Testing a New Conditioning Method to Reduce Loneliness in Adults
Led by Education University of Hong Kong · Updated on 2026-03-02
136
Participants Needed
1
Research Sites
N/A
Total Duration
AI-Summary
What this Trial Is About
Researchers are studying a new 6-session conditioning approach to understand how it may affect feelings of loneliness, mood, depressive symptoms, and related brain activity in adults who feel lonely. The study aims to explore changes in social and emotional processing and brain patterns linked to loneliness by comparing two different intervention methods.
Participants will first complete an online loneliness questionnaire and further screening. Eligible adults will be randomly assigned to one of two groups one group will experience social images paired with positive stimuli, while the other group will see social images paired with neutral stimuli. The intervention includes a pre-conditioning phase, six conditioning sessions over three weeks, and a post-conditioning phase where participants rate the emotional value of images.
Throughout the study, participants will complete tests and questionnaires on loneliness, mood, and depressive symptoms at baseline, immediately after the sessions, and three months later. Resting-state brain scans using a 3T MRI will also be conducted at these times. Researchers will monitor social motivation, emotional responses to stimuli, and brain activation patterns, as well as daily loneliness over about four months. The total study period includes initial assessments, intervention, and long-term follow-up.
CONDITIONS
Brief Title
A Novel Conditioning Approach to Counter Loneliness in Adults
Research Team
N
Nichol ML Wong, PhD
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No histories of learning impairment, major psychiatric disorders or neurological disorders other than depression
Normal intelligence
At least primary school education
You will not qualify if you...
On medication or treatments within 2 weeks prior to the beginning of the study that would affect the individual's brain, cognitive and affective functions
Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Baseline Assessment
Duration - 1 day
Participants complete tests and questionnaires on loneliness, mood, depressive symptoms, and other socio-affective measures; they are also invited to receive resting-state functional MRI scanning.
1 baseline visit (in-person)
Pre-conditioning Phase
Duration - 1 day
Participants are exposed to pictures with varying emotional and social content and provide ratings on perceived valence and social motivation.
1 visit (in-person)
Conditioning
Duration - 3 weeks
Participants attend 6 sessions across 3 weeks involving exposure to social stimuli paired with either positive or neutral stimuli depending on their group assignment.
6 visits (in-person)
Post-conditioning Phase
Duration - 1 day
Participants provide ratings on the stimuli similar to the pre-conditioning phase.
1 visit (in-person)
Immediate Post-intervention Assessment
Duration - 1 day
Participants complete tests and questionnaires on loneliness, mood, depressive symptoms, and other socio-affective measures; they are also invited to receive resting-state functional MRI scanning.
1 visit (in-person)
3-Month Follow-up Assessment
Duration - 1 day
Participants complete tests and questionnaires on loneliness, mood, depressive symptoms, and other socio-affective measures; they are also invited to receive resting-state functional MRI scanning.
1 visit (in-person)
How is the study designed?
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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Published Research Related To This Trial
Evaluating the effects of a conditioning training paradigm on loneliness, socio-affective processing, and brain connectivity: a study protocol of a two-arm randomised controlled trial.