Table 2.

Model Variables.

Variable	Description	Equation
v	Utility for storing item in WM	(1, 2)
X	Associative WM weights	(2, 10)
s	Stimulus vector	(1, 10)
p	Model-generated predictions	(3, 4, 6)
P	Matricized predictions (p)	(5)
W	Associated response weights	(3, 5, 7, 9)
r	Working memory representation	(3, 7, 8, 9)
e	Error	(6, 7, 8)
o	Observed response-outcome vector	(6, 8)
eWM	Backpropagated working memory error	(9, 10)