Out of sight, out of mind. If I need to clean frequently, I have to keep cleaning supplies out, easy to access. Enter a room, see cleaning supplies, oh, I should clean. Without the visual reminder, won't remember.
Keep at least 2 to 3 notebooks on hand. Always writing stuff down. I'll research, be thinking about something, but brain starts to lose focus. Write it down. Will completely forget after that. But when thought enters brain later, oh wait, I made notes...
Notepad app on phone. Anything important, will forget, so need to record.
Dbt, cbt has helped. Brain tends to be scattered, all over the place, so daily mindfulness, grounding exercises to connect to moment.
Only able to process data rapidly, large scale, all data at once. So, books with large pages, lots of data broken down, grouped for rapid assimilation.
Routines are essential. Phone always in left pocket, keys in right pocket, etc. If I put keys somewhere else, I'll freak, panic. So routine, if I start to panic, look in usual spot, wait, they're where they're supposed to be.
If out in public, at a counter, take wallet out, lay on counter.... stare at wallet entire time, not breaking eye contact, or else I'll forget it's there.
Wallet attached via chain. Small compact umbrella so I can keep in pocket, otherwise will lose it. Carbiner attached to things so it's easier to hold, not lose.
Borderline schizoaffective, psychotic features. Constantly questioning sanity. Reality often surreal. Dbt, cbt has helped the most. If I practice mindfulness, grounding exercises daily.... when mind spirals, reality starts to explode, easier to come back, keeps me tethered.
Tho, once as kid, when I became convinced I might be a disembodied brain floating in a jar, started to seriously freak out. Came home in terrorized panic, flipping madly thru my bookshelf, and reading "summa theologica" finally made the panic stop.