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Tag: neuroscience

How Entheogenic Plants & Fungi Affect Memory

A major area of psychedelic research is its potential clinical applications in psychiatry. In particular, a major area of study has concentrated on the potential therapeutic effects of shrooms, acid, and MDMA for treating post-traumatic stress disorder.

“Memory plays a central role in the psychedelic experience,” begins a 2020 Psychopharmacology review. “The ability for psychedelics to provoke vivid memories has been considered important to their clinical efficacy.”

Throughout their review, the researchers found that psychedelics enhance autobiographical memory recall, which has therapeutic potential for overcoming traumatic experiences. However, psychedelics also have a dose-dependent effect of impairing memory task performance.

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Thought-to-Text Interfaces are Just Around the Corner

While mind-reading interfaces that convert thoughts to text sound like a dystopian sci-fi plot that could go horribly wrong disturbingly fast, the reality may not be so far away — or as fallible, either.

When you first hear “thought to text,” your knee-jerk response might be, “Uhh, no way. What if I have an intrusive thought that I don’t really mean to send? Or an impulse to text someone I know I shouldn’t?” But the most recent brain-computer face interface studies don’t rely on decoding your internal monologue or raw thoughts.

Rather, researchers have programmed a brain-computer interface that decodes “attempted handwriting movements” from motor cortex activity. This technology allows people who have been paralyzed for years to imagine handwriting and translate that into texting at speeds of 90 characters per minute with 94.1 percent accuracy, which is comparable to average smartphone typing speeds.

Furthermore, that accuracy climbs to 99 percent with general-purpose autocorrect.

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5-HT2A: From Psychedelics to Psychiatry

“Serotonin” (5-HT) is more than just a buzzword tossed around by Gen Z and Millennials when something benign boosts their mood.

The beloved hormone has an array of functions throughout the body, with seven types of receptors nestled in your brain and peripheral organs. Each of these receptors has subtypes with labels A through D, as well.

But there’s one serotonin receptor that’s often shrouded in mystery and intrigue — the 5-HT2A receptor. This is the serotonin receptor infamous for its role in the psychedelic experience.

But there’s hardly any discussion of its functions beyond its role in tripping your face off and how that’s tied to your mental health.

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September is National Honey Month

As sunflowers put on a show for us this month, it’s also important to pay homage to another black and yellow marvel of nature: bees.

September is National Honey Month, a time in which we honor the byproduct of the five-eyed, six-legged, insects that have soared through our skies at 20mph for the last 30 million years.

Bee pollination adds approximately 14 billion dollars to improved crop yield and quality annually in the United States, according to NASA. And while we all know the “BEES ARE DYING,” which will inevitably wreak havoc on agricultural output, did you know that honey may have played a critical role in human evolution?

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An Abbreviated History of Neuroscience

Ah, neuroscience, the study of the squishy, slimy, three-pound computer that rests between our ears. Although the brain is the most complex organ in the body (or as a Trends in Cognitive Sciences Journal review aptly put it, “one of the most complex multicellular structures in biology”), neuroscience itself is only a mere 55 years old.

That’s right — the study of the brain, this omnipotent, protein and fat blob of soft tissue, is probably much younger than your grandparents.

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Think With Your Gut

Our bodies are essentially an apartment complex for 100 trillion micro bacteria that have found a home within our intestines.

Before you start writing up an eviction notice, it’s worth noting just how much we – and every other organism with a digestive system – depend on gut microbiota.

Recent research shows gut microbiota influence our mood, behavior, and neurodevelopment. While it may seem these microscopic critters run our lives, the gut microbiome is largely influenced by environmental factors including diet, stress, geography, and age, among others.

Instead of accusing your gut microbiota of being bad tenants, ask yourself: “Have I been a good landlord? What are they trying to tell me?”

Learn to think with your gut, not against it.

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How Psychedelics Impact Personality and Creativity

It only takes a few milligrams of a naturally occurring compound – or even a just few micrograms on a sliver of paper – to open your mind to a vibrant swirl of creativity and long-lasting personality changes.

While psychedelics have shown efficacy in treating various mental health conditions including anxiety, treatment-resistant depression, and post-traumatic stress disorder, they also carry the potential to help researchers further understand the interplay between various brain networks, says a 2018 Medical Hypothesis study.

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Can You Stomach It? The Mysterious Relationship Between Psychedelics and Gut Health

By now, it’s no secret the brain and gut are in constant communication – and yet, there’s still an air of mystery shrowding the gut-brain axis.

So far, we know serotonin is central to gut-brain signaling. In fact, 90 percent of serotonin is synthesized in the lining of the gastrointestinal tract, according to a 2016 Nutrients journal review.

Psychedelics, including psilocybin (a.k.a ‘shrooms’), LSD (a.k.a. ‘acid’), and DMT are serotonergic drugs that bind to the 5-HT2A receptor, says a 2018 World Psychiatric article. This is central to triggering the “psychedelic experience.”

Although research on psychedelics in mood, anxiety, and substance abuse disorders has been and currently is being heavily investigated, with a particular focus on serotonin, the impact of psychedelics on gut health remains largely untapped and under-researched.

Now that’s a head trip.

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Review: Conscious by Annaka Harris

Using neuroscience, psychology, and philosophy as her compass, Annaka Harris guides the reader through the mystery of consciousness in “Conscious: A Brief Guide to the Fundamental Mystery of the Mind.”

Keeping the journey short, sweet, and digestible, Harris manages to present the big question in just a little over 100 pages – an impressive feat, considering the debate has spanned over multiple centuries.

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