نتایج جستجو برای: acoustic wave
تعداد نتایج: 289789 فیلتر نتایج به سال:
Two experiments designed to examine the specificity of emotional source memory are reported. In the encoding phase, participants saw faces along with emotional context information, that is, descriptions of cheating, trustworthy, or irrelevant behavior. In the test phase, participants were required to complete a source classification test and a cued recall test. In both experiments, the source m...
at the time of the survey, a rate essentially unchanged from 1997. For low-income adults, rates of employer-sponsored coverage increased from 39 percent in 1997 to 42 percent in 1999. Low-income adults in Alabama, Colorado, and Massachusetts saw their uninsurance rates fall the most. In Massachusetts, this decline was driven by growth in Medicaid coverage, while in Alabama and Colorado there wa...
BACKGROUND After an epidemic rise in Australian young male suicide rates over the 1970s to 1990s, the period following the implementation of the original National Youth Suicide Prevention Strategy (NYSPS) in 1995 saw substantial declines in suicide in young men. AIMS To investigate whether areas with locally targeted suicide prevention activity implemented after 1995 experienced lower rates o...
A devotion to music in Chinese classical texts is worth noticing. Early Chinese thinkers saw music as a significant part of human experience and a core practice for philosophy. While Confucian endorsement of ritual and music has been discussed in the field, Daoist understanding of music was hardly explored. This paper will make a careful reading of the Xiánchí Article On Sound: Reconstructing a...
We investigate the relationship between illusory figure detection and discrimination of its shape, asking whether these depend on a single, two separate, or two sequential processes. In a simultaneous detection-discrimination experiment, we presented subjects with brief, backward-masked Kanizsa-type patterns consisting of four "pacmen," arranged as if at the corners of a 60-degree parallelogram...
In this paper, a discrete analogue of Sommerfeld half plane diffraction is investigated. The two-dimensional problem of diffraction on a square lattice, of a plane (transverse) wave by a semi-infinite crack, is solved. The discrete Wiener–Hopf method has been used to obtain the exact solution of discrete Helmholtz equation, with input data prescribed on the crack boundary sites due to a time ha...
Previous research has shown that processing words with an up/down association (e.g., bird, foot) can influence the subsequent identification of visual targets in congruent location (at the top/bottom of the screen). However, as facilitation and interference were found under similar conditions, the nature of the underlying mechanisms remained unclear. We propose that word comprehension relies on...
In two experiments, we examined whether word age-of-acquisition (AoA) is a reliable predictor of processing times in semantic tasks. In the first task, participants were asked to say the first associate that came to mind when they saw a stimulus word; the second task involved a semantic categorisation between words with a definable meaning and first names. In both tasks, there were significantl...
We examined the effect of mimicry on how 16-month-old infants learn by observation a novel tool use action, which consisted of using a rake to retrieve a toy. Across four conditions, we manipulated whether during an initial play phase, an adult mimicked the infant's play or not (testing the effect of mimicry), the infant played with the adult or played alone (controlling the effect of interacti...
The perception of social information is crucial for the survival of most animal species. Two recent studies demonstrate the joint contribution of innate mechanisms and perceptual experience to two aspects of social perception--faces and biological motion. Together, they highlight how important it is to consider faces and biological motion as different visual properties used by a broader social ...
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