<prompt> Scholastic performance is impaired in all of the following, except :Attention Deficit Hyperactivity Disorder ADHDSpecific Learning Disability SLDAnxietyPICA  <response>: Pica is a psychological disorder characterized by an appetite for substances that are largely non - nutritive, such as ice pagophagia ; hair trichophagia ; paper xylophagia ; drywall or paint ; metal metallophagia ; stones lithophagia or soil geophagia ; glass hyalophagia ; faeces coprophagia ; and chalk. 