Hippocampus — Equations

Equation 1: Recall Integrity Score#

$$ RIS = \frac{A_c + N_c}{T_i} $$

Variables:

• ( A_c ) — count of accurate factual recalls
• ( N_c ) — count of correctly recalled narrative elements
• ( T_i ) — total recall items tested

Context: Measures combined factual and narrative recall success.

Narrative hook: A measure of how faithfully the mind’s archive returns both fact and story.