Tom wrote: How should one express the memory and cognitive problems arising with CPAP use on one's PIP claim?
Welcome to the forum, you might want to have a look at the following FAQ which explain where everything is
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Explain your problems with examples relevant to the PIP activities, how often are you effected and for how long?
You need to be able to complete the PIP activities reliably and on the majority of days, these terms are explained in our PIP Claim guide.
Gordon