Articles tagged with Motor Learning
A newly discovered brain circuit in the cortex and striatum may endow humans with the ability to learn new motor skills. Researchers found that spiny projection neurons (SPNs) are excited twice: first through direct routes and second through an indirect circuit, which amplifies the initial excitation.
A new study by Ritsumeikan University reveals that whole-body dynamic balance training increases brain connectivity and improves motor learning. The research found significant changes in brain activity associated with offline learning, opening up new avenues for studying neural networks during natural tasks.
Researchers at OHSU have discovered a unique neural cell assembly that enables complex learning in songbirds, similar to those found in the human primary motor cortex. This finding has implications for understanding fine motor control and may lead to new avenues for treating disorders such as ALS.
A new study published in Communications Biology found a significant connection between visual gaze and motor skills learning, as participants learned to make stone tools through video training. The researchers discovered that the connection evolved over time, with certain phases of learning being more closely tied to gaze patterns.
Researchers found that reactivating memories during sleep improves motor skills by enhancing learning of new motor tasks. The study showed participants performed better without sound cues after a nap, indicating improved memory recall and muscle activation.
Researchers used zebrafish to study spinal cord development and its role in controlling new movements, discovering patterns of neural activity that can be applied to human locomotor activities like walking and swimming. The study aims to improve treatments for movement disorders by identifying target neurons for restoration.
A new study found that handwriting helps people learn certain skills faster and significantly better than learning through typing or watching videos. The writing group outperformed the other groups in recognizing letters, spelling, and reading unfamiliar words.
University of Ottawa researchers discovered a shortage in noradrenaline released to the motor cortex from the locus coeruleus, leading to delayed motor learning in autistic children. This delay can cause social isolation and may be overlooked due to its similarity to social deficits.
A new grant will help Dr. John Franchak explore the impact of motor development on everyday learning experiences for infants. Using miniature sensors and audio recorders, his team will track infants' activities throughout a typical day to understand how their motor skills influence language and spatial abilities.
A recent study by Sandra Heldstab and colleagues found that primate species follow fixed neural development patterns when learning fine motor skills. Humans develop their abilities later than other primate species due to the less developed state of our larger brains at birth.
Researchers at the University of California San Diego have identified key neurological modifications following sustained exercise, leading to improved learning for motor-skill acquisition. Exercise has been shown to promote neurotransmitter switching, which enhances motor coordination and skill learning.
A study by Tohoku University researchers demonstrates that motor synergy emerges in robotic agents using deep reinforcement learning, enabling improved motor performance and energy consumption
Research shows increased AMPAR activity in both motor and visual cortex during learning tasks, indicating a whole-brain approach to motor control. This challenges the long-held assumption that motor-based learning occurs solely in specific brain regions.
Researchers found that mice no longer use the primary motor cortex to control movements once they have mastered a task. After mastering a movement, mice may stop relying on primary motor cortex, suggesting multiple movement control systems in the brain.
Researchers found that inhibiting somatosensory cortex disrupts retention of motor memories, while motor cortex inhibition has no effect. This discovery sheds light on the consolidation process of motor skills and may have implications for rehabilitation and re-learning after injury.
A study published in GLIA found that myelin impairment causes uncoordinated electrical impulse transmission between neurons, affecting motor learning in mice. The research also showed that compensating for impaired motor learning by pairing actions with brain photo-simulation can promote synchronization of neuronal activities.
Researchers found that brain stimulation during short breaks improves recall of learned motor sequences, even after several hours of practice has stopped. The study suggests that pauses between practice sessions solidify learning in the brain, and stimulation can enhance this process.
Researchers at the University of Basel's Biozentrum have discovered a new group of nerve cells in the red nucleus that changes with fine motor tasks. Practicing grasping movements strengthens connections between neurons, optimizing movement and storing it in the brain as a code.
Researchers at Max Planck Florida Institute for Neuroscience have revealed a special input pathway that codes sensory information in the Cerebellum. Climbing fibers are found to be responsible for conveying sensory information, with activity mirrored in Purkinje cells.
The Center for BrainHealth has secured a $225,000 NIH grant to investigate how cannabis use affects motor learning and coordination. The study will examine the effects of acute, prolonged, and long-term cannabis use on motor skills and performance.
Researchers found that both internal models are necessary for precise movement: learning to move and where to move. This discovery may lead to the development of new clinical tests and training methods for athletes, particularly those with cerebellar ataxia.
The Max Planck Florida Institute for Neuroscience (MPFI) awards Dr. Jason Christie $2,082,074 to investigate neural circuits in the cerebellum and their role in motor learning. The goal is to understand how neurons interact with each other to facilitate learning outcomes.
Researchers have identified a new role for inhibition in regulating motor learning in the cerebellum, finding that inhibitory cell class molecular layer interneurons play a key role in modulating plasticity and learning behavior. This discovery provides fundamental insights into neural computation and mechanisms underlying motor learning.
Researchers used monkey parietal lobe studies to find the brain distinguishes causes of errors for adaptation. Motor errors are corrected using signals from Brodmann area 5, while target errors are corrected with signals from Brodmann area 7.
Scientists have identified distinct neural signatures for explicit and implicit learning, which could guide the development of training techniques to mitigate learning and memory deficits. The findings may also help diagnose Alzheimer's disease at an earlier stage.
A study published in Nature Medicine found that immune reactions to viruses can disrupt brain connections, leading to learning problems. The research team identified CX3CR1highLY6Clow monocytes as the key players in this process, releasing inflammatory signaling protein TNFα which blocks nerve cell connection formation.
An international team of neuroscientists has discovered that neurons coordinate their activity to improve motor control, shedding light on the brain's mechanisms. The findings may lead to better brain-machine interfaces for paralyzed patients.
Researchers at Osaka University have discovered that error signals in motor cortices drive adaptation in reaching, a key finding in motor neuroscience. The study used artificial electrical stimulation to induce trial-by-trial improvements in motor control, shedding light on the neural mechanisms underlying motor learning and adaptation.
Researchers found that a specific enzyme is necessary to turn off genes after physical activity ceases, leading to faulty brain wiring and impaired learning. The inability to shut off these genes can affect motor skills and learning abilities, even in adults.
Researchers at Umea University discovered that motor learning relies on the independent control of sensory neurons in muscles. This adjustment allows for selectively informative sensory information to be extracted from spindles during learning.
Max Planck Florida scientists have optimized techniques for studying motor learning in neurons of the cerebellum, enabling prolonged assessment of neural activity. This breakthrough allows for further characterization of continuously engaged neurons during motor activity and normal behavior.
A new brain study confirms that practice makes perfect in professional ballet dancers, showing the long-term effects of learning complex dance motor sequences. The study found an inverted 'U' learning pattern, where brain activation increases during initial learning and performance, but then decreases as mastery is achieved.
In a study, researchers found that making small modifications to a task during repeated practice sessions can lead to faster skill acquisition. This is due to the process of reconsolidation, which strengthens motor skills by recalling and modifying existing memories. By adjusting their performance despite unawareness of subtle changes,...
Researchers at McGill University discovered that a small cluster of brain cells in the cerebellum engage in elegant computations to quickly compare expected and actual sensory feedback. This allows neurons to rapidly readjust and form new patterns in the brain to accomplish tasks.
An innovative imaging study shows that the spinal cord learns complex motor tasks on its own, independent of the brain. This discovery may offer new opportunities for rehabilitation after spinal cord injury.
A University of Florida Health study found that extensive physical therapy helped severely impaired stroke survivors recover motor function, even a year or more after their stroke. The research, which included five hours of rehabilitation per day for 12 weeks, showed significant improvement in arm movements and complex tasks.
Researchers found that associating foreign-language terms with gestures and images enhances learning outcomes, outperforming methods relying on listening or reading alone. The brain's motor system plays a crucial role in this process.
Researchers found that distinct motor memories can be learned with unique follow-throughs, allowing for faster learning of multiple skills. Practising consistent follow-through enables tasks to be learned quickly, while variable follow-through activates multiple motor memories.
A new clinical trial demonstrates that transcranial direct current stimulation (tDCS) improves motor learning and retention in hemiparetic stroke patients. The study used functional MRI to record cerebral activity, showing a significant improvement in motor performance after real tDCS stimulation.
A new study published in Psychological Science found that consistent distraction during learning does not hinder learning, but rather helps recall motor skills. The researchers discovered that dividing attention between tasks during learning can create an internal representation that boosts recall when a similar cue is present.
A mouse study identified a malfunctioning neural circuit as the root of motor impairments seen in autism, where abnormal synaptic pruning and Purkinje cell function contribute to motor learning deficits. The findings may shed light on the intense world syndrome phenomenon in autism.
Researchers discovered that motor cortex actively participates in learning new motor movements, revealing a more complex process than previously thought. The study found that different patterns of activity in the motor cortex accompany similar movements after learning, suggesting a crucial role in adapting to new actions.
Research from McGill University reveals that performing a melody enhances recognition of the tune compared to just listening. The study found larger changes in brain waves and increased motor activity for previously performed melodies.
The MIT model suggests that neurons constantly change connections to explore many possible solutions, but with a balance between hyperplasticity and low signal-to-noise ratio. This allows the brain to learn new skills while retaining previously learned ones, especially if they are not similar.
A new study by Brown University researchers found that sleep improves motor learning by changing fast-sigma and delta brainwave oscillations in the supplementary motor area. This reorganization is associated with improved speed and accuracy on sequential finger-tapping tasks after a few hours of sleep.
Johns Hopkins researchers found that our brains don't forget skills by passive decay but instead deliberately select what to retain. This new understanding contradicts previous assumptions about the formation and loss of motor memories.
Researchers at Duke University have found that the genes responsible for human speech share similarities with those used by songbirds. This discovery sheds light on the evolutionary roots of language and suggests a convergent complex trait like speech and song may be associated with similar genetic changes.
A study suggests that alternating between learning and unlearning an unusual walking pattern on a split-belt treadmill can improve motor learning in healthy adults. This approach may help patients relearn how to walk after stroke or injury, improving therapeutic outcomes.
Researchers found that short-term and long-term motor memory compete against each other, with switching between tasks improving retention. USC scientists' discovery could lead to optimized computer programs for stroke patient rehabilitation.
Researchers at Harvard University's Neuromotor Control Lab found that motion-referenced learning, where the brain learns from actual movements rather than intended actions, can improve learning efficiency. This approach may lead to more effective neurological rehabilitation for individuals with stroke or other motor disorders.
A new study found that individuals with high GABA responsiveness are quicker to learn simple motor tasks. Higher GABA concentrations at baseline are associated with slower reaction times and less brain activation during learning.
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.
Researchers found that learning causes significant structural changes in affected neurons, including a 22% increase in dendritic spines connecting them to other motor neurons. This discovery suggests that the adult brain is highly changeable and adaptable as it learns new information.
A new study from Karolinska Institutet finds that the limbic striatum, an evolutionarily old part of the brain, is involved in implicit learning of motor sequences. This discovery sheds light on fundamental learning systems shared with primitive vertebrates and has implications for developing treatments for diseases like Parkinson's.
A study published in Neuron has shown that the correlated neural tuning to position and velocity is present in the neural learning elements responsible for motor learning. This finding could lead to the development of rehabilitation protocols that encourage patients to use an affected limb more, potentially improving recovery rates.
Researchers at the University of California, Santa Cruz, found that new brain connections form quickly within one hour of training, leading to long-lasting memories. The study used mice with genetically altered fluorescent proteins to visualize changes in individual brain cells.
A new study by Yale University researchers reveals that learning to talk alters the way we hear speech sounds, suggesting a two-way street between sensory and motor processing. This finding has major implications for improving speech disorders such as those caused by stroke and Parkinson's disease.
Researchers used magnetic pulses to stimulate the dorsal premotor cortex, improving skill learning in volunteers. The study found that excitatory stimulation enhanced motor consolidation of new skills.
A Stanford study reveals that HLA molecules, crucial for immune function, also contribute to brain circuits involved in learning and memory. The absence of these molecules can enhance motor learning but may compromise other learning abilities.
Researchers found that mild electrical current to a motor control area of the brain improved motor task performance significantly. The technique has potential for enhancing rehabilitation for individuals with brain injuries.