Akinetopsia, or motion blindness is a rare neurological disease in which the patient cannot perceive motion. He or she can see stationary objects without issue but the world is devoid of motion. Most of what is known about of akinetopsia comes from the case study of LM. Patients with Alzheimers disease may also have varying degrees of akinetopsia.
LM has reported having trouble pouring a cup of tea or coffee, because the fluid appears to be frozen and she does not know when to stop pouring because she does not see the fluid rising. It is also difficult for her to follow conversations, because she cannot see lip movement or change in facial expressions. She also gets nervous when people are walking around in the room because she never sees them move and therefore suddenly sees them at another place of the room. In addition, it is difficult for her to cross a street, because she cannot estimate the speed of cars. However, she can still hear well and can use her hearing to estimate distance.
7 Comments
Book
9/9/2011 02:17:22 am
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Book
9/9/2011 02:18:16 am
Is this the same condition as seeing the world as a series of photos like a filmroll, instead of seeing motion?
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Mr Hansson
9/12/2011 03:23:53 pm
Hi Book, sorry for my late reply. Yes, I think it is the same condition.
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Book
9/13/2011 01:13:32 am
Thanks for the reply Mr. Hansson.
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Mr Hansson
9/14/2011 05:39:21 pm
This I cannot answer. You mean all the rest of us with fully functioning brain. I guess that if we assume that the mind works as a computer (information processing model) it is possible that the information reaching us from the environment is discontinuous and not continuous, but I think that you better ask your professors about this, because I do not know.
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Adrian
11/5/2011 05:11:47 am
Hi Mr Hansson
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Mr Hansson
11/5/2011 04:44:29 pm
Adrian, I am happy to answer your question from what I know. Unfortunately I don't know so much about this thing. I think that they don't see movement at all, only snapshots of reality. They talk about the disorder in the documentary the brain story. Maybe you can look there. It starts around 3:20 into the clip:
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AuthorThis is my class blog for IB Psychology. Here I will publish reflections on psychology, reviews of psychology books, recommended links, lecture notes, and information on psychology topics that are not covered by the syllabus. You are free to add comments or ask me questions. Archives
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