Of course insights from drugs may not always be fully reliable, but what drug did you take, and did you try taking more?<p>Almost everything gets better with practice. Memorization experts have often used visio-spatial &#x27;memory palaces&#x27;, imaginary places they can fill with items to remember. Simply trying to use that technique might help build visual recall flexibility.<p>Perhaps it&#x27;d separately be worth trying a sensory-deprivation soak-tank?