Communication Disorder

A Communication Disorder – speech and language disorders which refer to problems in communication and in related areas such as oral motor function. The delays and disorders can range from simple sound substitution to the inability to understand or use language.

Examples of communication disorders:

Autism — a developmental defect that affects understanding of emotional communication

Aphasia — loss of the ability to produce or comprehend language

Learning disability – Both speaking and listening components of the definition

Dysnomia – Deficit involving word retrieval

Asperger syndrome- Areas of social and pragmatic language

Semantic Pragmatic Disorder – Challenges with the semantic and pragmatic aspects of language

Blindness — a defect of the eye or visual system

Deafness — a defect of the ear or auditory system

Dyslexia — a defect of the systems used in reading

Dyscalculia — a defect of the systems used in communicating numbers

Expressive language disorder — affects speaking and understanding where there is no delay in non-verbal intelligence.

Mixed receptive-expressive language disorder — affects speaking, understanding, reading and writing where there is no delay in non-verbal intelligence.

Speech disorders such as

Cluttering, a speech organization disorder


Oesophageal voice

Speech sound disorder

Specific language impairment


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