This article requires a subscription to view the full text. If you have a subscription you may use the login form below to view the article. Access to this article can also be purchased.
Akinetopsia is a rare condition in which patients cannot perceive motion.1 Akinetopsia has occurred from bilateral cortical lesions involving the temporo-parieto-occipital junction.1,2 This report describes 2 patients with akinetopsia from neurodegenerative disease. They had double vision, and proved to have directional akinetopsia with persistence of successive stills from moving images as part of posterior cortical atrophy (PCA) or visual variant Alzheimer disease (AD).3,4
Case reports.
Case 1.
A 71-year-old right-handed woman had a 3-year progressive decline in the ability to visually localize objects. She could not find objects in her home, on countertops, in her wallet, or if dropped. She also had double vision. Leftward moving objects were perceived as 2 or more successive images occurring side by side. She did not have polyopsia on viewing static objects or on moving her eyes.
The patient also had a decline in recent memory, numerical ability, and instrumental activities of daily living. Past medical history included recent cataract surgery in an attempt to fix her visual problems, and her medications were donepezil and memantine.
On examination, she scored 21/30 on the Mini-Mental State Examination (MMSE). Language was fluent with good auditory comprehension, repetition, and naming. On a verbal learning task, the patient recalled 0/10 words after a …
AAN Members
We have changed the login procedure to improve access between AAN.com and the Neurology journals. If you are experiencing issues, please log out of AAN.com and clear history and cookies. (For instructions by browser, please click the instruction pages below). After clearing, choose preferred Journal and select login for AAN Members. You will be redirected to a login page where you can log in with your AAN ID number and password. When you are returned to the Journal, your name should appear at the top right of the page.
AAN Non-Member Subscribers
Purchase access
Letters: Rapid online correspondence
REQUIREMENTS
You must ensure that your Disclosures have been updated within the previous six months. Please go to our Submission Site to add or update your Disclosure information.
Your co-authors must send a completed Publishing Agreement Form to Neurology Staff (not necessary for the lead/corresponding author as the form below will suffice) before you upload your comment.
If you are responding to a comment that was written about an article you originally authored:
You (and co-authors) do not need to fill out forms or check disclosures as author forms are still valid
and apply to letter.
Submission specifications:
- Submissions must be < 200 words with < 5 references. Reference 1 must be the article on which you are commenting.
- Submissions should not have more than 5 authors. (Exception: original author replies can include all original authors of the article)
- Submit only on articles published within 6 months of issue date.
- Do not be redundant. Read any comments already posted on the article prior to submission.
- Submitted comments are subject to editing and editor review prior to posting.
You May Also be Interested in
Efficacy of Ubrogepant in the Acute Treatment of Migraine With Mild Pain vs Moderate or Severe Pain
Dr. Kathleen Digre and Dr. Kendra Pham