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to investigate whether oxytocin alter attentional bias towards emotional expression faces in individuals with high and low autistic traits, and the brain mechanism of this effect
In the present study, investigator plan to use a double-blind, between-subject placebo controlled design.Firstly, all healthy male subjects' autistic trait levels will be assessed by the Autism Spectrum Quotient (ASQ) and only subjects with higher or lower ASQ score will be recruited in the next experiment and divided into high and low subgroup. Then, subjects are randomly assigned to receive either intranasal administration of oxytocin (24 IU) or placebo. 45 min later, subject need to complete an attentional bias task named rapid serial visual presentation (RSVP) task in fMRI scanner.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| high autistic and oxytocin group | Experimental | subject with high ASQ scores will receive oxytocin treatment |
|
| low autistic and oxytocin group | Experimental | subject with low ASQ scores will receive oxytocin treatment |
|
| high autistic and placebo group | Placebo Comparator | subject with high ASQ scores will receive placebo treatment |
|
| low autistic and placebo group | Placebo Comparator | subject with low ASQ scores will receive placebo treatment |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| screen low autistic subjects | Behavioral | screen subjects with low ASQ score |
|
| Measure | Description | Time Frame |
|---|---|---|
| attentional bias toward emotional expression faces | attentional bias was measured by the accuracy of each emotional faces in the RSVP task | 1 hour |
| Measure | Description | Time Frame |
|---|---|---|
| brain activity during RSVP task | brain activity was measured by the fMRI scanner | 1 hour |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Keith Kendrick, Dr. | Contact | k.kendrick.uestc@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Keith Kendrick, Dr. | University of Electronic Science and Technology of China | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| China, Sichuan | Recruiting | Chengdu | Sichuan | 611731 | China |
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| screen high autistic subjects | Behavioral | screen subjects with high ASQ score |
|
| oxytocin | Drug | intranasal administration of oxytocin (24 IU) |
|
| placebo | Drug | intranasal administration of placebo (24 IU) |
|
| ID | Term |
|---|---|
| D001321 | Autistic Disorder |
| ID | Term |
|---|---|
| D000067877 | Autism Spectrum Disorder |
| D002659 | Child Development Disorders, Pervasive |
| D065886 | Neurodevelopmental Disorders |
| D001523 | Mental Disorders |
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| ID | Term |
|---|---|
| D010121 | Oxytocin |
| ID | Term |
|---|---|
| D010909 | Pituitary Hormones, Posterior |
| D010907 | Pituitary Hormones |
| D036361 | Peptide Hormones |
| D006728 | Hormones |
| D006730 | Hormones, Hormone Substitutes, and Hormone Antagonists |
| D010455 | Peptides |
| D000602 | Amino Acids, Peptides, and Proteins |
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