2015-08-10
Parameter | Crawling Infant | Walking Infant |
---|---|---|
Eye height | 0.30 m | 0.60 m |
Locomotor speed | 0.33 m/s | 0.61 m/s |
Head tilt | 20 deg | 9 deg |
Kretch, Franchak, & Adolph (2014), http://dx.doi.org/10.1111/cdev.12206
Geometric Feature | Distance |
---|---|
Side wall | +/- 2 m |
Side wall height | 2.5 m |
Distance of ground plane | 32 m |
Field of view width | 60 deg |
Field of view height | 45 deg |
Type of Locomotion | Ground Plane | Room | Side Wall | Two Walls |
---|---|---|---|---|
Crawling | 14.41 | 14.42 | 14.43 | 14.62 |
Walking | 9.38 | 8.56 | 7.39 | 9.18 |
\(f(x;k,\theta) = \alpha\frac{x^{k-1}e^{-\frac{x}{\theta}}}{\theta^k\Gamma(k)}\)
\(\alpha\), amplitude; \(\kappa\), shape; and \(\theta\), scale parameters.Moving Laminar ≠ Stationary Laminar in 13/22 infants.