Ontology highlight
ABSTRACT:
SUBMITTER: Gonseth C
PROVIDER: S-EPMC5719372 | biostudies-literature | 2017 Nov
REPOSITORIES: biostudies-literature
Biology letters 20171101 11
Referential signals, such as manual pointing or deictic words, allow individuals to efficiently locate a specific entity in the environment, using distance-specific linguistic and/or gestural units. To explore the evolutionary prerequisites of such deictic ability, the present study investigates the ability of chimpanzees to adjust their communicative signals to the distance of a referent. A food-request paradigm in which the chimpanzees had to request a close or distant piece of food on a table ...[more]