Definition of "psycholinguistics"

Psycholinguistics began with attempts to test the empirical validity of various formal linguistic concepts.

1975, [Lawrence Erlbaum], Sam Glucksberg, Joseph H. Danks, Experimental Psycholinguistics: An Introduction, Psychology Press, published 2014, page xi

Speech-gesture research is one of the emerging fields in psycholinguistics that, by referring to speech-accompanying gestures, attempts to elucidate the underlying process in which qualitatively different types of thinking, e.g. imagistic thinking and linguistic thinking, become coordinated with one another.

2006, Nobuhiro Furuyama, 44: Language and gesture as a single communicative system, Mineharu Nakayama, Reiko Mazuka, Yasuhiro Shirai, Ping Li (editors), The Handbook of East Asian Psycholinguistics, Volume 2: Japanese, Cambridge University Press, page 333

The seeds for work on processing have their roots in early L2 research, but the psycholinguistics of SLA didn't really take off until the 1990s.

2014, Jill Jegerski, Bill VanPatten, Research Methods in Second Language Psycholinguistics‎, Taylor & Francis (Routledge), page ix