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Using Time-Varying Evidence to Test Models of Decision Dynamics: Bounded Diffusion vs. the Leaky Competing Accumulator Model.

Abstract:

When people make decisions, do they give equal weight to evidence arriving at different times? A recent study (Kiani et al., 2008) using brief motion pulses (superimposed on a random moving dot display) reported a primacy effect: pulses presented early in a motion observation period had a stronger impact than pulses presented later. This observation was interpreted as supporting the bounded diffusion (BD) model and ruling out models in which evidence accumulation is subject to leakage or deca...

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Publisher copy:
10.3389/fnins.2012.00079
Journal:
Frontiers in neuroscience More from this journal
Volume:
6
Pages:
79
Publication date:
2012-01-01
DOI:
EISSN:
1662-453X
ISSN:
1662-4548
Language:
English
Keywords:
Pubs id:
pubs:340076
UUID:
uuid:0a742966-5f08-4c8c-b9c1-18fe87070c4c
Local pid:
pubs:340076
Source identifiers:
340076
Deposit date:
2012-12-19

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