Data and code from: Sub-surface deformation of individual fingerprint ridges during tactile interactions

The human fingertip can detect small tactile features with a spatial acuity roughly the width of a fingerprint ridge. However, how individual ridges deform under contact to support accurate and high-precision tactile feedback is currently unknown. The complex mechanical structure of the glabrous skin, composed of multiple layers and intricate morphology within which mechanoreceptors are embedded, makes this question challenging. Here, we used optical coherence tomography to image and track sub-surface deformations of hundreds of individual fingerprint ridges across ten participants and four individual contact events at high spatial resolution in vivo. We calculated strain patterns in both the stratum corneum and viable epidermis in response to a variety of passively-applied tactile stimuli, including static indentation, stick-to-slip events, sliding of a flat surface in different directions, and interaction with small tactile features, such as edges and grooves. We found that ridges cou..., Participants provided written consent to publish the recorded data, which are high-resolution images of small sections of their fingertip. Individual participants cannot be identified from the data gathered., , # Data and code from: Sub-surface deformation of individual fingerprint ridges during tactile interactions Dataset DOI: [10.5061/dryad.0vt4b8hbz](https://doi.org/10.5061/dryad.0vt4b8hbz) ## Description of the data and file structure This dataset contains raw OCT images, tracked features as calculated by the DeepLabCut package, and processed features after temporal segmentation. ### Files and variables #### File: Corniani_Code.zip **Description:**Â Contains analysis code to calculate ridge deformations from tracked features. #### File: Corniani_OCT_Edge_Surface.zip **Description:**Â Contains raw OCT images, tracked features, and processed features for the edge stimulus. #### File: Corniani_OCT_Flat_Surface.zip **Description:**Â Contains raw OCT images, tracked features, and processed features for the flat stimulus. #### File: Corniani_OCT_Groove_Surface.zip **Description:**Â Contains raw OCT images, tracked features, and processed features for the groove stimulus. ## Code/softwa...