Processing nonlinguistic negation  

Oleh:

Carlson, Richard A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The American Journal of Psychology vol. 102 no. 2 (1989), page 213.
Topik: Psycholinguistic; Nonlinguistic Negation; Logical Negation
Fulltext: 1422953.pdf (1.26MB)

Isi artikel

Psycholinguistic research suggests that negation serves both logical and other linguistic functions in natural language. To isolate the processing of negation as a logical function, the present study examines how individuals process negation in a nonlinguistic context, making judgments about digital electronic components known as logic gates. Standard symbols and terminology for these components (a) use natural language terms for logical functions (e.g., and, not), and (b) represent negation explicitly. One group of subjects (linguistic code) was instructed with these standard symbols and terms. A second group (visual code) saw arbitrary symbols that explicitly represented negation, but received instructions that avoided the use of natural language terms for logical functions. A third group (neutral code) saw arbitrary symbols that represented negation only implicitly. Negated functions resulted in longer latencies in the linguistic code condition. Subjects in the visual code group also showed a strong effect of negation, but subjects differed in terms of which function (e.g., AND or Not AND) was taken as the affirmative reference. A similar but much smaller effect was apparent in the neutral code condition. The results indicate that the effect of negation on judgment latency does not depend entirely on linguistic factors. The pattern of results is consistent with a serial stage model of processing logical negation.

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