Psychology 345 Human Neuropsychology Today’s Agenda Attendance About me Section Guide About you In-class activity: Oliver Sacks group project For Your Case Presentation… A brief description of the patient What functions are impaired in this patient? What functions are spared in this patient? Case #1: The Man Who Mistook His Wife For a Hat Agnosia (not) (knowing) ?? Note: “seeing” vs. “knowing” Case #1 continued… Prosopagnosia: agnosia for…”prosop” which is…? ?? Note (again): “seeing” vs. “knowing” Case #1 continued… Integrative visual agnosia: Can see, but don’t “know” Difficulty integrating “normally” perceived parts into wholes Knowledge about the object can be accessed via other modalities (e.g., olfaction) Case #2: Eyes Right! Hemineglect: 1 2 3 4 5 6 7 please read off the numbers on the bar. Note: “seeing” vs. “attending” 4..5.. 6..7 Case #2 continued… Hemineglect: A syndrome in which an individual ignores/does not pay attention to one side of space Often involves inattention to stimuli in all sensory modalities Case #3: The Lost Mariner Korsakoff’s Amnesia: Caused by chronic alcoholism and poor diet Temporally graded retrograde amnesia (time) (sloped…backwards) (can’t remember) Anterograde amnesia (forward) ? Doesn’t confabulate (make things up to fill in memory gaps) Case #4: The Man Who Fell Out of Bed no idea! it’s awful! not mine! whose leg is that with the ring on it? Note: “seeing” vs. “feeling” Somatoparaphrenia (body) (beyond) (mental disorder) Denial of ownership of a limb Often claim that limb belongs to someone else Misoplegia (hatred) (paralysis) Intense dislike for neglected side of body Calling the limb unpleasant names Anosognosia (not) (disease) (knowing) Unawareness and denial of illness Case #4 Continued Case #5: A Matter of Identity Another case of Korsakoff’s Amnesia: Confabulation Retrograde amnesia Next Week! Section will NOT be in regular room: Meet in B254 East Hall Check lecture syllabus for readings!