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apes track beliefs
(e.g. Krachun et al, 2009; Krupenye et al, 2017)
Premack & Woodruff, 1978 p. 515
apes track beliefs ∴ they are mindreaders ?
track | by representing |
toxicity | odour |
visibility | line-of-sight |
belief | ? |
Q1
How do observations about tracking support conclusions about representing models?
Q2
Why are there dissociations in nonhuman apes’, human infants’ and human adults’ performance on belief-tracking tasks?
second complication : dissociations in performance
‘the present evidence may constitute an implicit understanding of belief’
Krupenye et al, 2016 p. 113
study | type | success? |
Call et al, 1999 | object choice (coop) | fail |
Krachun et al, 2009 | ‘chimp chess’ (competitive, action) | fail |
Krachun et al, 2009 | ‘chimp chess’ (competitive, gaze) | pass A, fail B |
Krachun et al, 2010 | change of contents | fail |
Krupenye et al, 2017 | anticipatory looking (2 scenarios) | pass both |
Q1
How do observations about tracking support conclusions about representing models?
Q2
Why are there dissociations in nonhuman apes’, human infants’ and human adults’ performance on belief-tracking tasks?