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Showing posts with the label #neurobiology

Attitude Bias at Procrastination’s Root

Summary:   New research delves into how valence weighting bias—people’s tendency to prioritize negative or positive attitudes—plays a crucial role in procrastination. By studying individuals’ responses to tasks like tax filing and academic research participation, the researchers found a strong link between a negative-leaning attitude and the tendency to delay tasks. Additionally, interventions that balanced participants’ valence weighting bias showed promise in reducing procrastination, suggesting that this psychological bias might be a key target for improving decision-making and task completion. This insight opens new avenues for addressing procrastination by adjusting how individuals weigh positive and negative signals when faced with decisions. Key Facts: Valence Weighting Bias and Procrastination : Individuals with a stronger negative bias are more likely to procrastinate, delaying tasks such as tax filing and academic participation. Intervention Shows Promise : Manipulating t...

Unlocking Creative Flow: How the Brain Enters the Zone

Summary:   A new study unveils how the brain enters the creative flow state, famously known as being “in the zone.” By analyzing jazz improvisations through EEGs, the research confirms that creative flow combines extensive experience with a conscious release of control, allowing for automatic idea generation. This “expertise-plus-release” model suggests that deep creative flow is more accessible to those with significant experience and the ability to let go. The findings offer a new understanding of flow, challenging previous theories and opening avenues for enhancing creativity through practice and relinquishment of control. Key Facts: The study supports the “expertise-plus-release” theory of creative flow, indicating that expertise and the ability to release control are essential for achieving deep creative states. High-flow states are associated with increased activity in the brain’s auditory and touch areas, and decreased activity in executive control regions, supporting the id...

Sleep Brainwaves Flush Brain of Waste

Summary:  A new study unveiled a crucial role of sleep: brainwaves facilitating the cleansing of the brain by flushing out waste. This discovery not only underscores the brain’s non-dormant state during sleep but also highlights a sophisticated system where neurons’ synchronized activity powers the flow of cerebrospinal fluid, effectively removing metabolic waste and potentially neurodegenerative disease-causing toxins. This insight opens up possibilities for enhancing brain cleaning processes to combat neurological diseases and improve sleep efficiency, hinting at a future where optimized sleep could lead to better health outcomes. Key Facts: Brainwaves Propel Cleansing Fluids : During sleep, neurons coordinate to produce rhythmic waves that drive the movement of fluid through the brain, washing away waste. Potential for Disease Prevention : Understanding and enhancing this cleansing process could delay or prevent diseases like Alzheimer’s and Parkinson’s by ensuring the effective...

Educational Achievement Slows Aging

Summary :  Researchers discovered a link between educational attainment and biological aging, using data from the Framingham Heart Study. Their findings, utilizing the DunedinPACE epigenetic clock on genomic data, reveal that higher levels of education are associated with a slower pace of aging and a reduced risk of mortality. This landmark study highlights the potential of educational interventions to promote healthy longevity, underscoring education as not just a socio-economic benefit but a key factor in biological resilience and lifespan extension. By focusing on upward educational mobility and sibling comparisons, the study offers robust evidence that the benefits of education extend deeply into our biological makeup, influencing our health trajectories and mortality risks. Key Facts: Link Between Education and Aging : Two additional years of schooling were found to correlate with a 2-3% slower pace of aging, as measured by the DunedinPACE epigenetic clock. Educational Mobilit...

Electrical Stimulation Enhances Hypnotizability

Summary:  Researchers have found that targeted electrical stimulation of the brain can temporarily increase a person’s hypnotizability, potentially allowing more individuals to benefit from hypnosis-based therapies for pain relief and other conditions. In a study involving participants with fibromyalgia, electrical stimulation delivered to the left dorsolateral prefrontal cortex boosted hypnotizability for about an hour. The effect was achieved in less than two minutes of stimulation and was statistically significant. The findings offer a novel approach to altering stable traits and could have broader implications for enhancing responses to psychotherapy. Key Facts: Hypnotizability is a stable trait in adults, much like personality and IQ, and can influence the effectiveness of hypnosis-based therapies. Transcranial magnetic stimulation delivered targeted electrical pulses to the brain, increasing hypnotizability for a short duration. This research has potential applications in pai...

Withdrawal From Psychostimulants Restructures Functional Architecture of Brain

  Summary:  Withdrawal from psychostimulants including methamphetamines, cocaine, and nicotine, produced restructuring of brain regions and major increases in functional connectivity, a new mouse study reveals. Source:  UCSD Addictive psychostimulants, from nicotine in cigarettes to illicit drugs like  methamphetamine and cocaine, affect different regions of the brain. The same  is believed true during withdrawal; finding a common brain pathway has proved el usive.  In a new paper, publishing September 27, 2021 in the journal  eNeuro , a multi-institution team of researchers describe how withdrawal from nicotine, methamphetamine and cocaine altered the functional architecture and patterns in the brains of mice, compared to control animals.  They found that each drug produced a unique pattern of activity in the brain, but that mouse brains in withdrawal shared similar features. Perhaps more notably, the researchers said all psychostimulants shared ...

Beyond Consciousness: How Meditators Voluntarily Enter Void States

E xperienced meditators can voluntarily induce unconscious states, known as cessations, without the use of drugs. This ability, observed in Tibetan Buddhist practice, allows meditators to experience a momentary void of consciousness, followed by enhanced mental clarity. Conducted across multiple countries, the study utilized EEG spectral analysis to objectively measure brain activity during these cessation events. By correlating the meditator’s first-person experience with neuroimaging data, researchers have gained insights into the profound modulation of consciousness achievable through advanced meditation practices. Key Facts: Experienced meditators can voluntarily enter a state of cessation, momentarily losing consciousness without external aids. The study analyzed 37 cessation events in one expert meditator across 29 sessions using EEG spectral analysis. This research opens new avenues for understanding consciousness modulation through meditation. Source:  BIAL Foundation A stu...