Adolescent 1 Autism Spectrum Disorder 1 Communication Aids for Disabled 1 Communication Disorders 1 Computers, Handheld 1 Humans 1 Male 1 Picture Exchange Communication System 1 Speech Therapy 1 Young Adult 1 adolescent 1 augmentative and alternative communication 1 autism 1 autism spectrum disorder 1 case report 1 communication aid 1 communication disorder 1 complication 1 devices 1 functional communication 1 human 1 male 1 mobile application 1 mobile technology 1 personal digital assistant 1 procedures 1 requesting speech production 1 speech therapy 1 young adult 1