Experimental Paradigm
Prior to arriving for the experimental session, all participants
across both studies were asked to send three digital
pictures of their romantic partner and three digital pictures
of their acquaintance. Participants were instructed that the
acquaintance chosen was to be of the same gender as
the romantic partner. Pictures were cropped to display
only the face. Participants rated attractiveness for both
their romantic partner and their acquaintance on a scale
from 0–10. In Study 2, eight college students (not involved
in any other part of the study and blinded to whether
pictures were of the partner or acquaintance) also rated
the attractiveness of all pictures.
Thermal stimuli were presented with a Medoc Advanced
Thermal Stimulator 3 × 3 cm Peltier contact thermode
(Medoc, Durham, NC, USA). The thermode allows for
precise control of heat stimuli and can produce temperatures
up to 51°C. Pain was rated on a 0–10 numerical
scale, with 0 being “no pain at all” and 10 being “worst
pain imaginable.”
Study 1
We sought to examine the effect of preoccupation on a
range of pain-level stimuli. We first determined low (3/10),
moderate (5/10), and high (7/10) levels of pain by exposing
participants to 10 seconds heat blocks on their left
hand. Following each thermal presentation, participants
provided a 0–10 pain rating. The first heat stimulus presentation
was set at a nonpainful temperature of 42°C.
Experimental ParadigmPrior to arriving for the experimental session, all participantsacross both studies were asked to send three digitalpictures of their romantic partner and three digital picturesof their acquaintance. Participants were instructed that theacquaintance chosen was to be of the same gender asthe romantic partner. Pictures were cropped to displayonly the face. Participants rated attractiveness for boththeir romantic partner and their acquaintance on a scalefrom 0–10. In Study 2, eight college students (not involvedin any other part of the study and blinded to whetherpictures were of the partner or acquaintance) also ratedthe attractiveness of all pictures.Thermal stimuli were presented with a Medoc AdvancedThermal Stimulator 3 × 3 cm Peltier contact thermode(Medoc, Durham, NC, USA). The thermode allows forprecise control of heat stimuli and can produce temperaturesup to 51°C. Pain was rated on a 0–10 numericalscale, with 0 being “no pain at all” and 10 being “worstpain imaginable.”Study 1We sought to examine the effect of preoccupation on arange of pain-level stimuli. We first determined low (3/10),moderate (5/10), and high (7/10) levels of pain by exposingparticipants to 10 seconds heat blocks on their lefthand. Following each thermal presentation, participantsprovided a 0–10 pain rating. The first heat stimulus presentationwas set at a nonpainful temperature of 42°C.
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