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

Event Related Potentials (ERPs)

• Balconi (2007)

Figure 3. 10 msec Faces.  Neutral (solid) vs. Emotional (dashed)

Figure 5.  Emotional Faces.  500 msec (dashed) vs. 10 msec (solid)

• Could be a basic intensity effect on reaction time, e.g. Jaskowski, et al. (2007)

• Similar effects have been found for intensity on N2 (Brisson, et al. 2007)

Figure 2b.  ERP from different intensity stimuli (manipulated by line width)
Dark=thick, dashed=medium, light=thin

• Next

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