Bridging the gap between physiology and behavior: evidence from the sSoTS model of human visual attention

Mavritsaki, Eirini, Heinke, Dietmar, Allen, Harriet A., Deco, Gustavo and Humphreys, Glyn W. (2011) Bridging the gap between physiology and behavior: evidence from the sSoTS model of human visual attention. Psychological Review, 118 (1). pp. 3-41. ISSN 1939-1471

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We present the case for a role of biologically plausible neural network modelling in bridging the gap between physiology and behavior. We argue that spiking level networks can allow ‘vertical’ translation between physiological properties of neural systems and emergent ‘whole system’ performance – enabling psychological results to be simulated from implemented networks, and also inferences to be made from simulations concerning processing at a neural level. These models also emphasise particular factors (e.g., the dynamics of performance in relation to real-time neuronal processing) that are not highlighted in other approaches and which can be tested empirically. We illustrate our argument from neural-level models that select stimuli by biased competition. We show that a model with biased competition dynamics can simulate data ranging from physiological studies of single cell activity (Study 1) to ‘whole system’ behavior in human visual search (Study 2), while also capturing effects at ‘intermediate level’, including performance break down after neural lesion (Study 3) and data from brain imaging (Study 4). We also show that, at each level of analysis novel predictions can be derived from the biologically plausible parameters adopted, which we proceed to test (Study 5). We argue that, at least for studying the dynamics of visual attention, the approach productively links single cell to psychological data.

Item Type: Article
Additional Information: This article may not exactly replicate the final version published in the APA journal. It is not the copy of record.
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Psychology
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Depositing User: Allen, Harriet
Date Deposited: 16 Mar 2016 08:21
Last Modified: 04 May 2020 20:23

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