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O

Object Permanence: A child's awareness that an object still exists even when it is taken out of visual range.

Objective(s): The intermediate steps that must be taken to reach the annual goals; a component of the IEP.

Obsessive Compulsive Disorder (OCD): A disorder that causes anxiety due to abnormal recurring thoughts or images (e.g., fear that the door is unlocked) which the individual can only dispel by performing a specific act (e.g., repeatedly checking to make sure the door is locked).

This is a disorder in which a person is obsessed with unwanted thoughts and feels the need to act out compulsive behaviors.

Occupational Therapist or Occupational Therapy (OT): A therapist who specializes in improving the development of fine motor and adaptive skills.

A therapist that works with improving fine motor skills as well as developing solutions for practical day-to-day living as deficits are accommodated.

Oral Motor Skills: Skills involving muscles in and around the mouth, including chewing, swallowing, and forming speech sounds.

OT: See Occupational Therapist.