Mnemosyne (software)

Mnemosyne (named for the Greek goddess of memory, Mnemosyne) is a line of spaced repetition software developed since 2003. Spaced repetition is an evidence-based learning technique that has been shown to increase the rate of memorization.[2]

Mnemosyne
Developer(s)Peter Bienstman
Initial releaseFebruary 8, 2006 (2006-02-08)
Stable release
2.10.1 / February 6, 2023 (2023-02-06)[1]
Repository
Written inPython
Operating systemWindows, Linux, macOS, Android
Size119.3 MB
TypeAccelerated Learning & Memory Software
LicenseAGPL v3 (except sync client), LGPL v3 (sync client)
Websitemnemosyne-proj.org

Features
  • Spacing algorithm based on an early version of the SuperMemo algorithm, SM-2,[3] with some modifications that deal with early and late repetitions.[4]
  • Supports pictures, sound, video, HTML, Flash and LaTeX
  • Portable (can be installed on a USB stick)
  • Categorization of cards
  • Learning progress statistics
  • Stores learning data (represented as decks of cards that each have a question and an answer side) in ".mem" database files, which are interoperable with a number of other spaced repetition applications
  • Plugins and JavaScript support
  • Review cards on Android devices.
  • Synchronization between other machines

Overview

Each day, the software displays each card that is scheduled for repetition. The user then grades their recollection of the card's answer on a scale of 0–5. The software then schedules the next repetition of the card in accordance with the user's rating of that particular card and the database of cards as a whole. This produces an active, rather than passive, review process. The rationale behind this approach is that (because of the spacing effect), over time, the number of repetitions done per day is reduced, increasing the rate of recall (when compared to passive learning techniques), with minimal time spent learning.

Software

Mnemosyne is written in Python, which allows its use on Microsoft Windows, Linux, and Mac OS X. A client program for review on Android devices is also available but needs to be synchronized by the desktop program. Users of the software usually make their own database of cards, although pre-made Mnemosyne databases are available, and it is possible to import SuperMemo collections and text files. SQLite is used by the program to store files. Imports of flashcard databases from Anki, as well as databases from older versions of Mnemosyne are possible.

Research

Mnemosyne collects data from volunteering users and is a research project on long-term memory.[5]

An August 2009 version of the dataset was made available via BitTorrent;[6] a January 2014 version is available for download.[7] Otherwise, the latest version is available from the author, Peter Bienstman, upon request.[8]

See also

References
  1. "What's new | The Mnemosyne Project". Retrieved 8 March 2023.
  2. Smolen, Paul; Zhang, Yili; Byrne, John H. (25 January 2016). "The right time to learn: mechanisms and optimization of spaced learning". Nature Reviews Neuroscience. 17 (2): 77–88. arXiv:1606.08370. Bibcode:2016arXiv160608370S. doi:10.1038/nrn.2015.18. PMC 5126970. PMID 26806627.
  3. SM-2 Optimization of learning, Master's Thesis, University of Technology in Poznan, 1990 and adapted for publishing as an independent article on the web. (P.A.Wozniak, May 10, 1998)
  4. "Principles", The Mnemosyne Project, retrieved June 3rd, 2008
  5. "Principles | the Mnemosyne Project".
  6. Announcement; torrent index.
  7. "Mnemosyne-proj-users - Google Groups".
  8. "Downloading all user statistics".
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