Dementia with Unusual Symptoms
In some cases of progressive supranuclear palsy (PSP), individuals may experience atypical symptoms, such as primary akinesia or a presentation resembling Alzheimer’s disease.
Primary akinesia is a rare symptom exhibited by a small percentage of people with PSP. Those affected walk with hesitant and jerking motions, often needing to come to a complete stop before turning. Additionally, their speech may be slurred, and they may use words that do not make contextual sense.
On the other hand, a less common presentation of PSP mimics the symptoms of Alzheimer’s disease. In this case, individuals with PSP do not encounter any movement-related issues or loss of motor skills.
Disease Progression
As supranuclear palsy progresses, it gives rise to cognitive impairments which result in behavioral difficulties. Over time, individuals gradually lose their ability to plan and solve problems. The abnormal eye movements associated with this condition worsen, eventually rendering voluntary motions impossible. Reading becomes a challenge as the ability to focus and follow lines of text diminishes. Additionally, opening and closing the eyes becomes problematic, resulting in infrequent blinking, and the eyelids may start to retract from the eyes. Eyesight deteriorates, leading to blurry vision, heightened sensitivity to light, and ultimately, blindness.