Rudy Garns's Library tagged brain →  View Popular

In the communal imagination, dopamine is about rewards, and feeling good, and wanting to feel good again, and if you don’t watch out, you’ll be hooked, a slave to the pleasure lines cruising through your brain.

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dopamine motivation neuroscience cogsci brain

The caricature of dopamine as the chemical of hedonism and pleasure - it's what drives us to enjoy sex, drugs and rock and roll - was always mostly misleading. While dopamine does predict the arrival of rewards, the neurotransmitter is much more important that.

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dopaminergic dopamine brain cogsci

Distinct regions within the ventral visual pathway show neural specialization for nonliving and living stimuli (e.g., tools, houses versus animals, faces).

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The Dana Foundation - Q&A with TERRENCE J. SEJNOWSKI, Ph.D.

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To observe neurotransmitter uptake and release from individual presynaptic terminals directly, we designed fluorescent false neurotransmitters as substrates for the synaptic vesicle monoamine transporter.

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dopamine brain neuroscience cogsci

Meet the forgotten 90 percent of your brain: glial cells, which outnumber your neurons ten to one. And no one really knows what they do

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brain glial cogsci

A couple of years ago we organised a salon with Helen Birtwistle of the Institute of Ideas on the meaning of friendship, and the then quite new social networking sites such as Facebook. A US survey in 2004 had found that up to 25% of people claimed that they had no real intimates. Yet by 2007 there was networking technology where people would ask: ‘Can I be your friend?’ What is it all about? Why is it so important?

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facebook brain mind self cogsci

Here are several other videos the readers of the blog might find of interest:

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In reality, your brain operates on the edge of chaos. Though much of the time it runs in an orderly and stable way, every now and again it suddenly and unpredictably lurches into a blizzard of noise. | 29 June 2009 - New Scientist

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Modern neuroscience rests on the assumption that our thoughts, feelings, perceptions, and behaviors emerge from electrical and chemical communication between brain cells: that whenever we recognize a face, read the newspaper, throw a ball, engage in a conversation, or recall a moment in childhood, a pattern of activity in our neurons makes such feats possible. It's a tenet of modern biology that sparks fascination--and disbelief. How can a tangle of cells produce the complexity and subtlety of a mind? | Harvard Magazine May-June 2009

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Vision, the Brain and Memory: The ups and downs of forgetting (Samuel Wang)

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mind brain memory cogsci

THE HUMAN BRAIN is a true marvel of nature. This jelly-like 1.5kg mass inside our skulls, containing hundreds of billions of cells which between them form something like a quadrillion connections, is responsible for our every action, emotion and thought. How did this remarkable and extraordinarily complex structure evolve?

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brain neuroscience grue cogsci

The division of labor by the two cerebral hemispheres—once thought to be uniquely human—predates us by half a billion years. Speech, right-handedness, facial recognition and the processing of spatial relations can be traced to brain asymmetries in early vertebrates (Scientific American)

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brain neuroscience evolution grue cogsci

As someone who studies the brain and also tries to disseminate information about the brain in a user-friendly, but scientifically accurate, way, I cringe when I read some pop accounts of brain research. For example, I recently saw this CNN headline: "Will right-brainers rule this century?" Clicking on the link took me to OPRAH.com, which promised, less hesitantly, to explain "Why right-brainers will rule this century." At least CNN considered the possibility that there was some question about the veracity of the statement. Oprah's headline implied it's a done deal.

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Because I’m sure some readers of this blog like to keep reflecting about neuroscience and psychology even when they’re too tired to keep reading books, articles, and blog posts, I thought I’d offer a list of some relaxing (and in some cases, not so relaxing) music that touches on this theme, so that those who are interested can tide themselves over until the caffeine kicks in. Since most of the songs in the list are from my own music library, it has a strong eighties college radio bias.

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music mind brain grue cogsci

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mind brain consciousness Lehrer grue cogsci

Science Saturday: Brains and Gavels on Bloggingheads.tv. Zimmer and Gazzaniga

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neuroethics brain neuroscience cogsci grue

Gilbert and Wilson offer an engaging essay in the Philisophical Transactions of the Royal Society B (PDF here) titled: "Why the brain talks to itself: sources of error in emotional prediction." In trying to plan futures that involve more pleasure than pain, we perform mental simulations (previews) of future events, which produce affective reactions (premotions), which are then used as a basis for forecasts (predictions) about the future event’s emotional consequences. Their review summarizes several main sources of systematic errors of these predictions. (Deric Bownds' MindBlog)

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brain cogsci emotion

Whaley offers a summary of papers by Martino et al. (open access) and Sharot et al. in a recent issue of J. Neurosci and a more recent paper by Croxson et al. notes correlates of cost-benefits valuation. (Deric Bownds' MindBlog)

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decision-making value brain grue cogsci neuroeconomics