Introduction to Psychology
Psy101 People

Back to the chronology

Endel Tulving

Estonian-Canadian experimental psychologist of memory

1927 to 2023. Born in Estonia. Chronology section: Born 1920 to 1949.

Memory

Estonian-born Canadian psychologist at the University of Toronto. He distinguished episodic from semantic memory in 1972 and, with Donald Thomson, described the encoding specificity principle in 1973.

Why this person matters

Tulving's distinctions gave memory researchers vocabulary for personal remembering versus general knowledge and for the role of retrieval cues. His case studies of amnesia, including patient K.C., and his collaborators shaped later work on memory and consciousness.

Main contributions

  1. Episodic and semantic memory

    Introduced in a 1972 book chapter. Episodic memory covers personal past events; semantic memory covers facts about the world. He developed the idea further in Elements of Episodic Memory (1983).

  2. Encoding specificity

    With Donald Thomson (1973), he argued that retrieval cues work best when they overlap with the context in which an item was encoded.

  3. Autonoetic consciousness

    He called the ability to experience oneself in time autonoetic consciousness and described remembering the past as mental time travel. The amnesic patient K.C., whose semantic memory was relatively normal but whose episodic memory was severely impaired, figured in this work.

Context and limits

Whether implicit and explicit memory reflect separate brain systems, as Tulving argued, or different processes within one system was debated in the 1980s and 1990s, and later theorists have adopted elements of both views. His account of episodic memory as mental time travel is his own proposal and remains under discussion.

In your introductory course

Memory.Appears in the memory chapter in the types of long-term memory (episodic and semantic) and in discussion of retrieval cues.

Related course reading: Psychology 2e, section 8.1. This is course context rather than a biographical source.

Years of active work

  1. 1956

    Became a lecturer at the University of Toronto.

  2. 1972

    Published the episodic and semantic memory distinction.

  3. 1973

    Published the encoding specificity principle with Donald Thomson.

  4. 1983

    Published Elements of Episodic Memory.

  5. 1992

    Joined the Rotman Research Institute at Baycrest as the first Tanenbaum Chair in Cognitive Neuroscience.

Sources