Dr Bakai Sees a Patient in Her Clinic Who Complains

Dr. Bakai sees a patient in her clinic who complains of a severe headache. When asked to describe her friend's face, she claims that all she can see is a pattern of wallpaper where her friend's head should be. Which of the following might Dr. Bakai consider in making her diagnosis?

A) A problem with the patient's photoreceptors
B) A problem with the patient's retinal ganglion cells
C) A problem with the patient's lateral geniculate nucleus
D) A problem with the patient's simple cells in visual cortex
E) A problem with the patient's complex cells in visual cortex