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Do you arbitrarily decide on what to define the activity, and what to define as the underlying actions? As Christian stated in his answer, there seem to be no concrete (unambiguous) steps to follow. This most likely has to do with Activity Theory being a 'framework for analysis' rather than a theory in the traditional scientific sense. It thus highly ...


5

I don't have a complete answer, but I'll add on to Christian's comment. I'm not really familiar with an evolutionary account of facial expressions, but folks like Adam K. Anderson have implied that the original use of facial features for sensory sampling have been co-opted for social use (e.g., to indicate attention, which Christian pointed out, or affect, ...


6

Eye contact is one of the principal cues humans use to evaluate where other people direct their attention. A special issue on the use of eye tracking in the Infancy journal and other studies reported that infants' eyes are useful measures of attention over a range of task domains including object perception (Johnson, Slemmer, & Amso, 2004), faces (Hunnis ...


3

I think the confusion arises because the hierarchy of "activity" as described in that figure exist in the context of an ontology that is closer to dynamical perception-action cycles than to the evolutionary information processing ontology typically used in cognitivist approaches. The world is structured; it comprises discrete objectively existing ...



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