Brain ASAP

Neuroscience of Narcissism: Brain Patterns of Inflated Ego & Empathy Deficits

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Narcissism is characterized by self-importance, entitlement, and interpersonal difficulties. Neuroscience research has begun to uncover the complex mechanisms underlying the paradoxical patterns of narcissistic functioning. Key findings show: Narcissism involves heightened vigilance and stress reactivity to ego threats despite outward grandiosity Alterations in brain regions involved in self-vs-other processing may underlie narcissistic self-focus and empathy …

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Dietary Interventions as a Depression Treatment: Quality Foods Boost Mood

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Recent research suggests that adjusting overall diet, rather than taking supplements, may help improve symptoms of depression. Whole food and whole diet interventions show promise as adjunctive treatments for depression, though more research is still needed. Key Facts: 7 studies with over 49,000 participants found that whole food or whole diet interventions reduced depression symptoms …

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Antidepressant Foods to Treat Depression: Top 12 Nutrients to Enhance Mood

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Depression is a major global health issue, but diet may be an effective yet overlooked treatment approach. New research identifies the top food sources of 12 key nutrients that help prevent and treat depression. Oysters, organ meats, leafy greens, lettuces, peppers and cruciferous veggies pack the biggest nutritional antidepressant punch. Key facts: Depression is the …

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Link Between Diet & Depression: What Does the Research Say?

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Eating well may help prevent and treat depression, according to growing evidence from studies on diet and mental health. Key facts: Following an overall healthy diet high in fruits, vegetables, whole grains, fish, and olive oil is associated with a lower risk of depression. A “Western” diet high in processed foods, fried foods, sugary foods, …

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Genetics Linked to Intelligence (IQ), Health, Longevity: Polygenic Scores

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Intelligence predicts health and mortality – but why? New research reveals some genes are implicated in both. Key facts: Intelligence test scores predict mortality, illnesses, and health behaviors. Higher scores indicate lower risk. Both intelligence and health/disease outcomes are highly polygenic – many genetic variants of small effect contribute. Genetic correlations exist between intelligence and …

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Student SAT Scores Strongly Predict College Performance & Post-Grad Earnings

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Student cognitive abilities and college institutional factors both shape outcomes, but the historical evidence suggests student characteristics play an outsized role. Key Facts: In the research paper, student cognitive aptitude accounted for 41-47% of the variance in long-term salary outcomes. Institutional factors collectively accounted for more variance when entered first into models, suggesting both student …

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Diet & Mental Health: Effect of Foods & Nutrition on Mood

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Nutrition plays a major role in mental health, with diet quality closely linked to risk of common mental disorders like depression. This review comprehensively analyzes recent research on the impacts of nutrition on mental health and the use of nutritional interventions in treating psychiatric conditions. Key Facts: Poor diet is a major risk factor for …

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Focused Ultrasound Stimulation of the Prefrontal Cortex Treats Depression in Mice

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A new study published in Frontiers in Psychiatry provides promising evidence that focused ultrasound stimulation of the prefrontal cortex can alleviate depressive behaviors in mice by suppressing inflammatory responses. Key facts: Researchers stimulated the prefrontal cortex of mice with focused ultrasound for 30 minutes. Mice treated with ultrasound showed less depressive behaviors compared to sham …

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Repeated Low Dose Amphetamine & Behavioral Sensitization in Humans

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A series of studies suggest that repeated low doses of d-amphetamine can lead to a progressively greater behavioral response in some people. This phenomenon, known as “behavioral sensitization,” has been observed in animal models and hypothesized to contribute to addiction in humans. However, few controlled human studies have directly tested this idea. A new double-blind, …

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Psychoplastogens: Rewiring the Brain via Neuroplasticity with Psychedelics

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Big picture: Psychoplastogens are a groundbreaking new class of psychoactive compounds that rapidly induce structural and functional changes in the brain, allowing pathological neural circuits to be rewired for therapeutic benefit. Key facts about psychoplastogens: Rapidly increase neural plasticity, unlike traditional antidepressants that work slowly. Produce fast-acting and sustained antidepressant effects in humans after a …

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