Related by context. Frequent words. (Click for all words.) 62 irritability 60 involuntary movements 60 compulsive behaviors 57 hyperactivity 55 impulsive behavior 54 cognitive deficits 54 impulsivity 53 behaviors 53 ASDs 52 sleep disturbances 52 attentional 52 cognitive 52 disorder ADHD 51 ADHD symptoms 51 daytime sleepiness 51 self injurious 51 disorder characterized 50 mood disorders 50 maladaptive 50 thumb sucking 50 obsessive compulsive disorders 50 compulsive behavior 50 tics 50 cognitive impairments 49 nonverbal communication 49 developmental disorder 49 excessive daytime sleepiness 48 autism spectrum disorders 48 obsessive compulsive disorder 48 depression anxiety 48 pervasive developmental 48 bedwetting 48 disorders 48 hyperactive 48 ADHD 48 amblyopia 48 bipolar disorders 47 headache nausea 47 ADD ADHD 47 drowsiness 47 neurological disorders 47 gastrointestinal symptoms 47 cognition 47 ataxia 47 obsessive compulsive disorder OCD 47 postural 47 developmental disorders 47 destructive behaviors 47 nonverbal 46 hallucinations 46 sleep disorders 46 dyskinesia 46 Tourette syndrome 46 behavioral 46 muscle contractions 46 excitability 46 neural pathways 46 neurodevelopmental disorders 45 dyslexics 45 disorder 45 toileting 45 depressive symptoms 45 muscle stiffness 45 sleepiness 45 neurotransmitter dopamine 44 auditory 44 neurological disorder 44 syndromes 44 Cognitive 44 disordered eating 44 Symptoms 44 frequent urination 44 phobias 44 impulsiveness 44 bed wetting 44 neurodevelopmental 44 auditory hallucinations 44 addictive behaviors 44 cognitive functions 44 muscle cramps 44 constipation 44 psychiatric disorders 44 vocalization 44 insomnia 43 anxiety disorders 43 bulimia nervosa 43 cognitive behavioral 43 behavioral disorders 43 neuroendocrine 43 habituation 43 Fragile X syndrome 43 wakefulness 43 autism spectrum disorder 43 nausea dizziness 43 inhibitory 43 cataplexy 43 dystonia 43 epilepsy 43 Behaviors 43 autism spectrum 43 cognitive functioning