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Archive for the ‘neuroscience’ category: Page 21

Nov 26, 2023

AI-powered program fights homelessness in Los Angeles

Posted by in categories: biotech/medical, neuroscience, robotics/AI

In a bid to combat the ongoing homelessness crisis, Los Angeles County is using artificial intelligence (AI) to identify and support individuals at the highest risk of becoming homeless.

This pioneering pilot program analyzes data from seven county agencies, including medical visits, mental health care, substance abuse diagnoses, arrests, and public benefit sign-ups, to identify those most vulnerable to homelessness.

Dedicated case managers then reach out to these individuals, offering comprehensive support for four to six months, including access to $4,000 to $6,000 in aid to cover essential expenses like rent, utilities, and groceries. This assistance is designed to stabilize not only their housing but also their overall well-being.

Nov 26, 2023

How Memory Makes Us and Breaks Truth: The Rashomon Effect and the Science of How Memories Form and Falter in the Brain

Posted by in categories: neuroscience, science

It is already disorienting enough to accept that our attention only absorbs a fraction of the events and phenomena unfolding within and around us at any given moment. Now consider that our memory only retains a fraction of what we have attended to in moments past. In the act of recollection, we take these fragments of fragments and try to reconstruct from them a totality of a remembered reality, playing out in the theater of the mind — a stage on which, as neuroscientist Antonio Damasio has observed in his landmark work on consciousness, we often “use our minds not to discover facts, but to hide them.”

We do this on the personal level — out of such selective memory and by such exquisite exclusion, we compose the narrative that is the psychological pillar of our identity. We do it on the cultural level — what we call history is a collective selective memory that excludes far more of the past’s realities than it includes. Borges captured this with his characteristic poetic-philosophical precision when he observed that “we are our memory… that chimerical museum of shifting shapes, that pile of broken mirrors.” To be aware of memory’s chimera is to recognize the slippery, shape-shifting nature of even those truths we think we are grasping most firmly.

Continue reading “How Memory Makes Us and Breaks Truth: The Rashomon Effect and the Science of How Memories Form and Falter in the Brain” »

Nov 26, 2023

Weaponizing Brain Science: Neuroweapons — Part 2 of 2

Posted by in categories: biotech/medical, military, neuroscience, science

https://www.hdiac.org/podcast/neuroweapons-part-2/

The second installment of this two-part podcast continues the conversation with Dr. Giordano on the implications of weaponizing brain science. In an article he wrote for HDIAC in 2016 titled ‘Battlescape Brain’, Dr. Giordano hinted at the possibility of a neuroweapons arms race that could follow from international surveillance. Dr. Giordano provides an updated look at these concerns in the context of today’s environment. He concludes by describing ethical frameworks that could regulate future policies for biotechnology as the world moves forward in this dynamic area.

Continue reading “Weaponizing Brain Science: Neuroweapons — Part 2 of 2” »

Nov 26, 2023

HDIAC Podcast — Weaponizing Brain Science: Neuroweapons — Part 1 of 2

Posted by in categories: chemistry, neuroscience, science, security

https://www.hdiac.org/podcast/neuroweapons-part-1/

In part one of this two-part podcast, HDIAC analyst Mara Kiernan interviews Dr. James Giordano, a Professor in the department of Neurology and Biochemistry at Georgetown University Medical Center. The discussion begins with Dr. Giordano defining neuroweapons and explaining their applied technologies. He provides insight into the manner in which international weapons conventions govern the use neuroweapons and discusses the threats presented by neuroweapons in today’s environment. Dr. Giordano goes on to review the need for continuous monitoring, including his views regarding challenges and potential solutions for effectively understanding global developments in neuroweapon technologies.

Continue reading “HDIAC Podcast — Weaponizing Brain Science: Neuroweapons — Part 1 of 2” »

Nov 26, 2023

Researchers discover mechanism for memory storage in engram cells

Posted by in category: neuroscience

What is the mechanism that allows our brains to incorporate new information about the world, and form memories? New work by a team of neuroscientists led by Dr Tomás Ryan from Trinity College Dublin shows that learning occurs through the continuous formation of new connectivity patterns between specific engram cells in different regions of the brain.

Whether on purpose, incidentally, or simply by accident, we are constantly learning and so our brains are constantly changing. When we navigate the world, interact with each other, or consume media content, our brain is grasping information, creating new memories.

The next time we walk down the street, meet our friends, or come across something that reminds us of the last podcast we listened to, we will quickly re-engage that memory information somewhere in our brain. But how do these experiences modify our neurons to allow us to form these new memories?

Nov 26, 2023

How do two new books on consciousness close in on the elusive field?

Posted by in categories: evolution, neuroscience

The Four Realms of Existence by Joseph LeDoux and Consciousness by John Parrington tell us a lot about human cognition, brain structure and evolution – but most of all they demonstrate how far this most tricky of quests still has to go.

By Susan Blackmore

Nov 26, 2023

Bayesian encoding and decoding as distinct perspectives on neural coding

Posted by in category: neuroscience

This paper characterizes two distinct philosophies underlying previous work on how Bayesian computations are linked to neural data, highlighting how different theories may be motivated by different tacit assumptions and thereby explain different data.

Nov 26, 2023

Advanced Materials To Enable Wireless Brain-Machine Interface

Posted by in categories: materials, neuroscience

Prof. Sakhrat Khizroev (University of Miami) discusses how new and advanced materials can be used for interfacing machines and the human brain!

#brain #machines #advancedmaterials

Nov 26, 2023

The Fermi Paradox Compendium of Solutions & Terms

Posted by in categories: asteroid/comet impacts, existential risks, information science, media & arts, neuroscience, singularity, sustainability, time travel, virtual reality

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In the grand theater of the cosmos, amidst a myriad of distant suns and ancient galaxies, the Fermi Paradox presents a haunting silence, where a cacophony of alien conversations should exist. Where is Everyone? Or are we alone?

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Nov 26, 2023

You Must Know THIS Before You Can Answer!

Posted by in categories: biotech/medical, neuroscience

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Is the Matrix really real? And if so, which pill would David Chalmers take?

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