Nestoriuc, Rief, & Martin (2008)* conducted a meta-analysis of biofeedback applications for tension-type headache (TTH). A meta-analysis combines data from published studies that meet inclusion criteria to increase statistical power and the ability to detect a statistically meaningful treatment effect, often expressed as an "effect size." The researchers provide an overview of TTH and report that episod ...

Autistic Spectrum Disorders (ASD) are characterized by significant deficits in social skills, attention/concentration, and communication, as well as emotional, cognitive, and behavioral impairments. Examples include Autism, Asperger's Disorder, and Pervasive Developmental Disorder Not Otherwise Specified. I am not aware of any treatment that can "cure" ASD. Current therapies focus on symptom reduction, beha ...