Subliminal Perception as a Sensory Psychologist Sees It

John H. Krantz, Hanover College

Sections

• Outline
• Background
• Measuring
• What is it?
• Confusion
• Visual System
• Evidence
• Conclusion
• References

Hanover College
Psychology Department

Using the Media

Objective vs. Subjective Thresholds

• Our old friend thresholds
• An example from the Human Factors Field

CRT in the dark

CRT in 1000 fC Illumination

CRT in 10,000 fC Illumination

• Tests used to develop automatic adjustment for cockpit displays (Silverstein & Merrifield, 1985)

• Pilots adjust luminance up from necessary level.  Not change performance but comfort.

• So, is difference between Forced-Choice and Method of Constant Stimuli thresholds awareness or comfort?

• Return

John H. Krantz, Ph.D. Hanover College, krantzj@hanover.edu