Final answer:
The core Perceptual Reasoning subtests in the WAIS-IV are Block Design and Matrix Reasoning; the supplemental subtests are Visual Puzzles and Figure Weights.
Step-by-step explanation:
The core subtests for Perceptual Reasoning in the WAIS-IV are Block Design and Matrix Reasoning. The supplemental subtests are Visual Puzzles and Figure Weights.
So the correct answer to the question is a) Core: Matrix Reasoning, Block Design; Supplemental: Visual Puzzles, Figure Weights. Perceptual Reasoning is one of the cognitive domains assessed by the WAIS-IV, providing insight into an individual's non-verbal and fluid reasoning abilities.