Infant Development
Conditions
Brief summary
The goal of this study is to experimentally test whether baby items can promote healthy infant development.
Interventions
OTHERBaby Bouncer
Fischer Price baby bouncer.
OTHERInfant t-shirts with Language Environment Analysis (LENA) audio recorders
Infant t-shirts with wearable LENA audio recorders for 2-8 hours of recordings of vocal interaction, crying and turn-taking.
OTHERBaby Carrier
Ergobaby Baby carrier.
Sponsors
University of Miami
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
NONE
Eligibility
Sex/Gender
ALL
Healthy volunteers
Yes
Inclusion criteria
* Mothers and their infants must be healthy with no known birth complications * Infants must be born full term (at least 37 weeks gestation) * Mother must speak English * Mothers must be at least 28 weeks along in their pregnancy. Mothers with newborns who are less than 2 weeks will be included.
Exclusion criteria
* Participants who does not meet all the inclusion criteria.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Cognitive skill as assessed via eye tracking | 8 months | Cognitive skill is reported as the percentage of accuracy of eye gaze as evaluated via the eye tracking procedure. |
| Parental Engagement | 8 months | Mother and infant will engage in a 15-minute unstructured free playtime. This engagement will be videotaped and assessed by the Investigator. Parental engagement is reported as the percentage of parental sensitivity and synchrony scored on a 0-100% scale with the higher score indicating increased sensitivity and synchrony. |
| Infant Reactivity (Crying) assessed by the Face to Face/Still Face Procedure | 8 months | Infant emotions and social engagement is reported as the time noted when the infant was crying during the 6 minute Face to Face/Still Face Procedure. |
| Infant Reactivity (Smiling) assessed by the Face to Face/Still Face Procedure | 8 months | Infant emotions and social engagement is reported as the time noted when the infant was smiling during the 6 minute Face to Face/Still Face Procedure. |
| Oxytocin levels | 8 months | Mother and infant oxytocin levels will be measured via saliva sample. |
| Percentage of infant and adult vocalizations time | Up to 8 hours | Assessed via 2-8 hours audio recordings on LENA. |
| Percentage of infant and adult turn taking | Up to 8 hours | Assessed via 2-8 hours audio recordings on LENA. Turn taking is defined as the verbal exchange by adult and infant. |
| Percentage of Infant crying time | Up to 8 hours | Percentage of infant crying time will be assessed via 2-8 hours audio recordings on LENA. |
Countries
United States
Outcome results
None listed