Credit: Hashem Al-Ghaili
Research papers are here:
http://www.nature.com/neuro/journal/v14/n2/full/nn.2726.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4211412/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2776393/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC58814/
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