Neural Network Simulated Annealing

Performance Improves with Transcranial Random Noise Stimulation
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Stimulating the brain with high frequency electrical noise can supersede the beneficial effects observed from transcranial direct current stimulation, either anodal or cathodal (as well as those observed from sham stimulation), in perceptual learning, as newly reported by Fertonani, Pirully & Miniussi in the Journal of Neuroscience. The authors suggest that transcranial random noise stimulation may work by preventing those neurophysiological homeostatic mechanisms that govern ion channel conductance from rebalancing the changes induced by prolonged practice on this perceptual learning task.
Over several experiments, a total of 99 subjects underwent transcranical random noise stimulation, consisting of an AC current of 1.5 mA intensity at random frequencies between 0.1 to 100 Hz (for low-frequency stimulation) or 100-640 Hz (for high frequency stimulation). Direct current stimuliation was similarly provided at 1.5mA. (In case you wanted to replicate this experiment at home, the company that sells the device used in this study has made it clear they’re perfectly fine with selling you one for your own personal use ["Unser Service für Sie persönliche Beratung"] – not that I’m recommending that!) At any rate, no artifactual visual perceptions were induced by these stimulations, and all women were tested during their follicular menstrual phase (at which point their cortical excitability is most similar to that of men). Stimulation was provided for approximately 4 minutes over the occipital lobe (or vertex, for control stimulation conditions) during each block of a visual orientation discrimination task. Subjects simply had to say whether a given stimulus was tilted clockwise or counterclockwise relative to a preceding reference stimulus.

Source: Developing Intelligence

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2012-01-24 22:58:21 by wounsel

So, on my century ride the other day, I ate a bunch of food to keep pedaling. I noticed that one of the guys on the ride who rode last time didn't seem to eat much. -- He's a vegan. When I asked him what he was going to eat for this ride he told me he had eaten cherries for breakfast, and he would eat some peanuts and some dried berries that he had in his jersey. WTF
What I'm wondering is how this guy can pedal a fixie 100 miles on solely nuts + berries + cherries + some water. It took me 2 oatmeal packs, 1 egg, on egg burrito from mcdonalds (a rest stop on the way), 4 clif bars, 2 granola bars, ~12 pieces of pizza @ cici's, salad & pasta @ cici's.... and when I got home, I was starving. -- one online calculator estimated about 3,900 calorie burn on top of whatever my basal...

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Hey, i'm 25 and i'm giving up on the whole i wanna b a dj thing i was thinking, LOL. I am deciding i wanna grow up and stop partying and have a career. i know it's a bit late but whatever. I am thinking about going back to school and i think i'd like to major in accounting. now i'm not good with math, but i don't mind adding lots of number, using a calculator all day and doing paperwork. so i'm thinking of getting an associates and then seeing if i can get a job as a accounting clerk and then go to school for my bachelors while i continue working. which would be 2 more years for my bachelors right?. now does anyone think that this is a good idea? i know that not everyone who's in accounting do it because they love it. since i'm not that good at math, should i still do it? i know during...

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