r/SDAM↗
Severely Deficient Autobiographical Memory
Severely Deficient Autobiographical Memory (SDAM) refers to a lifelong inability to vividly recollect or re-experience personal past events from a first-person perspective. Many people who have r/Aphantasia have SDAM.
14k subscribers51 posts / mo in Sep 202641 authors / mosince 2017
r/SDAM has 14k members (+28% over the last 12 months). It gets about 51 posts a month from 41 people. Top topics: Digital Journaling Apps, Reading Challenges & Series and Job Interviews.
When to post on r/SDAM
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How r/SDAM has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/SDAM
Top topics
Share of the subreddit's posts
- Digital Journaling Apps0.2%
- Reading Challenges & Series0.2%
- Job Interviews0.2%
- Journaling Tips and Starters0.2%
- Pet Grief Support0.1%
Brands people mention
Most-mentioned brands and sites, last 12 months
- WIRED
- Weebly
- Medium
- ScienceDirect
- Doi
Everything else about r/SDAM
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research