Projects

a pic showing a scientist holding an ipad and wearing red-green anaglyph glasses

Active

Binocular rivalry as a detection tool for amblyopia

The project aims to develop a rapid, objective vision screening tool for identifying amblyopia in preschool children using abnormal binocular rivalry dynamics. Amblyopia is a leading cause of monocular vision loss, affecting 3.3% of the US population. Early intervention before age 7 yields better outcomes, making a scalable screening test for preschoolers an unmet public health need.

We investigate abnormal binocular rivalry dynamics as a behavioral biomarker for amblyopia in adults, exploring diagnostic power in a patient sample and determining the minimum rivalry data collection duration for…

binocular rivalry

Active

Binocular Rivalry and its neural processing in cortical hierarchy

It has been a mystery as to what level of cortical hierarchy is suppressed in visual processing from the amblyopic eye and how neural representations change when increasing contrast or paying attention to the amblyopic eye. In this project, we will adapt a standard EEG binocular rivalry paradigm, which modulates stimuli at different frequencies in each eye and incorporates a behavioral measure of perceptual eye dominance. We will simultaneously measure neural activity along the cortical hierarchy and perceptual eye dominance under 3 conditions: equal contrasts in the two eyes, perceptually…

Communication, Information, Advocacy, Research

Active

CVIers Discussion Group for Parents and Older Children with Cerebral Visual Impairment

A discussion group for parents of children and parents and older children with Cerebral Visual Impairment (CVI) supported by clinicians, researchers and teachers of the visually impaired.
Next Meeting: Monday January 27th 2025 at 12pm to 1.30pm Pacific Time

Active

Vergence and Stereopsis in Amblyopia & Strabismus

Vergence to disparity targets in the central visual field is impaired in individuals with amblyopia and strabismus.

Talking Signs

Completed

Talking Signs

Created by William Loughborough in 1979, Talking Lights was a system of infrared transmitters and receivers allowing blind and visually impaired travelers to quickly and easily “read signs” at a distance.

STEM figure showing icons representing science, technology, engineering and math

Active

Empowering Data Vision: A Data Science Course for Blind Individuals Using R

The goal of the “Empowering Data Vision: A Data Science Course for Blind Individuals” program is to help people with visual impairments acquire advanced skills related to STEM subjects and careers.

Inactive

Teng Lab Experiment Participation

Available experiments in the Cognition, Action, and Neural Dynamics Lab. Portal to signup form and description of studies in active recruitment.

schematic of an eyeball with pupil labeled and arrow indicating direction of gaze

Active

Challenges in Head-Free Eye Tracking in Health & Disease

This project is focused on investigating sources of error and potential improvement methodologies for head-free eye tracking, particularly in individuals with known oculomotor deficits

Photo of Magic Map, a bronze scale map of the Magical Bridge Playground in Palo Alto. The bronze map is bordered by panels on both sides with descriptions of the map.

Active

Magic Map

The Magic Map is an interactive 3D map installed at the Magical Bridge Playground in Palo Alto, California. It consists of a 1/100 scale 3D bronze representation of the playground, which includes over seventy play structures organized into multiple play zones and paths. When the user’s index fingertip touches a specific feature on the map, the name and description of the feature are read aloud in audio. This interactivity allows visitors with visual impairments to navigate the map without requiring them to read braille.

Cartoon of falling apple

Active

Vestibular Function in AMD: Verticality Perception

To accurately perceive one’s own state and that of the surrounding environment, visual, vestibular and somatosensory inputs must be appropriately weighted and dynamically reweighted depending on the environment and task difficulty, as well as signal reliability (and availability). Aging is associated with an increase on visual dependence (a greater weighting of visual information). In this project we investigate how loss of visual information due to AMD affects this reweighting process and if an increase in visual dependence may be maladaptive in AMD.