Figure 3.

BE Drawing Task

(A) The left panel displays the three scene stimuli. Each scene photograph was surrounded by a 6 × 6 inch black border and was studied for 15 s and immediately drawn from memory in a 6 × 6 inch response square. Example drawings by a patient and her two matched control participants are displayed in the middle and left panels. In both control participants' drawings, more background is clearly depicted than was present in the original stimuli. This represents greater BE and was quantified in terms of a percentage area decrease in object size (calculated by tracing along the outer borders of the objects using Adobe Photoshop C54 and measuring the area in pixels) in the remembered relative to the original object size.

(B) Overall, patients showed significantly less boundary extension than control participants. Data are presented as means ± 1 SEM; ^∗p < 0.05. See also Figure S4.