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akinetopsia
ICD-10 Codes
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Description
Akinetopsia: A Rare Visual Processing Disorder
Akinetopsia, also known as motion blindness or cerebral akinetopsia, is a rare and intriguing visual processing disorder that affects an individual's ability to perceive motion in their visual field. This condition is characterized by the inability to detect movement, causing moving objects to appear as if they are jumping from one stationary position to another.
Key Features of Akinetopsia
- Inability to detect motion: Patients with akinetopsia have difficulty perceiving motion in their visual field, despite being able to see stationary objects without issue [1].
- Visual processing disorder: Akinetopsia is a neuropsychological disorder that affects the brain's ability to process visual information related to motion [3].
- Rare condition: Akinetopsia is an extremely rare condition, with only a few documented cases in medical literature [5].
Causes and Consequences of Akinetopsia
- Damage to specific areas of the brain: Akinetopsia often results from damage to specific areas of the brain responsible for visual processing, such as the extrastriate cortex [8].
- Increased risk of accidents: Patients with akinetopsia are prone to accidents due to their difficulty in perceiving motion, which can lead to confusion and bumping into objects [9].
References
[1] Akinetopsia refers to an inability to detect motion, causing moving objects to appear as if they are jumping from one stationary position to another. (Search result 1) [3] Akinetopsia, or motion blindness, affects a person's ability to detect objects in motion. (Search result 3) [5] by N Otsuka-Hirota · 2014 · Cited by 6 — Motion blindness, which is also called akinetopsia, has only been described in a very few cases in which patients could not see the movement of ... (Search result 5) [8] by VS Pelak · 2005 · Cited by 15 — Background: Symptomatic cerebral akinetopsia is defined as the conscious loss of visual motion perception due to extrastriate cortical lesions. (Search result 8) [9] Nov 28, 2022 — Akinetopsia patients are prone to accidents because they frequently bump against objects, become confused about how objects are moved, struggle ... (Search result 9)
Additional Characteristics
- A rare and intriguing visual processing disorder
- Inability to detect movement in the visual field
- Difficulty perceiving motion, despite being able to see stationary objects
- Neuropsychological disorder affecting the brain's ability to process visual information related to motion
- Rare condition with only a few documented cases in medical literature
- Results from damage to specific areas of the brain responsible for visual processing
- Increased risk of accidents due to difficulty perceiving motion
Signs and Symptoms
Understanding Akinetopsia: Signs and Symptoms
Akinetopsia is a rare neurological disorder that affects an individual's ability to perceive motion. The symptoms of akinetopsia can vary in severity, but they generally involve difficulty or inability to detect movement in visual stimuli.
- Inability to Perceive Motion: One of the primary signs of akinetopsia is the inability to recognize or perceive motion in moving objects [2]. This can manifest as stationary objects appearing normal, while moving objects appear to be jumping from one position to another.
- Stroboscopic Vision: Some individuals with akinetopsia may experience stroboscopic vision, where objects appear to be flashing or flickering instead of moving smoothly [2].
- Difficulty Tracking Moving Objects: People with akinetopsia often struggle to track the movement of objects, making it challenging to follow their trajectory [7].
- Impaired Motion Perception: Akinetopsia can also lead to impaired motion perception, where individuals have difficulty recognizing or understanding the concept of motion [7].
It's essential to note that these symptoms can vary in severity and may not be present in all cases of akinetopsia. If you suspect someone has this condition, it's crucial to consult with a medical professional for an accurate diagnosis and proper treatment.
References: [1] - Not applicable (no relevant information found) [2] - Oct 18, 2024 — Symptoms of Akinetopsia [3] - Akinetopsia refers to an inability to detect motion, causing moving objects to appear as if they are jumping from one stationary position to another. [7] - Feb 20, 2024 — What Are the Symptoms of Akinetopsia?
Additional Symptoms
- Inability to Perceive Motion
- Stroboscopic Vision
- Difficulty Tracking Moving Objects
- Impaired Motion Perception
Diagnostic Tests
Diagnostic Tests for Akinetopsia
Akinetopsia, also known as motion blindness, is a rare condition where individuals are unable to perceive motion. Diagnosing this condition requires a comprehensive approach that involves both clinical evaluation and specialized tests.
- Neuro-ophthalmic examination: This is the primary method of diagnosing akinetopsia. A neuro-ophthalmologist will conduct a thorough examination, including a review of the patient's medical history, to rule out other conditions that may be causing the symptoms.
- Simple tests: These tests are used to assess an individual's ability to perceive motion. They may include:
- Visual object and space perception battery
- Cookie theft picture test of the Boston diagnostic aphasia examination
- Metric tests: These tests provide a more objective measure of motion perception. Examples include:
- Visual object and space perception battery
- Cookie theft picture test of the Boston diagnostic aphasia examination
- Neuroimaging studies: In some cases, neuroimaging studies such as cranial computed tomography (CT) or magnetic resonance imaging (MRI) scans may be ordered to rule out other conditions that may be causing the symptoms.
It's worth noting that genetic tests for akinetopsia are available, but they should only be used in research settings and not for diagnostic purposes.
Additional Diagnostic Tests
- Neuro-ophthalmic examination
Treatment
Current Status of Drug Treatment for Akinetopsia
Akinetopsia, a rare condition characterized by a lack of visual motion perception, poses significant challenges in terms of treatment. Unfortunately, there is no identified cure or effective treatment for this condition at present.
- No approved medications: As per the current medical understanding, no medications have been approved for the treatment of akinetopsia [1][4][5].
- Limited therapeutic options: The available literature suggests that antiepileptic drugs, such as valproate and levetiracetam, may not be effective in treating akinetopsia [2]. In some cases, carbamazepine has been found to suppress the akinetopsic symptom completely, but this is an isolated instance [8].
- No suitable treatments: Currently, managing Akinetopsia is challenging, since there are no suitable treatments (such as medications) available for the same [9].
Triggering factors
It's worth noting that certain antidepressants can trigger inconspicuous akinetopsia in some individuals. High doses of these medications may lead to a temporary loss of visual motion perception, which returns to normal once the medication is discontinued or reduced [10].
In summary, while there are no established treatments for akinetopsia, ongoing research and clinical studies may shed more light on potential therapeutic options in the future.
References: [1] There is no identified cure or effective treatment for the condition at this time. No medications have been approved for the treatment of akinetopsia. [2] by K Sakurai · 2013 · Cited by 9 — The visual symptom was diagnosed as an epileptic seizure, and treatment with antiepileptic drugs was started. However, valproate and levetiracetam failed to ... [4] There is no identified cure or effective treatment for the condition at this time. No medications have been approved for the treatment of akinetopsia. [5] Oct 18, 2024 — Akinetopsia is challenging to treat because it's rare, and much about it remains unknown. There are no medications approved to treat akinetopsia ... [8] by K Sakurai · 2013 · Cited by 9 — We administered carbamazepine 200 mg/day, which suppressed his akinetopsic symptom completely. The right temporal spikes on EEG had disappeared. [9] Feb 14, 2021 — Currently, managing Akinetopsia is challenging, since there are no suitable treatments (such as medications) available for the same. [10] Antidepressants. Inconspicuous akinetopsia can be triggered by high doses of certain antidepressants with vision returning to normal once the ...
Recommended Medications
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Differential Diagnosis
Akinetopsia, also known as motion blindness, is a rare neurological disorder characterized by an inability to perceive motion in one's visual field.
Possible Causes:
- Brain Damage: Akinetopsia has been linked to damage to
Additional Differential Diagnoses
- akinetopsia
- Motion Blindness
Additional Information
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- An agnosia that is a loss of motion perception.
- core#notation
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- akinetopsia
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It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with questions about your medical condition.