortex work together to update conceptual knowledge, providing insight into the mechanics of learning.
Researchers are developing novel approaches to process and store data in energy-efficient ways, using nanoscale devices and innovative architectures. The goal is to create computers that can learn from data and operate like the human brain.
Researchers at MPFI and NYU will use the grant to develop new optogenetic technologies, focusing on synaptic plasticity and its role in learning and memory. The goal is to improve knowledge of biochemical events underlying synaptic plasticity and provide insights into brain disorders.
Researchers found strong associations between certain sounds and common objects/ideas across languages, including body parts and natural phenomena. The study's findings suggest that humans tend to use similar sounds to describe basic concepts, regardless of language.
A recent study published in Scientific Reports found that language learning boosts brain activity and increases neuroplasticity, leading to improved information processing. The more languages a person knows, the faster their brain adapts to new information.
AlphaGo, a computer program, defeated an 18-time world champion of Go by integrating data-driven AI approaches and recognizing game patterns
The study found that brains with more variability and frequent connections tend to have higher IQs and creativity. This discovery could lead to advancements in artificial intelligence and a better understanding of mental health conditions such as schizophrenia and ADHD.
A study by Dr. Chantel Prat and colleagues found that a five-minute measurement of resting-state brain activity can predict how quickly adults pick up a second language. Participants with larger 'beta' networks in their brains learned French twice as quickly, suggesting a link between brain activity and language learning speed.
Researchers found that players who worked together in a language-learning game learned more words and enjoyed the game more than solo players. The game, called Crystallize, requires players to communicate with their partners to complete quests and build relationships.
Researchers discovered that methylation of RNA can strengthen memory formation by reducing the brain's ability to remove methyl groups. This process may have significant implications for treating memory-related disorders such as post-traumatic stress disorder or phobia.
The now-or-never bottleneck theory explains how the brain processes linguistic input immediately, before it's lost. This process involves chunking linguistic material into increasingly abstract representational formats to learn and understand language.