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PSYC30018_2025_SM1 Exam: Neuroscience and the Mind (PSYC30018_2025_SM1)- Requires Respondus LockDown Browser

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Neurones in the LGN cannot be the principal physiological substrate for the cardinal axes because..

Options
A.Neurones in the LGN do not cluster around the cardinal axes when plotted in terms of their chromatic selectivity
B.Parvocellular neurones are sensitive to both chromatic and luminance modulation.
C.There is mounting evidence that LGN is more than just a relay station.
D.Neurones in the LGN do not significantly change their output through prolonged stimulation.
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Step-by-Step Analysis
Exploring the statement requires assessing what each option implies about the LGN’s role in encoding the cardinal axes of color space. Option 1: 'Neurones in the LGN do not cluster around the cardinal axes when plotted in terms of their chromatic selectivity.' This suggests that LGN neurons are not organized to align with the classic opponent-color axes (e.g., red–green, blue–yellow). If true, it undermines the idea that LGN is the principal substrate for those cardinal axes, because the neuronal population would not reflect a c......Login to view full explanation

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