Paul Ekman and the search for the isolated face in the 1960s.
Level 5 - mechanism / opinion, no new human data
Historical essay without empirical or clinical human data (level by design analogy)
PubMed 39252515 · doi:10.1002/jhbs.22322
What was done
This historical essay analyzes the methodological approach used by psychologist Paul Ekman in the 1960s to isolate facial expressions from their context. It tracks his work from the Langley Porter Neuropsychiatric Institute to fieldwork in New Guinea, examining his interactions and collaborations with Charles E. Osgood, D. Carleton Gajdusek, and E. Richard Sorenson within the political and scientific climate of his early career.
What was found
The abstract reports no numerical or quantitative findings. It presents a historical analysis showing how differing views of the human face shaped study designs: one framework examined expressions during reciprocal interpersonal communication, while Ekman's approach isolated facial movements as reflections of an individual's internal emotional state.
Why it matters
The paper contextualizes the historical development and early methodological debates underlying universal facial expression research.
Limits
This is a historical and theoretical essay, not an empirical study or systematic review. The abstract provides no quantitative data, sample sizes, or formal statistical measurements.
Cited by
- supports Paul Ekman proposed six basic universal emotions recognized across cultures from facial expressions: happiness, surprise, fear, anger, disgust, and sadness.