Task Co-Representation
Habitual Processes play a role in individual action. What, if anything, plays a corresponding role in joint action?
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Notes
‘The terms ‘task co-representation’ and ‘shared task representations’ refer to the idea that during joint task performance, each co-actor represents not only her own part, but also the part to be performed by the co-actor.’ (Atmaca, Sebanz, & Knoblich, 2011, p. 372)
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Glossary
co-representation : Two or more individuals co-represent something if they each individually represent it
and their representations are of the same kind (for example, they are both motor representations).
Co-representation is not metarepresentation: instead of representing another’s representation,
co-representation involves representing the thing represented.
habitual process : A process underpinning some instrumental actions which obeys
Thorndyke’s Law of Effect:
‘The presentation of an effective [=rewarding] outcome following an action [...] reinforces
a connection between the stimuli present when the action is performed and the action itself
so that subsequent presentations of these stimuli elicit the [...] action as a response’
(Dickinson, 1994, p. 48).
(Interesting complication which you can safely ignore: there is probably much more to say about
under what conditions the stimulus–action connection is strengthened; e.g. Thrailkill, Trask, Vidal, Alcalá, & Bouton, 2018.)
joint action : Many of the things we do are, or could be, done with others.
Mundane examples favoured by philosophers include painting a house together (Bratman, 1992),
lifting a heavy sofa together (Velleman, 1997),
preparing a hollandaise sauce together (Searle, 1990),
going to Chicago together (Kutz, 2000),
and walking together (Gilbert, 1990).
These examples are supposed to be paradigm cases of a class of phenomena we shall call ‘joint actions’.
Researchers have used a variety of labels including ‘joint action’ (Brooks, 1981; Sebanz, Bekkering, & Knoblich, 2006; Knoblich, Butterfill, & Sebanz, 2011; Tollefsen, 2005; Pettit & Schweikard, 2006; Carpenter, 2009; Pacherie, 2010; Brownell, 2011; Sacheli, Arcangeli, & Paulesu, 2018; Meyer, Wel, & Hunnius, 2013), ‘social action’ (Tuomela & Miller, 1985), ‘collective action’ (Searle, 1990; Gilbert, 2010), ‘joint activity’ (Baier, 1997), ‘acting together’ (Tuomela, 2000), ‘shared intentional activity’ (Bratman, 1997), ‘plural action’ (Schmid, 2008), ‘joint agency’ (Pacherie, 2013), ‘small scale shared agency’ (Bratman, 2014), ‘intentional joint action’ (Blomberg, 2016), ‘collective intentional behavior’ (Ludwig, 2016), and ‘collective activity’ (Longworth, 2019).
We leave open whether these are all labels for a single phenomenon or whether different researchers are targeting different things. As we use ‘joint action’, the term applies to everything any of these labels applies to.
Researchers have used a variety of labels including ‘joint action’ (Brooks, 1981; Sebanz, Bekkering, & Knoblich, 2006; Knoblich, Butterfill, & Sebanz, 2011; Tollefsen, 2005; Pettit & Schweikard, 2006; Carpenter, 2009; Pacherie, 2010; Brownell, 2011; Sacheli, Arcangeli, & Paulesu, 2018; Meyer, Wel, & Hunnius, 2013), ‘social action’ (Tuomela & Miller, 1985), ‘collective action’ (Searle, 1990; Gilbert, 2010), ‘joint activity’ (Baier, 1997), ‘acting together’ (Tuomela, 2000), ‘shared intentional activity’ (Bratman, 1997), ‘plural action’ (Schmid, 2008), ‘joint agency’ (Pacherie, 2013), ‘small scale shared agency’ (Bratman, 2014), ‘intentional joint action’ (Blomberg, 2016), ‘collective intentional behavior’ (Ludwig, 2016), and ‘collective activity’ (Longworth, 2019).
We leave open whether these are all labels for a single phenomenon or whether different researchers are targeting different things. As we use ‘joint action’, the term applies to everything any of these labels applies to.
task representation : A task representation links a representation of an event,
such as the timer’s ringing, and a motor representation that specifies an action,
such as taking the stew out of the oven, in such a way that if the event occurs,
the subject becomes disposed to prepare and perform the action represented.
(These are perhaps the same as the stimulus–action links involved in
habitual processes.)
References
Atmaca, S., Sebanz, N., & Knoblich, G. (2011). The joint flanker effect: Sharing tasks with real and imagined co-actors. Experimental Brain Research, 211(3–4), 371–385. https://doi.org/10.1007/s00221-011-2709-9
Baier, A. C. (1997). Doing Things With Others: The Mental Commons. In L. Alanen, S. Heinamaa, & T. Wallgren (Eds.), Commonality and particularity in ethics (pp. 15–44). Palgrave Macmillan. https://doi.org/10.1007/978-1-349-25602-0_2
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