After shaking hands with a stranger, human volunteers often subliminally bring their hand to their nose and sniff it, possibly to collect important olfactory information.
Raffaele Tucciarelli, Moritz Wurm ... Angelika Lingnau
Representational similarity analysis of human functional magnetic resonance imaging data demonstrates that the lateral occipitotemporal cortex represents action knowledge along dimensions that are in accordance with behavioural judgements.