Reduced relationship-specific social touching and atypical association with emotional bonding in autistic adults.
Ayaka Fukuoka, Ryo Kitada, Kai Makita and 4 others
PMID 40420226WHAT IT FOUND
Adults with autism allowed smaller touchable body areas for most social network members and reported less pleasant touch from several members.
Their emotional bonding was more strongly associated with how much of their body they allowed to be touched, especially legs, torso and crotch.
Key findings
01Adults with autism allowed smaller touchable body areas than typically developed adults for most social network members.
02Adults with autism reported lower pleasantness for touch from partners, fathers, sisters and cousins, and weaker emotional bonding only with male cousins.
03Emotional bonding was more strongly associated with touchable body area in adults with autism, especially for legs, torso and crotch.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The study measured everything at one time, so it cannot show that touch allowance caused emotional bonding or that increasing touch would improve outcomes. Adults with autism had fewer partners, children and friends than typically developed adults, which may affect comparisons of relationship-specific touch. The sample was limited to Japanese adults, and the authors note cultural differences in touch, so results may not apply elsewhere. The study did not record medical conditions, skin conditions, or history of inappropriate touching, which could affect touch acceptance. It did not specify the type of touch, such as stroking, patting or hugging, so it cannot tell whether differences apply to all touch or particular kinds. It measured touch by people only, not touch by objects, so it cannot separate general tactile sensitivity from differences specific to social touch.
Declared interests
The work was funded by the Moonshot Research and Development Program and the Ministry of Education, Culture, Sports, Science and Technology. The supplied text does not report author conflicts of interest.
The easy way to misread this
Do not conclude that giving or receiving more touch will improve emotional bonding or social outcomes. The study measured associations at one time and did not test a touch intervention, so it cannot show that changing touch causes change.