email: padlab.UCR@gmail.com

phone: 951.827.5295

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The UC Riverside Perception, Action, and Development Lab studies:

- Natural visual and motor experiences of infants, children, and adults in everyday tasks

- Visual exploration of complex scenes and natural environments

- Perceptual recalibration to changing motor abilities

Come join our team!

- We are accepting applications for undergraduate research assistants on a rolling basis. Please apply here!

The Perception, Action, and Development Lab was awarded a 4 year grant from the National Science Foundation to study infants' everyday visual, motor, and language experiences.

Read more on UCR news.

See our research in action:

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2022

Franchak, J.M., & Yu, C. (2022). Beyond screen time: Using head-mounted eye tracking to study natural behavior. In J. Lockman & R. Gilmore (Eds.), Advances in Child Development and Behavior (Vol. 62) .

2021

Franchak, J.M., Scott, V., & Luo, C. (2021). A contactless method for measuring full-day, naturalistic motor behavior using wearable inertial sensors. Frontiers in Psychology, 12, 701343.
Franchak, J.M., McGee, B., & Blanch, G. (2021). Adapting the coordination of eyes and head to differences in task and environment during fully-mobile visual exploration. PLOS One, 16(8), e0256463. [Data and Reproducible Analyses]
Feghhi, I., Franchak, J.M., & Rosenbaum, D.A. (2021). Towards a common code for difficulty: Navigating a narrow gap is like memorizing an extra digit. Attention, Perception, & Psychophysics.
Gagnon, H.C., Rohovit, T., Finney, H., Zhao, Y., Franchak, J.M., Stefanucci, J.K., Creem-Regehr, S.H., & Bodenheimer, R.E. (2021). The effect of feedback on estimates of reaching ability in virtual reality. Proceedings of the 2021 IEEE Virtual Reality (VR), Lisbon, Portugal.

2020

Luo, C., & Franchak, J.M. (2020). Head and body structure infants' visual experiences during mobile, naturalistic play. PLOS One, 15, e0242009.
Kadooka, K., & Franchak, J.M. (2020). Developmental changes in infants' and children's attention to faces and salient regions vary across and within video stimuli. Developmental Psychology, 56, 2065-2079.
Franchak, J.M. (2020). Visual exploratory behavior and its development. In K. Federmeier & E. Schotter (Eds.) The Psychology of Learning and Motivation (Vol. 73): Gazing toward the future: Advances in eye movement theory and applications (pp. 59-94).
Franchak, J.M. (2020). Calibration of perception fails to transfer between functionally similar affordances. Quarterly Journal of Experimental Psychology, 73, 1311-1325.
Franchak, J.M. (2020). The ecology of infants' perceptual-motor exploration. Current Opinion in Psychology, 32, 110-114.
Franchak, J.M. (2020). Looking with the eyes and head. In J. Wagman & J. Blau (Eds.) Perception as Information Detection: Reflections on Gibson's Ecological Approach to Visual Perception (pp. 205-221). New York: Routledge

2019

Franchak, J.M. (2019). Development of affordance perception and recalibration in children and adults. Journal of Experimental Child Psychology, 183, 100-114.
Franchak, J.M. (2019). Changing opportunities for learning in everyday life: Infant body position over the first year. Infancy, 24, 187-209.

2018

Labinger, E., Monson, J.R., & Franchak, J.M. (2018). Effectiveness of spontaneous exploration when recalibrating to changing affordances. PLoS One, 13, e0209298.
Franchak, J.M. & Somoano, F.A. (2018). Rate of recalibration to changing affordances for squeezing through doorways reveals the role of feedback. Experimental Brain Research, 236, 1699-1711.
Franchak, J.M., Kretch, K. S., & Adolph, K. E. (2018). See and be seen: Infant-caregiver social looking during locomotor free play. Developmental Science, 21, e12626.
Slone, L.K., Abney, D.H., Borjon, J.I., Chen, C., Franchak, J.M., Pearcy, D., Suarez-Rivera, C., Xu, T.L., Zhang, Y., Smith, L.B., & Yu, C. (2018). Gaze in action: Head-mounted eye tracking of children's dynamic visual attention during naturalistic behavior. Journal of Visualized Experiments, 141, e58496.

2017

Franchak, J.M. (2017). Using head-mounted eye tracking to study development. In B. Hopkins, E. Geangu, & S. Linkenauger (Eds.), Cambridge Encyclopedia of Child Development (2nd edition). Cambridge: Cambridge University Press.
Franchak, J.M. (2017). Exploratory behaviors and recalibration: What processes are shared between functionally-similar affordances? Attention, Perception, & Psychophysics, 79, 1816-1829.
Adolph, K. E. & Franchak, J.M. (2017). The develpment of motor behavior. WIREs Cognitive Science, 8, e1430.

2016

Franchak, J.M., Heeger, D. J., Hasson, U. & Adolph, K. E. (2016). Free viewing gaze behavior in infants and adults. Infancy, 21, 262-287.

2015

Franchak, J.M. & Yu, C. (2015). Visual-motor coordination in natural reaching of young children and adults. Proceedings of the 37th annual meeting of the Cognitive Science Society.
Nayer, K., Franchak, J.M., Adolph, K.E., & Kiorpes, L. (2015). From local to global processing: The development of illusory contour perception. Journal of Experimental Child Psychology, 131, 38-55.

2014

Franchak, J.M. & Adolph, K.E. (2014). Gut estimates: Pregnant women adapt to possibilities for squeezing through doorways. Attention, Perception, & Psychophysics, 76, 460-472.
Franchak, J.M. & Adolph, K.E. (2014). Affordances for action as probabilistic functions: Implications for development, perception, and decision-making. Ecological Psychology, 26, 109-124.
Kretch, K.S., Franchak, J.M., & Adolph, K.E. (2014). Crawling and walking infants see the world differently. Child Development, 85, 1503-1518.
Bambach, S., Franchak, J.M., Crandall, D.J., & Yu, C. (2014). Detecting hands in children's egocentric views to understand embodied attention during social interaction. Proceedings of the 36th annual meeting of the Cognitive Science Society.
Lee, S., Bambach, S., Crandall, D.J., Franchak, J.M., & Yu, C. (2014). This hand is your hand: A probabilistic approach to hand disambiguation in egocentric video. Proceedings of the 2014 IEEE Conference on Computer Vision and Pattern Recognition.
Ishak, S., Franchak, J.M., & Adolph, K.E. (2014). Perception-action development from infants to adults: Perceiving affordances for reaching through openings. Journal of Experimental Child Psychology, 117, 92-105.

2013

Comalli, D.M., Franchak, J.M., Char, A., & Adolph, K.E. (2013). Ledge and wedge: Older and younger adults' perception of possibilities for action. Experimental Brain Research, 228, 183-192.

2012

Franchak, J.M. & Adolph, K.E. (2012). What infants know and what they do: Perceiving possibilities for walking through openings. Developmental Psychology, 48, 1254-1261.
Franchak, J.M., Celano, E.C., & Adolph, K.E. (2012). Perception of passage through openings depends on the size of the body in motion. Experimental Brain Research, 223, 301-310.
Raudies, F., Gilmore, R.O., Kretch, K.S., Franchak, J.M., & Adolph, K.E. (2012). Understanding the development of motion processing by characterizing optic flow experienced by infants and their mothers. Proceedings of the IEEE International Conference on Development and Learning.

2011

Franchak, J.M., Kretch, K.S., Soska, K.C., & Adolph, K.E. (2011). Head-mounted eye-tracking: A new method to describe infant looking. Child Development, 82, 1738-1750.

2010

Franchak, J.M., van der Zalm, D.J., & Adolph, K.E. (2010). Learning by doing: Action performance facilitates affordance perception. Vision Research, 50, 2758-2765.
Franchak, J.M., & Adolph, K.E. (2010). Visually guided locomotion: Head-mounted eye-tracking of natural locomotion in children and adults. Vision Research, 50, 2766-2774.
Franchak, J.M., Kretch, K.S., Soska, K.C., Babcock, J.S., & Adolph, K.E. (2010). Head-mounted eye-tracking of infants' natural interactions: A new method. Proceedings of the 2010 Symposium on Eye Tracking Research & Applications, Austin, Texas.

2008

Adolph, K.E., Joh, A.S., Franchak, J.M., Ishak, S., & Gill, S.V. (2008). Flexibility in the development of action. In J. Bargh, P. Gollwitzer, & E. Morsella (Eds.), Oxford Handbook of Human Action. New York: Oxford University Press.

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ROI Coder

The ROI Coder is a Matlab coding/annotation package for defining dynamic regions of interest for eye tracking studies (head-mounted or remote). An intuitive user interface makes coding efficient and quick to learn.

Github project page

Eye Tracking Tools

Matlab functions for importing and visualizing head-mounted eye tracking data (tailored to the Positive Science system). Includes code for generating heatmap density plots as seen in the image.

Github project page

Escalator Toolbox

The Escalator Toolbox is a collection of Matlab functions designed for perception-action researchers to run data collections and process the resulting data. Additional functionality lets users simulate data collections to test trial procedures prospectively and explore how trial procedures affect the resulting data.

Github project page

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John Franchak

Associate Professor of Psychology
Office: Psychology 2125
Phone: 951.827.3898
franchak@ucr.edu
Faculty page
Curriculum vitae
Google scholar profile
Twitter: @JohnFranchak

Kellan Kadooka

Graduate Student
Office: Olmsted 2136
kkado001@ucr.edu

Brianna McGee

Graduate Student
Office: Olmsted 2136
bmcge002@ucr.edu

Chuan Luo

Graduate Student
Office: Olmsted 2136
cluo009@ucr.edu
Personal web site

Ishatpreet Kaur

Staff Researcher
Office: Olmsted A0126
ikaur002@ucr.edu

Tasnia Haider

Staff Researcher
Office: Olmsted A0126
thaid002@ucr.edu

2022 Perception, Action, & Development Lab

Lab phone: 951.827.5295

Mailing address

Department of Psychology
University of California, Riverside
900 University Avenue
Riverside, CA 92521

Lab address

Olmsted Hall, Room 2136
Riverside, CA 92507
Parking: Lot 6 on West Campus Drive

The UC Riverside Perception, Action, and Development Lab studies: - Natural visual and motor experiences of infants, children, and adults in everyday tasks - Visual exploration of complex scenes and natural environments - Perceptual recalibration to changing motor abilities

Come join our team! - We are accepting applications for undergraduate research assistants on a rolling basis. Please apply here!