Catskie62 Asked March 2023
Functional cognitive disorder. Has anyone heard of this?
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I've seen the term 'high functioning dementia' in some posts so I googled it. What I found was something called functional cognitive disorder (FCD). Although similar to dementia, a totally different condition. Has anyone heard of this?
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Signs and symptoms vary, depending on the type of functional neurologic disorder, and may include specific patterns. Typically, this disorder affects your movement or your senses, such as the ability to walk, swallow, see or hear. Symptoms can vary in severity and may come and go or be persistent. However, you can't intentionally produce or control your symptoms.
The cause of functional neurologic disorder is unknown. The condition may be triggered by a neurological disorder or by a reaction to stress or psychological or physical trauma, but that's not always the case. Functional neurologic disorder is related to how the brain functions, rather than damage to the brain's structure (such as from a stroke, multiple sclerosis, infection or injury).Functional neurologic disorder — a newer and broader term that includes what some people call conversion disorder — features nervous system (neurological) symptoms that can't be explained by a neurological disease or other medical condition. However, the symptoms are real and cause significant distress or problems functioning.
Signs and symptoms vary, depending on the type of functional neurologic disorder, and may include specific patterns. Typically, this disorder affects your movement or your senses, such as the ability to walk, swallow, see or hear. Symptoms can vary in severity and may come and go or be persistent. However, you can't intentionally produce or control your symptoms.
The cause of functional neurologic disorder is unknown. The condition may be triggered by a neurological disorder or by a reaction to stress or psychological or physical trauma, but that's not always the case. Functional neurologic disorder is related to how the brain functions, rather than damage to the brain's structure (such as from a stroke, multiple sclerosis, infection or injury)."
Source: https://www.mayoclinic.org/diseases-conditions/conversion-disorder/symptoms-causes/syc-20355197
'Functional cognitive disorder (FCD) is an under-recognised condition that is different from dementia. In FCD, cognitive difficulties with memory and thinking – particularly when the person can't maintain attention – are down to a problem with how the brain is working, rather than to loss of brain cells'
I sometimes thing FCD is something that they throw at a thing they cannot diagnose. In talking at length with the neurologists about my brother's diagnosis of "Probably Early Lewy's Dementia" I learned that they diagnosed him ONLY by his own subjective and descriptive symptoms. No loss of white matter. No loss of grey. Just what he described.
Having mental illness in the extended family that is my experience with mental illness as well. When they trust that they can be honest with you (say you are in medical field ) they say things like "Welp. Here's how we diagnose bipolar. If lithium helps, it is. If it doesn't it isn't". Hee hee.
You have to love it. With Functional Cognitive I think you are coming down to "If the glove fits......" sort of thinking at times.
At 80 I realize just how long we have known of so many different kinds of dementia. We used to be down to just "senile". Then we got "Alzheimer's". And THEN, within only about a decade we got at least five or six distinctly different dementias related to small strokes or loss of white matter or loss of grey matter or or or or.