This paper reviews the biological origins of the critical period hypothesis and the neurophysiological evidence which was initially supplied in support of a critical period for the acquisition of language. Noting the inconclusive nature of neurophysiological evidence, the author suggests that we look to the interplay of affective and cognitive…

Seven papers are provided. Mary Rainey's paper, "Style Switching in a Head Start Class," considers speech styles used in the classroom. "Language Acquisition in the Deaf: Some Suggestions for Inclusion in the Field Manual," by Carol Pfuderer, suggests areas of psycholinguistic and sociolinguistic research relevant to the exploration of deaf…

A study was conducted of the capacity of sixth-grade children to communicate accurately paralinguistic affect. A dependent measure indicating the accuracy of paralinguistic communication of affect was obtained by comparing the level of affect which children intended to encode with ratings of vocal inflections from adult judges. Four independent…