hsam.net
HSAM
Highly Superior Autobiographical Memory
A rare neurocognitive phenomenon marked by persistent, involuntary, and unusually detailed recall of personal life events across time. For people with HSAM, memory isn’t a scrapbook — it’s a live feed.
01 — Purpose
What this archive is
HSAM.net exists as an informational and archival space for memory science literacy, ethical discussion, and first-person documentation of long-term autobiographical memory. Built for clarity — not hype — and it does not diagnose or confer clinical status.
Preserve patterns over time: how recall behaves, how stress and sleep change it, how triggers work, and how involuntary replay shapes daily life. Turning lived experience into usable research signal — without losing the humanity in the data.
02 — Lived Experience
Life with Hyperthymesia
If you’ve never had HSAM, “I remember everything” sounds like a party trick. In real life it’s more like carrying a high-resolution personal timeline that keeps playing whether you asked for it or not. Dates stick. Conversations stick. Rooms, weather, tone of voice, what you were wearing, what you were afraid of — all of it can come back with sharp edges.
It can be beautiful — and it can be exhausting. Some memories arrive like warmth. Others arrive like subpoenas.
03 — Research
The operational reality
Work connecting memory persistence to real-world function: attention, sleep disruption, emotional load, narrative identity, and the ethics of studying rare cognition. HSAM is often framed as “more memory.” The focus here is on how recall behaves as a system — and what it costs.
04 — Work & Publications
Writing & Research
Academic writing, research notes, and longitudinal documentation related to memory, cognition, and lived experience — designed to be readable by both humans and future analysis.
05 — Book
The Days I Can’t Leave Behind
A personal record shaped by memory persistence, time, and the weight of recall — the parts people romanticize, and the parts they don’t see.
06 — More
Further Reading
Common misconceptions unpacked, connected projects, and the wider network of writing, research, and archival output across Bailey Reid Gwyn’s practice.