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Archive for the ‘neuroscience’ category: Page 385

Nov 27, 2022

Four-Month-Old Ravens Can Be As Smart As Adult Apes, Cognitive Tests Shows

Posted by in category: neuroscience

You really can’t call a raven a birdbrain, because they and other corvids (the avian family they belong to) are actually pretty smart. New research published in Scientific Reports suggests that, at just four months old, these birds can compete as well as adults chimpanzees and orangutans in certain cognitive tasks.

The work focused on eight hand-raised ravens. They were tested at the age of four, eight, 12, and 16 months using the Primate Cognition Test Battery (PCTB), a standardized test for assessing animal cognition. The researchers tested if the birds exhibited spatial memory, understood numbers and addition, and if they could learn from and communicate with their handlers. They even looked at object permanence, which is the ability to know that an object still exists even if it’s out of sight.

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Nov 27, 2022

Neuroscience exploration

Posted by in category: neuroscience

Neuroscience playlist.


Share your videos with friends, family, and the world.

Nov 27, 2022

Research reveals the links between viruses and Alzheimer’s disease

Posted by in categories: biotech/medical, neuroscience

https://youtube.com/watch?v=m0vWME0Mk1Q

Dr Ruth Itzhaki explains her life in Alzheimer’s research, looking into the way infectious illnesses might increase chances of developing the disease.

Nov 27, 2022

Groundbreaking New Technology Allows People To Listen to Music Through Touch

Posted by in categories: information science, media & arts, neuroscience

A ground-breaking prototype developed by experts from the Department of Electronics at the University of Malaga and members of the R&D group “Electronics for Instrumentation and Systems,” will allow those with hearing loss to listen to music through the sense of touch.

It consists of an audio-tactile algorithm that transforms monophonic music into tangible stimuli based on vibration utilizing “tactile illusions.” According to the researchers, “It’s like ‘hacking’ the nervous system to receive a different response to the real stimulus sent.”

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Nov 26, 2022

Scientists develop RNA-targeting strategy to repair genetic cause of ALS and dementia

Posted by in categories: biotech/medical, genetics, health, neuroscience

Scientists at University of Florida (UF) Scripps Biomedical Research have developed a potential medicine for a leading cause of ALS and dementia that works by eliminating disease-causing segments of RNA. The compound restored the health of neurons in the lab and rescued mice with the disease.

The potential medication is described this week in the scientific journal Proceedings of the National Academy of Sciences. It is designed to be taken as a pill or an injection, said the lead inventor, professor Matthew Disney, Ph.D., chair of the UF Scripps chemistry department. Importantly, experiments showed that the compound is small enough to cross the blood-brain barrier, a hurdle other approaches have failed to clear, he said.

Amyotrophic lateral sclerosis, or ALS, progressively destroys neurons that control muscles, leading to worsening muscle loss and eventually death. The mutation, a leading cause of inherited ALS, is referred to as “C9 open reading frame 72,” or C9orf72. This mutation also leads to one form of frontotemporal dementia, a brain disease that causes the brain’s frontal and to shrink, resulting in changes in personality, behavior and speech, ultimately resulting in death.

Nov 26, 2022

Psychedelics: Chemicals, Consciousness, and Creativity

Posted by in categories: chemistry, neuroscience

Could psychedelics make you more creative? Shift your mind, connect you to others, and help you access a younger, more malleable version of yourself? Activist Rick Doblin, neuroscientist Gül Dölen, and musician Reggie Watts join Brian Greene for a mind-bending and multidisciplinary conversation about the promises and pitfalls of these “magic” molecules and their impact on creativity, connection, and consciousness.

This program is part of the Big Ideas series, supported by the John Templeton Foundation.

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Nov 26, 2022

Breakthrough study reveals that human and octopus brains have common features

Posted by in categories: evolution, neuroscience

The study’s findings could play a crucial role in developing a complex brain.

A common feature that connects humans and octopuses has only recently been revealed. It may sound a little bit quirky to you, but not to scientists.

Published very recently in Science Advances today, a team led by Nikolaus Rajewsky of the Max Delbrück Center has now shown that their evolution is linked to a dramatic expansion of their microRNA repertoire.

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Nov 26, 2022

How to Help a Loved One

Posted by in category: neuroscience

Identifying how to help a loved one struggling with mental health challenges can feel overwhelming. Our helpful guide is filled with tips, strategies, and resources that can accelerate the journey to recovery.

Nov 26, 2022

Researchers confirm a primary cause of Alzheimer’s disease

Posted by in categories: biotech/medical, neuroscience

In a study from Yale-NUS College, researchers found evidence that metabolic dysfunction is a primary cause of Alzheimer’s disease is the most common neurodegenerative disease affecting the elderly worldwide, as well as one of the most common causes of dementia. In Singapore, one in 10 people aged 60 or above is believed to suffer from dementia.

Nov 26, 2022

Good and bad memories are stored in different neurons, study finds

Posted by in categories: biological, neuroscience

Memories are stored in all different areas across the brain as networks of neurons called engrams. In addition to collecting information about incoming stimuli, these engrams capture emotional information. In a new study, Steve Ramirez, a neuroscientist at Boston University, discovered where the brain stores positive and negative memories and uncovered hundreds of markers that differentiate positive-memory neurons from negative-memory neurons.

In 2019, Ramirez found evidence that good and bad memories are stored in different regions of the hippocampus, a cashew-shaped structure that holds sensory and emotional information necessary for forming and retrieving memories. The top part of the hippocampus activated when mice underwent enjoyable experiences, but the bottom region activated when they had negative experiences.

His team also found that they could manipulate memories by activating these regions. When he and his team activated the top area of the hippocampus, bad memories were less traumatic. Conversely, when they activated the bottom part, mice exhibited signs of long-last lasting anxiety-related behavioral changes. Ramirez suspected this difference in effect was because the neurons that store good and bad memories have different functions beyond simply keeping positive and negative emotions. However, before he could unravel this difference, he needed to identify which cells were storing good and bad memories. The results were published in the journal Communications Biology.

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