It is no surprise that children with SPD are often delayed in speech and/or language. If a child is distracted by discomfort caused by their environment, or if they are busy seeking sensations that are not readily available, they are less likely to be able to attend to speech and language learning opportunities.
Can sensory issues affect speech?
When a child has defects in sensory systems such as the auditory perception or vestibular system, speech development will be affected, causing problems such as delays in speech development and articulation disorders.
How does sensory processing disorder affect communication?
Difficulties in Social Communication: Sensory processing difficulties will directly affect social communication. This is because social communication requires attending to incoming sensory stimuli from others, such as body language, auditory and visual input, as well as the greater environment.