Parr, T;
Friston, KJ;
(2019)
Attention or salience?
Current Opinion in Psychology
, 29
pp. 1-5.
10.1016/j.copsyc.2018.10.006.
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Abstract
While attention is widely recognised as central to perception, the term is often used to mean very different things. Prominent theories of attention – notably the premotor theory – relate it to planned or executed eye movements. This contrasts with the notion of attention as a gain control process that weights the information carried by different sensory channels. We draw upon recent advances in theoretical neurobiology to argue for a distinction between attentional gain mechanisms and salience attribution. The former depends upon estimating the precision of sensory data, while the latter is a consequence of the need to actively engage with the sensorium. Having established this distinction, we consider the intimate relationship between attention and salience.
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