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In several small, open-treatment case series starting in the 1970s, children with ADHD benefited from EEG biofeedback. These researchers examined EEG data during biofeedback training of 23 children with DSM-IV ADHD inattentive, hyperactive, or combined types (age range, 8–13; 19 boys). Behavior, cognition, and quality of life were also assessed.
The training involved three phases of 10 sessions each. Phases, which lasted 2 weeks, were separated by 4 to 6 weeks. The children were trained to control event-related slow cortical potentials (SCPs). Initially, both auditory and visual feedback was given (e.g., a computer screen showed a ball moving proportionally with the direction of the SCP, and smiley faces appeared when SCP regulation increase…