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The patient can understand speech, but cannot produce it.
The patient had disordered speech comprehension, and when speaking, often produces neologisms and paraphasias.
The patient has good visual acuity, but following a stroke no longer sees color.
The patient has good visual acuity, but does not see moving visual stimuli.
The patient fails all of the usual visual acuity tests, but when forced to guess, is surprisingly accurate identifying simple visual stimuli.
The patient has good visual acuity, but cannot use visual information to guide reaching behavior and has poor control of eye movements.
While vision is otherwise normal, the patient cannot recognize faces by sight, even his/her own face in the mirror.
The patient can identify small, isolated visual stimuli, but cannot recognize even common objects by sight.
Though memory of earlier events is normal, the patient cannot form new long term memories since his/her accident.
Memory performance is poor, and often the patient confabulates details to fill in memory gaps.
Testing of the senses suggests the patient's abilities are relatively normal, but the patient ignores the entire left half of space.
The patient is immodest, emotional, disinhibited, and has difficulty categorizing information and making plans.
The patient is placid and shows little fear of dangerous situations, is hypersexual, and curious about everything.
Since his/her mid 30s, the patient has progressively lost motor function and often engages in uncontrollable dance-like movements.
Since his/her mid 60s, the patient has progressively lost motor function, showing resting tremor, rigidity, and difficulty initiating movement.
The patient sees colors when hearing music, in addition to hearing the music normally.
Following amputation of the right leg below the knee, the patient experiences the leg as still being present, often with painful sensations.
The patient insists that his/her spouse is an imposter - the spouse looks the same, but isn't the real spouse.
Based on all visual testing, the patient is unquestionably blind, but the patient insists he/she can see perfectly fine.
The patient understands the meaning of anatomical words, but when asked to 'point to your left knee' or 'point to your right elbow' cannot.
