EEG Biofeedback Małgorzata Piskorz

EEG Biofeedback Małgorzata Piskorz EEG Biofeedback usprawniania pracę mózgu w okresach intensywnego wysiłku umysłowego, a także przy nieprawidłowym funkcjonowaniu i uszkodzeniach mózgu

28/06/2025

Lingering Brain Changes May Raise Depression Relapse Risk

A new brain imaging study reveals that individuals who have recovered from depression may still exhibit abnormal neural responses to negative stimuli.

Specifically, researchers found heightened activity in the habenula—a brain region involved in processing aversive outcomes—when participants anticipated punishment.

This heightened sensitivity persisted even after depressive symptoms had subsided, suggesting a lingering vulnerability.

The study also showed weaker connectivity between the habenula and the brain’s dopamine reward system.

These neural patterns could help explain why relapse rates in depression remain so high, with many patients experiencing a return of symptoms within five years.

Understanding these residual changes may enable more personalized approaches to prevent relapse.

https://neurosciencenews.com/brain-depression-relapse-29363/

24/06/2025

Cerebellum Synapse Structure Revealed

For the first time, researchers have captured the molecular layout of a crucial brain receptor involved in cerebellar function.

These glutamate receptors play a key role in synaptic signaling, supporting motor control and higher-level cognitive tasks.

The images, captured via advanced cryo-electron microscopy, show how the receptors bind with proteins at the synapse to maintain precise neural communication.

Disruptions to these structures are linked to conditions that affect coordination, learning, and memory.

Although no immediate treatments are available, the discovery may guide future therapies that target synapse repair.

It’s a major leap in understanding how the cerebellum organizes and maintains its neural network.

30/05/2025

Link Found Between Autism and Early-Onset Parkinson’s Risk

A large study analyzing data from over two million people in Sweden found that individuals diagnosed with autism are at a significantly higher risk of developing early-onset Parkinson’s disease.

Those with autism were four times more likely to receive a Parkinson’s diagnosis before age 50 compared to those without autism.

This connection persisted even after adjusting for socioeconomic status, genetics, and medication use.

Researchers suggest that shared disruptions in the brain’s dopamine system may explain the overlap, as dopamine plays a role in both motor control and social behavior.

Although antidepressants and antipsychotics may contribute to Parkinson’s-like symptoms, the elevated risk remained significant.

The findings underline the need for long-term medical follow-up in autistic individuals, despite the rarity of early Parkinson’s overall.

https://neurosciencenews.com/autism-parkinsons-dopamine-29152/

21/05/2025

Depression May Signal Chronic Pain Years Before It Starts

A large study of adults over 50 found that symptoms of depression and loneliness often worsen up to eight years before the onset of chronic pain.

Participants who later developed moderate to severe pain showed a steady rise in depressive symptoms that peaked with the start of their pain and remained high afterward.

In contrast, those without pain experienced relatively stable emotional health over time.

15/05/2025

Long COVID Brain Fog Linked to Inflammation and Stress Markers

A new study comparing people with long COVID to fully recovered individuals has found biological evidence supporting persistent cognitive symptoms like brain fog.

The research shows that long COVID patients have higher levels of inflammation and lower levels of nerve growth factor, a key indicator of the brain’s ability to adapt and repair itself.

Despite performing similarly to controls on standard neuropsychological tests, long COVID participants struggled with tasks requiring rapid word generation and reported significantly worse quality of life.

16/04/2025

How Touch Processing Differs in Autism and Why It Matters

A new study has found that adults with autism show little difference in brain activity between active touch (initiated by themselves) and passive touch (initiated by others), unlike neurotypical individuals who show a clear distinction.

This suggests that people with autism may have difficulty predicting the sensory consequences of their own actions.

Researchers used EEG, virtual reality, and vibrotactile input to simulate realistic touch scenarios, enabling precise measurement of brain responses.

The lack of differentiation in touch processing may help explain why repetitive behaviors like stimming occur, as a form of sensory regulation.

The findings also raise the possibility that these neural differences could be more pronounced in children, offering a path for early intervention.

The study combines multiple cutting-edge technologies to deepen understanding of how autistic individuals experience the world through touch.

https://neurosciencenews.com/tactile-processing-asd-28642/

11/04/2025

Oral Health Tied to Migraines and Fibromyalgia Pain in Women

New research has revealed a strong link between poor oral health and chronic pain conditions such as migraines, abdominal pain, and body pain in women.

The study found that specific oral bacteria were associated with these pain symptoms, highlighting a potential connection between the oral microbiome and the nervous system.

This link was especially pronounced in women with fibromyalgia, a chronic condition affecting two-thirds of study participants.

Researchers found that lower oral health scores significantly predicted higher pain levels, particularly migraines and widespread body pain.

Four bacterial species were identified as potential contributors, even after adjusting for age, BMI, and sugar intake.

These findings suggest that maintaining good oral hygiene may play a key role in managing pain and improving quality of life.

https://neurosciencenews.com/oral-health-fibromyalgia-migraine-28591/

27/03/2025

Type 2 Diabetes Rewires the Brain Like Early Alzheimer’s

New research shows that Type 2 diabetes may alter the brain in ways that resemble early Alzheimer’s disease, particularly by affecting the anterior cingulate cortex (ACC).

This brain region is crucial for motivation, memory, decision-making, and reward processing. In diabetic rodent models, researchers observed that high blood sugar levels disrupted communication between the ACC and the hippocampus, leading to muted reward responses and impaired memory.

The study suggests that this breakdown in brain circuitry could explain why individuals with Type 2 diabetes have a 65% higher risk of developing Alzheimer’s.

These findings may also help identify early changes in brain function that occur long before a clinical diagnosis of dementia.

Researchers believe this work could guide new treatment targets for both cognitive and mood-related symptoms linked to diabetes.

https://neurosciencenews.com/diabetes-memory-alzheimers-28514/

19/02/2025

Brain Circuit Identifies What’s Familiar, Important, or Just Background

Researchers have discovered a previously unknown brain circuit that helps determine whether sensory experiences are familiar, important, or just background noise.

This circuit forms a direct feedback loop between the hippocampus, which processes memory, and the entorhinal cortex, which handles sensory input.

Unlike the slower, previously known pathway, this new loop allows rapid tagging of stimuli based on past experiences and emotions.

The findings suggest that this circuit plays a crucial role in distinguishing meaningful information from irrelevant sensory details.

Understanding this mechanism could provide insight into disorders such as PTSD and autism, where sensory processing is often impaired.

https://neurosciencenews.com/familiar-important-background-neuroscience-24832/

12/02/2025

Gut Microbiome Regulates Brain Signals Through the Vagus Nerve

A new study provides direct evidence that the gut microbiome influences brain function through the vagus nerve.

Researchers found that germ-free mice, which lack gut bacteria, exhibited significantly lower vagal nerve activity than normal mice.

When gut bacteria were introduced, vagal activity was restored, confirming a causal relationship.

10/02/2025

How the Brain Detects Novelty to Predict the Future

New research reveals that the cerebral cortex continuously detects novelty to refine its predictions of future events.

Scientists found that neurons in the auditory cortex of mice generate "echoes" of sensory input, creating short-term memories that help distinguish new from familiar stimuli.

These neural activity patterns enable the brain to detect change and update its internal model of the world.

10/01/2025

Sleep Loss Weakens Brain’s Ability to Block Unwanted Memories

Sleep deprivation impairs the brain's ability to suppress unwanted memories, a function critical for maintaining mental health.

In a study, well-rested participants could engage the prefrontal cortex to block intrusive thoughts, while sleep-deprived individuals struggled.

The hippocampus, responsible for memory retrieval, showed reduced activity during suppression in rested participants but remained overactive in those deprived of sleep.

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