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151.
Pamelia F. O'Connell 《Brain and language》1981,12(2):292-302
This study examined aspects of speech produced by an aphasic subject with neologistic jargon. Grammatical category, syllabic structure, and phonemic characteristics of neologisms, paraphasias, and correct productions were analyzed and compared. Results tended to confirm an anomic component in this type of aphasia and to support a role for the postactivation of phonemic units from prior utterances in the phonemic composition of some neologistic productions. In opposition to prior claims, however, the results also showed a striking similarity between neologisms and paraphasias, suggesting that similar mechanisms may be involved in both types of aphasic error. 相似文献
152.
Michael F. Scheier Charles S. Carver Frederick X. Gibbons 《Journal of research in personality》1981,15(1):1-15
Two studies were conducted to study the effect of self-focused attention on behavioral responses to fear. In Experiment 1, phobics and nonphobics were asked to approach and hold a snake either in the presence of a mirror or with no mirror. In Experiment 2, high and low private self-conscious subjects were asked to submit to a series of either mild or strong electric shock for humanitarian reasons. In each case, self-directed attention caused increased responsivity to the fearful affect and made subjects more likely to withdraw from the situation, regardless of the fact that a behavioral standard existed which called for an opposite response. The theoretical and behavioral implications of the findings were discussed. 相似文献
153.
Edward H Cornell 《Journal of experimental child psychology》1974,18(1):98-106
Infants' discrimination of photographs of faces, as indicated by fixation toward novel targets, was the criterion used to evaluate familiarization conditions designed to facilitate the exercise of selective attention. Groups of 19- and 23-week-old infants were shown either pictures of different faces of the same sex, differing poses of the same face, or repeated exposures of the face that served as a test stimulus. The older infants demonstrated differential attention to novel over familiar stimuli during subsequent recognition tests, and an examination of their responsiveness during familiarization presentations indicated differing trends of looking activity. 相似文献
154.
D F Berger 《Journal of experimental child psychology》1974,18(2):269-279
Preschool age, white children from lower and middle socioeconomic backgrounds were exposed separately to the same operant analog of the Amsel “double alley” procedure. Two measures of responding, latency of press and pressing rate, were taken following frustration and reward of prior responding. The middle-class children responded slower, in both measures, on nonrewarded compared to rewarded trials, a reversal of the more frequently observed frustration effect (FE). The lower-class children, by contrast, showed the usual FE, shorter response latencies following frustrative nonreward. The FE was not observed with the rate measure. The obtained socioeconomic class difference in reaction to frustration was discussed in terms of the possible relationship to class differences in perceived locus of control of reinforcement. An alternative explanation relating the results to the maximizing vs response patterning behavior in three-choice probability learning tasks was also discussed. 相似文献
155.
Preschool and third-grade children heard prenominal adjective phrases describing an object. Each phrase contained an article, two adjectives and a head noun. The phrases were constructed with either normal or inverted adjective order. Either after a one second delay or immediately following phrase presentation, Subjects were shown pictures of two objects. One of the objects (target) depicted the object described in the noun phrase. The other object differed from the target along the dimensions of color, size, or both color and size. The Subject's task was to select the target object. It was predicted that adjective order would influence perceptual strategies used by the Subjects in the visual discrimination task. Analysis of response time scores showed that adjective order interacted with the relevant discriminative stimuli in the discrimination task. These results were interpreted as support for hypotheses that suggest that linguistic organization can constrain conceptual processing involving nonlinguistic information. The effects of the delay condition provided additional evidence for these hypotheses plus support for an arousal hypothesis. 相似文献
156.
Experiment 1 investigated the between-S and within-S effects of sucrose concentration (32 and 6%) and number of goal units (equal volumes of sucrose presented in single or multiple goal cups). The goal-unit variable had no effect on behavior under any of several test conditions employed. Within-S effects of sucrose concentration were approximately equal to between-S effects; no contrast effects were found. When 64 and 6% sucrose solutions were used as reinforcers in Experiment 2, a simultaneous, but not a successive, negative contrast effect was found. Results were discussed in terms of possible functional differences between the successive and simultaneous contrast paradigms and between sucrose solutions and solid food as reinforcers. 相似文献
157.
Rhesus monkeys were given 2304 two-trial object discrimination problems that were presented as members of lists consisting of two, four, or eight problems. The problems within each list were presented concurrently, Trial 1 for all problems in the list being presented before initiation of Trial 2 for any problem. Each problem involved exposure of a single object on Trial 1, which was either rewarded or not rewarded, followed by presentation of the Trial 1 object along with a second object on Trial 2. Performance varied inversely with list length, and this effect became more prominent as a function of training. Performance after Trial 1 nonreward was substantially better than that after Trial 1 reward, and this effect became enhanced both with continued training and with increased list length. The findings were discussed in terms of Bessemer's short-term memory analysis of learning set. 相似文献
158.
Twenty-eight children (mean age 4.3 yr) were tested for comprehension of spatial antonym pairs with arrays which contained four objects representing both members of two antonym pairs. The results showed that: (a) the most common error was to point to an object representing the same polarity (marked-unmarked) as the word requested; (b) there was not a high degree of confusion within antonym paris; (c) unmarked antonyms tend to be acquired before marked antonyms; and (d) the order of acquisition of the pairs was: tall-short, long-short, high-low, thick-thin, deep-shallow, wide-narrow. The results were interpreted as supporting a modified semantic-feature hypothesis, in which polarity is acquired before dimension. 相似文献
159.
Hemispheric specialization for processing different types of rapidly exposed stimuli was examined in a forced choice reaction time task. Four conditions of recognition were included: tacial emotion, neutral faces, emotional words, and neutral words. Only the facial emotion condition produced a significant visual field advantage (in favor of the left visual field), but this condition did not differ significantly from the neutral face condition's left visual field superiority. The verbal conditions produced significantly decreased latencies with RVF presentation, while the LVF presentation was associated with decreased latencies on the facial conditions. These results suggested that facial recognition and affective processing cannot be separated as independent factors generating right hemisphere superiority for facial emotion perception, and that task parameters (verbal vs. nonverbal) are important influences upon effects in studies of cerebral specialization. 相似文献
160.
John F. Kremer Robert G. Bringle Phil Cave 《Personality and individual differences》1980,1(4):355-361
This experiment examined changes in anxiety and differences in aggression for high and low assertive women when different degrees of conflict were encountered. As predicted, low assertive women were intially more uneasy or anxious than high assertive women when they were placed in a conflictual situation. When the level of actual conflict was low, the level of anxiety of low assertive women decreased. However, when the actual level of conflict was high the anxiety level of low assertive women remained unchanged. These results were taken as support for the fear of conflict hypothesis which predicted that the reduction in anxiety for low assertive persons is contingent upon whether or not the anticipated conflict is actually encountered. The results also indicated that high assertive women were not significantly more aggressive than low assertive women. This finding provided support for Galassi's position that assertiveness and aggression are distinct concepts. 相似文献