Linguistics and language behavior abstracts (LLBA) Linguistics and Language Behavior Abstracts covers three fundamental areas: research in linguistics (the nature and structure of human speech); research in language (speech sounds, sentence and word structure, meaning in language forms, spelling, phonetics); and research in speech, language and hearing pathology. Material indexed in this database will be useful in research on Anthropology; Artificial Intelligence; Communications; Education; Language; Linguistics; Neurology; Psychology.