Blockhead is Ned Block’s hypothetical machine: a large lookup table of question-and-answer pairs that can sustain humanlike conversation and pass a Turing test without understanding. It tests whether convincing behavior alone is enough to establish intelligence. section 9.3.1
Behavior without understanding?
Like Blockhead, John Searle’s Chinese Room produces appropriate responses by following stored rules. Both cases challenge behavioral tests; functionalism counters that understanding matters only through its effects on performance. section 9.3.1
