The Experiment :

• Cognitive Task: Subjects see photographs of two people interacting.
• • The mode of communication falls in one of 3 categories: via telephone, email, or face-to-face.
  • The affect portrayed is either negative, positive, or neutral in nature.
• Experimental Design: 3x3 Factorial design, BLOCKED trials
• • Factor A: CATEGORY - (1) Telephone, (2) E-mail, (3) Face-to-Face
  • Factor B: AFFECT - (1) Negative, (2) Positive, (3) Neutral
  • A random 30-second block of photographs for a task (ON), followed by a 30-second block of the control condition of scrambled photographs (OFF), and so on.
  • Each run has 3 ON blocks, 3 OFF blocks. There are 9 runs in a scanning session.