One of a regular series on the status and progress of studies into the nature of speech, instrumentation for its investigation, and practical applications of research, this report covers the period of January 1 to March 31, 1982. The 13 studies deal with the following topics: (1) speech perception and memory coding in relation to reading ability, (2) the use of orthographic structure by deaf adults, (3) information support for speech, (4) the stream of speech, (5) using the acoustic signal to make inferences about place and duration of tongue-palate contact, (6) the patterns of human interlimb coordination that have emerged from the properties of nonlinear limit cycle oscillatory processes, (7) motor control, (8) the nature of motor control in Down's syndrome, (9) periodicity and auditory memory, (10) reading skill and language skill, (11) the role of sign order and morphological structure in memory for American Sign Language sentences, (12) perception of nasal consonants with special reference to Catalan, and (13) speech production characteristics of the hearing impaired. (FL)