Task-Induced Strategies and Near-Threshold Priming: Conscious Influences on Unconscious Perception  

Oleh:

Dagenbach, Dale ; CARR, THOMAS H. ; Wilhemsen, Annelise

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Memory and Language (Full Text) vol. 28 no. 4 (Aug. 1989), page 412-443.

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/JML/28 Non-tandon: tidak ada Tandon: 1

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Isi artikel

Near-threshold masked semantic priming of lexical decisions is examined under prime presentation conditions established with several different judgment tasks, using a variety of converging indicators to determine whether subjects can introspect on the prime. In the apparent absence of such awareness, priming effects are found to vary nonmonotonically with stimulus onset asynchrony (SOA) between prime and mask. Priming initially decreases as SOA is shortened in the threshold region, but increases as SOA is shortened further. This phenomenon may help to account for discrepancies between studies in which prime presentation conditions were established with different judgment tasks. In addition, priming is influenced by the type of prime information required for successful performance in the judgment task. Facilitation results from related primes relative to unrelated primes after prime presentation conditions have been established with either detection judgments or word discrimination judgments. However, after semantic similarity judgments, related primes produce inhibition. The implication is that different judgment tasks induce different strategies for retrieving information from perceptual encoding mechanisms. These strategies carryover into the priming task, where they influence the operation of encoding mechanisms even when the strategies fail and prime inputs remain unavailable to introspection.

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