Scientists' Understanding of How Segregated Ocular Dominance Columns Develop in Young

Multiple Choice

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.