1915 Mental Development Chart

This medical text from 1915 shows the different steps in mental development. MORON WORK REQUIRING REASON & JUDGMENT HIGH GRADE IMBECILE COMPLEX MANUAL WORK MEDIUM IMBECILE SIMPLE MANUAL WORK LOW GRADE IMBECILE SIMPLE MENIAL WORK IDIOT SELF PRESERVATION STEPS IN MENTAL DE- VELOPMENT. Where they were stumble—the limit of development of each type. (Reprinted from the sur- vey of Oct. 11-13.)

A vintage 1915 medical chart depicts figures climbing steps labeled with outdated classifications such as “IDIOT,” “IMBECILE,” and “MORON,” alongside supposed levels of work and mental development. The humor comes from the uploader’s self-deprecating caption “I'm a moron,” applying the offensive historical label to themselves as an ironic reaction to the absurd chart. EN: A vintage 1915 medical chart depicts figures climbing steps labeled with outdated classifications such as “IDIOT,” “IMBECILE,” and “MORON,” alongside supposed levels of work and mental development. The humor comes from the uploader’s self-deprecating caption “I'm a moron,” applying the offensive historical label to themselves as an ironic reaction to the absurd chart.

• @antichirst / 22819 2026-07-22