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GABA and Tourette syndrome
GABA is an inhibitory neurotransmitter. In other words, its primary role is to suppress the activity of neurons. It plays a critical role in the regulation of the nervous system. There is interesting...
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“Transcranial Direct Current Stimulation Temporarily Reverses Age-Associated...
A paper in The Journal of Neuroscience claims that a single session of transcranial direct current brain stimulation can “temporarily reverse nonbeneficial effects of aging on cognition and brain...
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Transcranial direct current stimulation versus caffeine
A paper presented at Neuroscience 2014 reports that transcranial direct current stimulation is superior to caffeine in boosting alertness and mental performance. Here is the abstract: “Background:...
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Skepticism about transcranial direct current brain stimulation
I have been following research about transcranial direct current stimulation with great interest. A number of papers have reported on the cognitive enhancing effects of this simple intervention. But...
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Eye injections for night vision?
Chlorin E6 is a light sensitive compound. Now a group of experimenters have discovered that injecting Chlorin E6 into the eyeball gives the recipient a form of night vision. You can read the (non-peer...
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PBS report on transcranial direct current stimulation
A pretty good over view. But when will science reporters stop using the word “proved?”
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New transcranial direct current stimulation platform
From Wired UK here is a video on a commercial implementation of transcranial direct current stimulation Remember that many questions about transcranial direct current stimulation of the brain remain...
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tDCS, reason to reserve judgement
Many of the articles I read on transcranial direct current stimulation follow a similar pattern. The intrepid reporter is strapped with electrodes to the skull and, after reporting a tingling feeling,...
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Transcranial direct current stimulation decreases performance on intelligence...
The other day, I linked to a popular account of this story. Here is the abstract for the original paper: “Transcranial direct current stimulation (tDCS) modulates excitability of motor cortex. However,...
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Warning: transcranial direct current stimulation may alter brain protiens
I know it’s tempting, but here’s another reason not to rush into transcranial direct current stimulation: ‘To better understand the effects of current on the brain the researchers used only 0.8V ,...
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The science of non-invasive brain stimulation
A nice video explaining the science of non-invasive brain stimulation is now available at Meaning of Life TV. WordPress doesn’t allow me to embed videos from Meaning of Life TV, so you have to watch it...
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More warnings on transcranial direct current stimulation
From the Vancouver Sun: Placing the electrodes is a key step, and some sets make it easy to confuse the cathode, which is positively charged, with the negatively charged anode. Depending on the...
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A Waterloo for transcranial direct current stimulation?
I have been following the research on transcranial direct current stimulation of the brain, with great interest. Many papers have reported positive results, suggesting that the procedure may have real...
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A “dead salmon moment” for tDCS?
Another account of György Buzsáki’s tDCS experiment: “Buzsáki set up the system on a cadaver and measured how much of the current penetrated the skull and made it into the brain. Not much, so it would...
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Noninvasive Brain Stimulation for Food Cravings
A paper in the journal Psychosomatic Medicine reviews the research on Brain Stimulation as a treatment for food cravings. The findings suggest that repetitive transcranial magnetic stimulation might be...
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Olympic athletes use transcranial direct current stimulation
According to IEEE Spectrum: “A handful of athletes competing at the Summer Olympic Games in Rio next week will arrive having tried to boost their performance using an unconventional (and...
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Transcranial direct current stimulation for dementia?
Possibly, according to a paper presented at the recent American Academy of Neurology Annual Meeting: To assess efficacy of transcranial direct current stimulation (tDCS) for improving picture naming...
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An fMRI study of transcranial alternating current stimulation (tACS)
I have been following the research on transcranial electrical stimulation of the brain and I have blogged about both positive and negative findings. Here’s an interesting paper, just published in...
View ArticleNew evidence on transcranial electric stimulation of the brain
Last year György Buzsáki performed a public experiment showing that electricity passed through electrodes placed on the scalp of a cadaver could not be detected in the brain. This raised serious...
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