The phenomenological difference between Broadbent's capacity-limited filter and Deutsch-Norman's post-categorical selection constitutes a genuine theoretical disagreement about cognitive architecture, not merely a methodological dispute.

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Broadbent, Donald(as a historical figure in cognitive psychology): A British psychologist who proposed that our brains have a limited ability to pay attention, like a bottleneck that only lets certain information through at once.
Capacity-limited filter(as Broadbent's theory about attention): The idea that your brain can only process a certain amount of information at one time, so it acts like a filter that lets some things through and blocks others out.
Cognitive Architecture(as referring to the design of the mind's capabilities): The underlying structure of how the mind works—basically, the mental systems and processes that organize thinking, memory, and learning.
Deutsch-Norman(as alternative theorists in cognitive psychology): Two psychologists (David Deutsch and Donald Norman) who disagreed with Broadbent and proposed a different model for how the brain selects which information to pay attention to.

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Methodological dispute(as contrasted with a theoretical disagreement)

A disagreement about the best way or technique to test and study something, rather than disagreement about the actual explanation itself.

Phenomenological(describing the approach to studying self-awareness in this debate)

Related to phenomenology, the philosophical study of what it's actually like to experience things and how consciousness works from the inside.

Post-categorical selection(as Deutsch-Norman's alternative to Broadbent's theory)

The theory that your brain filters information after it has already recognized what something is (like recognizing a word), rather than before.

theoretical disagreement(Distinguished from empirical disputes, penumbral case disputes, and disputes about what law should be)

Deep or substantive disagreement about the grounds or criteria of law itself, as opposed to empirical or penumbral disputes

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