DISCRETE VS. CONTINUOS MODELS OF VISUAL PERCEPTION
离散与离散
基本信息
- 批准号:3379070
- 负责人:
- 金额:$ 6.74万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:1985
- 资助国家:美国
- 起止时间:1985-09-01 至 1991-08-31
- 项目状态:已结题
- 来源:
- 关键词:attention biological information processing brain electrical activity cognition electroencephalography electromyography memory mental process model design /development psychological models psychomotor reaction time psychophysiology sensory discrimination stimulus /response visual perception visual stimulus
项目摘要
Two very different types of models of visual perception have been
used by researchers in the fields of cognitive psychology and
human information processing. Discrete models characterized
visual perception as a discrete operation that must completely
finish processing a stimulus before any further cognitive processes
receive information about that stimulus (e.g., Sternberg, 1969a).
Continuous models characterize it as a continuous operation that
gradually transmits information about a stimulus to later
cognitive processes, so that these processes can begin before
perception is finished (e.g., McClelland, 1979). It is important for
both theoretical and methodological reasons to be able to
discriminate between these two types of models, and the goal of
the proposed research is to develop experimental tests that can
choose between them. The proposed experiments emphasize two
lines of research. One set of experiments will use
psychophysiological measurements to look for evidence that some
response preparation has occurred before stimulus perception has
finished. Previous studies have sought evidence of such
preliminary response preparation using indirect measures based on
total response latency, and results have been subject to
alternative explanations. Using electrophysiological measures
including the electromyogram (EMG) and event-related cerebral
potentials (ERPs), it should be possible to measure preliminary
response preparation more directly. These measures will be
obtained in several different experimental paradigms yielding
effects previously attributed to preliminary response preparation,
and they will indicate whether such preparation is actually
responsible for these effects. Such preliminary response
preparation would be consistent with continuous, but not discrete,
models of perceptual processes. The second set of experiments
will use reaction time measurements to study visual attention. If
it can be established that attentional emphasis continuously
modulates the output of perceptual processes (rather than their
use by late processes), then this would constitute broad support
for models with continuous rather than discrete activation of
stimulus codes. The results of these studies will be of interest to
cognitive psychologists, human factors engineers and designers of
interfaces for human/computer interaction, and researchers in
some areas of artificial intelligence.
有两种截然不同的视觉感知模型
项目成果
期刊论文数量(0)
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JEFFREY O MILLER其他文献
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{{ truncateString('JEFFREY O MILLER', 18)}}的其他基金
INBRE UNDERGRADUATE RESEARCH EXPERIENCE AND PROF DEVELOPMENT CORE
INBRE 本科研究经验和教授发展核心
- 批准号:
8359613 - 财政年份:2011
- 资助金额:
$ 6.74万 - 项目类别:
INBRE UNDERGRADUATE RESEARCH EXPERIENCE AND PROF DEVELOPMENT CORE
INBRE 本科研究经验和教授发展核心
- 批准号:
8167566 - 财政年份:2010
- 资助金额:
$ 6.74万 - 项目类别:
DISCRETE VERSUS CONTINUOUS MODELS OF VISUAL PERCEPTION
视觉感知的离散模型与连续模型
- 批准号:
3379072 - 财政年份:1985
- 资助金额:
$ 6.74万 - 项目类别:
DISCRETE VERSUS CONTINUOUS MODELS OF VISUAL PERCEPTION
视觉感知的离散模型与连续模型
- 批准号:
3379068 - 财政年份:1985
- 资助金额:
$ 6.74万 - 项目类别:
DISCRETE VS CONTINOUS MODELS OF INFORMATION PROCESSING
信息处理的离散模型与连续模型
- 批准号:
3379066 - 财政年份:1985
- 资助金额:
$ 6.74万 - 项目类别:
DISCRETE VS CONTINOUS MODELS OF INFORMATION PROCESSING
信息处理的离散模型与连续模型
- 批准号:
3379069 - 财政年份:1985
- 资助金额:
$ 6.74万 - 项目类别:
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