Scientists' understanding of how segregated ocular dominance columns develop in young animals relied on the development of this experimental method.
A) Neurons in the visual system are injected with a tracer that can then be imaged in a brain slice.
B) Electrical recordings are made in the retina while a light is projected onto the photoreceptors.
C) Electrical recordings are made in the visual cortex while a second electrode stimulates the retina.
D) The visual capabilities of animals are tested using a behavioral visual discrimination task.
E) Single neurons are extracted from the visual pathway and subjected to patch-clamp recordings.
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