Table 1.

Partial correlations between human performance and the performance of the three kinds of models investigated, on a trial-by-trial basis and with target load as the control variable. All models shown include a sampling rate of 12 Hz. Results were similar for all models investigated.

	Spatial SD 0.2°			Spatial SD 0.435°			Within human
	Spatial working memory	Kalman filter	50/50 prediction	Spatial working memory	Kalman filter	50/50 prediction
r	0.206	0.235	0.327	0.340	0.404	0.266	0.563
p	0.025	0.010	<0.001	<0.001	<0.001	0.003	<0.001