Mirror agnosia is the inability to differentiate
between real and reflected objects, to mentally rotate objects, and to
perform line orientation tasks.
results from lesions of either parietal lobe near
the posterior angular gyrus/superior temporal gyrus (the
temporo-parieto-occipital) junction, and affects both sides of the
Patients with mirror agnosia are aware of the
mirror, but cannot correct their behavior even after they have been
shown that the real location of the object; they always believe the
object to be behind or in the mirror itself and reach for it
Retinotopic and body-centered coordinate mapping
controlled by the parietal lobe is thought to be the underlying cause
of this disorder.