A communication disorder is a disease or condition that partially or totally prevents human communication. The defect can be in producing, receiving or understanding the communication.

Examples of communication disorders:

• autism -- a developmental defect that affects understanding of emotional communication
• aphasia -- loss of the ability to produce or comprehend 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 number
• 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
  • stuttering
  • oesophageal voice
• etc

See also:

• Glossary of medical terms related to communications disorders

External links:

• List of communication disorder related links (http://www.mankato.msus.edu/dept/comdis/kuster2/welcome.html)