Attention deficit

Attention deficit/inability to concentrate

Prevalence

 * 93.0% - 95.9% of the 2073 patients in a Belgian study of 2001 reported attention deficit.
 * Katrina Berne reports a prevalence of 70-100% for concentration/attention deficit.

Symptom recognition

 * In the Canadian Consensus Criteria, impairment of concentration and short-term memory consolidation is an optional criteria for diagnosis, under the section Neurological/Cognitive Manifestations.