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Updated: May 31, 2026

Monocular Visual Deprivation and Ocular Dominance Plasticity Measurement in the Mouse Primary Visual Cortex
Published on: February 8, 2020
Experience-induced interocular plasticity of vision in infancy.
Wayne W Tschetter1, Robert M Douglas, Glen T Prusky
1Department of Physiology and Biophysics, Burke Medical Research Institute, Weill Cornell Medical College White Plains, NY, USA.
Monocular deprivation (MD) in infant rats, combined with visual experience, can cause lasting vision loss in both eyes. This early-onset amblyopia, driven by experience-dependent cortical plasticity, occurs sooner than previously understood.
Area of Science:
- Neuroscience
- Developmental Biology
- Ophthalmology
Background:
- Traditional views hold that amblyopia's effects are confined to the deprived eye and cease after childhood.
- Previous research indicated that adult vision can be altered by monocular deprivation (MD) coupled with visuomotor experience.
Purpose of the Study:
- To investigate if similar experience-induced visual plasticity occurs in infancy.
- To determine if early-life MD combined with visual stimulation can lead to lasting vision impairment.
Main Methods:
- Rats were subjected to MD from postnatal day 15 (P15) combined with daily optokinetic tracking (OKT) measurements.
- Visual function was assessed through OKT thresholds and visual acuity tests.
- The role of the visual cortex in this plasticity was examined.
Main Results:
- Pairing MD with visuomotor experience from P15 to P25 enhanced OKT in the non-deprived eye but caused significant vision loss in both eyes after deprivation.
- This vision loss persisted into adulthood and was observed even when deprivation was limited to infancy (eyes opened at P19).
- Reduced visual function correlated with decreased visual acuity, and the plasticity was dependent on the visual cortex.
Conclusions:
- Experience-dependent cortical plasticity, leading to amblyopia, is present in infancy, earlier than previously recognized.
- Early-life visual experience can profoundly impact visual development and lead to long-term deficits.
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