| spatial reference in a bonobo gesture. | great apes frequently produce gestures during social interactions to communicate in flexible, goal-directed ways [1-3], a feature with considerable relevance for the ongoing debate over the evolutionary origins of human language [1, 4]. but despite this shared feature with language, there has been a lack of evidence for semantic content in ape gestures. according to one authoritative view, ape gestures thus do not have any specific referential, iconic, or deictic content, a fundamental differenc ... | 2014 | 24998531 |