Table B1. Nomenclature.

Reference table for the notation used in the technical specifications.

Indices
$i$	trial
$j$	dimension
$h$	feature
$n$	exemplar
$t$	within-trial timestep
$c$	category label
Task Environment
$D$	number of dimensions per stimulus
$C$	number of possible category labels
$𝒮$	set of dimensions at spatial location
Common Elements
$e$	true stimulus representation
$x$	episodic memory trace
$f$	feedback
$m$	exemplar memory strength
$\alpha$	between-trial attention weight
$a$	exemplar activation
$V$	category evidence
$N$	number of exemplars stored
$H$	number of observed features
Additional Within-Trial Elements
$e*$	working stimulus representation
$\alpha *$	within-trial attention weight
$m*$	exemplar dimension encoding
$r$	imputed feature value
$z$	imputed feature activation
$g$	within-trial gradient update value
$L$	dimension fixation prediction (True/False)
$Q$	feature encoding status (True/False)