<p><p>Adnan, Tatheer &amp; Mourdoukoutas, Antonios &amp; Kronberg,
Greg &amp; Truong, Dennis &amp; Boggio, Paulo &amp; Brunoni, Andre &amp;
Charvet, Leigh &amp; Fregni, Felipe &amp; Fritsch, Brita &amp; Gillick, Bernadette
&amp; Hamilton, Roy &amp; Hampstead, Benjamin &amp; Jankord, Ryan &amp; Kirton,
Adam &amp; Woods, Adam. (2016). Safety of Transcranial Direct Current
Stimulation: Evidence Based Update 2016. Brain Stimulation. 9.
10.1016/j.brs.2016.06.004.</p>

<p>Coben, R., and Myers, T. E.
(2010). The relative efficacy of connectivity guided and symptom based EEG
biofeedback for autistic disorders.&nbsp;<i>Appl. Psychophysiol. Biofeedback</i>&nbsp;35,
13–23. doi: 10.1007/s10484-009-9102-5 </p>

<p>Nunez, P. (1994).&nbsp;<i>Neocortical
Dynamics and Human EEG Rhythms.</i>&nbsp;New York, NY: Oxford University Press.</p><p>
Nunez, P., and Srivinasan, R. (2006).&nbsp;<i>Electrical
Fields of the Brain: The Neurophysics of EEG.</i>&nbsp;New York, NY: Oxford
University Press, doi: 10.1093/acprof:oso/9780195050387.001.0001</p>

<p>Shekelle PG, Cook IA,
Miake-Lye IM, Booth MS, Beroes JM, Mak S (2018). "Benefits and Harms of
Cranial Electrical Stimulation for Chronic Painful Conditions, Depression,
Anxiety, and Insomnia: A Systematic Review".&nbsp;<i>Ann Intern Med</i>.&nbsp;<b>168</b>&nbsp;(6):
414–421.&nbsp;<a href="https://en.wikipedia.org/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a href="https://doi.org/10.7326%2FM17-1970">10.7326/M17-1970</a>.&nbsp;<a href="https://en.wikipedia.org/wiki/PubMed_Identifier" title="PubMed Identifier">PMID</a>&nbsp;<a href="https://pubmed.ncbi.nlm.nih.gov/29435567">29435567</a>.</p><br></p>