Dear Jesus,

These articles may be of interest to you.

Best wishes,

Julio

http://www.healing-arts.org/children/ADHD/biofeedback.htm#LD

http://latitudes.org/eeg-biofeedback-and-children/

http://www.neurofeedbackclinic.ca/journals/learning_disability/ld04.pdf

http://www.additudemag.com/adhdblogs/4/8901.html

https://www.hoffmancentre.com/assets/files/pdf/articles/EEG%20Sensorimotor%20rhythm%20biofeedback%20training%20-%20some%20effects%20on%20the%20neurologic%20precursors%20of%20learning%20disabilities.pdf

Hello Jesus:

You may be interested in this thesis: 

http://eprints.ucm.es/33704/1/T36561.pdf

And these websites:

http://www.fundacioncadah.org/web/articulo/neurofeedback-que-es-en-que-consiste-es-eficaz-para-tratar-el-tdah.html

http://www.eeginfo-neurofeedback.es/neurofeedback/que-es-neurofeedback.html

Best regards

Look in this doctor and his articles. I personally used him for my daughter many years ago. He does neuro bio feedback and it worked tremendously!                             http://www.centerforadd-az.com/about-dr-silverman