Table 1. Summary of behavioral results.

Condition	RT (ms)	ER (%)	d'	c
Left hemifield	1229±59	4.45±0.66	3.51±0.14	0.18±0.07
Right hemifield	1207±56	5.52±0.99	3.41±0.17	0.29±0.07
Easy Search	1090±59	2.60±0.38	3.90±0.07	0.19±0.06
Difficult Search	1352±58	7.36±1.24	3.12±0.20	0.28±0.07
Easy - left hemifield	1101±60	2.20±0.67	3.76±0.15	0.11±0.08
Easy - right hemifield	1076±56	3.01±0.74	3.59±0.10	0.27±0.07
Difficult - left hemifield	1364±61	6.70±1.27	3.03±0.19	0.25±0.07
Difficult - right hemifield	1339±58	8.03±1.34	2.92±0.16	0.32±0.09

Reaction times (RT), error rates (ER), target detection sensitivity (d') and the response criterion (c) for visual search in the left and right hemifield, comparison of easy and difficult search conditions and comparison of the behavioral data of the left and right hemifield during easy and difficult search conditions. Data shown ± standard errors.