John A Seikel has written:

'Essentials of anatomy and physiology for communication disorders' -- subject(s): Anatomy, Language disorders, Physiological aspects, Physiological aspects of Language disorders, Physiology

They can be, yes.

P. Lavie has written:

'Sleep disorders' -- subject(s): Diagnosis, Physiological aspects, Physiological aspects of Sleep, Sleep, Sleep disorders, Treatment

Douglas B. Webster has written:

'Neuroscience of communication' -- subject(s): Brain, Communication, Communicative disorders, Diseases, Neurobiology, Neurolinguistics, Neurophysiology, Neurosciences, Physiological aspects, Physiological aspects of Communicative disorders

Pamela Grunwell has written:

'The analysis of phonological disability in children'

'Clinical phonology' -- subject(s): Comparative and general Grammar, Disorders of Speech, Language disorders, Phonetics, Phonology, Physiological aspects, Physiological aspects of Speech, Physiology, Speech, Speech disorders, Speech therapy, Speech therapy for children, Treatment

'Analyzing Cleft Palate Speech'