estilingue

 https://www.google.com/search?q=estilingue

mesmerize

 https://www.google.com/search?q=mesmerize

gaze

 https://www.google.com/search?q=gazed

Camps

https://www.google.com/search?q=concentration+camps

savadhana

 https://www.google.com/search?q=savadhana+mate

Overcome Pain by Concentration

 https://www.google.com/search?q=Overcome+Pain+by+Concentration

Attention

https://en.wikipedia.org/wiki/Attention_deficit_hyperactivity_disorder

https://www.google.com/search?q=attention+vs+concentration+vs+focus

Site
https://add.org/

Org
http://www.additudemag.com/

Child and Aduilt
http://www.chadd.org/

Add
http://www.add-adhd.org/

Basic
https://basicattentiontoken.org/

Tube
https://www.youtube.com/results?search_query=Attention

Slides
http://www.slideshare.net/search/slideshow?searchfrom=header&q=Attention

span

 https://www.google.com/search?q=attention+span

refocus

 https://www.google.com/search?q=refocus