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Archive for the ‘virtual reality’ category: Page 82

Feb 25, 2014

Legal Heroin: Is Virtual Reality Our Next Hard Drug?

Posted by in category: virtual reality

— Singularity Hub
vr-helm
So video games are addictive—this we know.

It comes down to dopamine, one of the brain’s basic signaling molecules. Emotionally, we feel dopamine as pleasure, engagement, excitement, creativity, and a desire to investigate and make meaning out of the world. It’s released whenever we take risks, or encounter novelty. From an evolutionary standpoint, it reinforces exploratory behavior.

More importantly, dopamine is a motivator. It’s released when we have the expectation of reward. And once this neurotransmitter becomes hardwired into a psychological reward loop, the desire to get more of that reward becomes the brain’s overarching preoccupation. Cocaine, widely considered the most addictive drug on the planet, does little more than flood the brain with dopamine and block its reuptake (sort of like SSRI’s block the reuptake of serotonin).

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Jan 11, 2014

Why You Should Upload Yourself to a Supercomputer

Posted by in categories: singularity, supercomputing, virtual reality

George Dvorsky on io9

Why You Should Upload Yourself to a Supercomputer

We’re still decades — if not centuries — away from being able to transfer a mind to a supercomputer. It’s a fantastic future prospect that makes some people incredibly squeamish. But there are considerable benefits to living a digital life. Here’s why you should seriously consider uploading.

As I’ve pointed out before, uploading is not a given; there are many conceptual, technological, ethical, and security issues to overcome. But for the purposes of this Explainer, we’re going to assume that uploads, or digital mind transfers, will eventually be possible — whether it be from the scanning and mapping of a brain, serial brain sectioning, brain imaging, or some unknown process.

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