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271.
Francisco J. Donis Eric G. Heinemann Sheila Chase 《Attention, perception & psychophysics》1994,55(6):676-688
In the experiments described in this paper we examined the effects of contextual stimuli on pigeons’ recognition of visual patterns. Experiment z showed acontext-superiority effect. Specifically, two target forms that were identical except for location in the visual field were not discriminated when presented alone, but the compounds formed when each of these targets was placed between a nearby pair of flanking stimuli were readily discriminated. The size of the context-superiority effect decreased with increasing target-flanker separation. In Experiments 2 and 3 the two targets differed in form rather than spatial location and were readily discriminated in the absence of Hankers. Under these circumstances, adding an identical pair of flankers to each target resulted in a content-inferiority effect; that is, the two target-plus-Hankers compounds were less readily discriminated than the targets atone. The size of the context-inferiority effect decreased with increasing target-flanker separation. The observed effects of context are predictable from the Heinemann-Chase (1990) model of pattern recognition. 相似文献
272.
Josep Demestre Sheila Meltzer José E. García-Albea Andreu Vigil 《Journal of psycholinguistic research》1999,28(3):293-312
Event-related brain potentials (ERPs) were recorded during spoken language comprehension to study the on-line effects of gender agreement violations in controlled infinitival complements. Spanish sentences were constructed in which the complement clause contained a predicate adjective marked for syntactic gender. By manipulating the gender of the antecedent (i.e., the controller) of the implicit subject while holding constant the gender of the adjective, pairs of grammatical and ungrammatical sentences were created. The detection of such a gender agreement violation would indicate that the parser had established the coreference relation between the null subject and its antecedent. The results showed a complex biphasic ERP (i.e., an early negativity with prominence at anterior and central sites, followed by a centroparietal positivity) in the violating condition as compared to the non-violating conditions. The brain reacts to NP-adjective gender agreement violations within a few hundred milliseconds of their occurrence. The data imply that the parser has properly coindexed the null subject of an infinitive clause with its antecedent. 相似文献
273.
274.
Wernicke's and Broca's-Conduction aphasics and a Global aphasic were presented with a lexical-decision task in which English words and pronounceable nonwords were preceded by semantically related, unrelated, or nonword primes. The patients were also given a simple semantic-judgment task using the word pairs from the lexical-decision task. Wernicke's aphasics performed similar to normals and Broca's-Conduction aphasics showing significantly shorter latencies in making real-word identifications when preceded by a semantically related word. In addition, both superordinate and coordinate associates showed semantic-priming effects. Performance on the semantic-judgment task showed significantly more impairment in the aphasic group than in the normal controls. These results suggest that aphasics with even severe language impairments retain stored semantic information that may be automatically activated, yet is inaccessible to conscious semantic decision during metalinguistic tasks. 相似文献
275.
276.
Attitudes toward mothering and motherhood are examined within a sample representative of college-educated young adults and their mothers. Factor structures are compared based upon response to the 40-item Motherhood Inventory. Two factors are indicated for males: a “chauvinism” factor describing women as appropriately serving and providing for men and children, and a factor that represents acceptance of contraceptive choice for women. For younger women, the theme of reproductive freedom includes autonomy in choice of motherhood as well as personal fulfillment; a second factor describes traditional rewards and responsibilities of motherhood. For older women, a single dominant factor represents a highly conventionalized definition of women's familial roles. On a scale of acceptance of reproductive freedom (the single common dimension observed for all groups), men score lower than women and Catholics score lower than non-Catholics. 相似文献
277.
The first part of the paper reports an investigation of the effects of the concreteness-imagery (C-I) value of stimuli and responses on the long-term retention of paired-associate lists. With degree of learning equated, the measures of retention after a 1-week interval showed a significant interaction of Stimulus by Response C-I: When the responses had a high value, recall was substantially better with low than with high stimuli; when the responses were low, there was no reliable difference as a function of stimulus value. Recall was best when abstract stimuli were paired with concrete responses. The second part of the paper is addressed to some current issues in the analysis of coding processes. Major emphasis is placed on the experimental and theoretical differentiation of encoding and decoding processes. 相似文献
278.
Sheila M. Pfafflin 《Memory & cognition》1974,2(2):236-240
In three experiments the free recall of rapidly presented word strings was studied. The word strings were shown either in grammatical order or a scrambled order. It was found that the invariance of recall with various presentation times for grammatical sequences breaks down at presentation times between 175 and 250 msec. The order of recall, however, remains consistent with the type of sequence presented irrespective of presentation time. The amount of time requked to utilize syntactic information fully in free recall is of approximately the same order of magnitude as that required to read the words. 相似文献
279.
A selective adaptation experiment was conducted to determine the ability of various adapting stimuli to alter the perception of a series of 13 synthetic speech syllables. The synthetic test syllables, which varied acoustically in the starting frequency and direction of second- and third-formant transitions, included stop consonant distinctions ofplace of articulation for the syllable types [bae], [dae], and [gae]. A systematic adaptation effect was produced in the locus of the bae-bae phonetic boundary for these stimuli after repetitive listening to each of the following adapting syllables: [bae], [phae], [mae], and [vae], indicating that perception ofplace distinctions among the stop consonants can be altered even by repetitive listening to certain speech sounds not belonging to the stop-consonant class. 相似文献
280.
Sheila A. Redmond Ph.D. 《Pastoral Psychology》1996,45(1):41-47
When childhood abuse trauma occurs in a Christian environment, the god representation is disrupted. Despite counseling, the impact of the god of childhood on the lives of child abuse survivors is often not resolved. The impact of the accumulation of child abuse trauma can seriously impair the development of the god image or even cause the god image to die. If a member of the family dies, there is a funeral and a period of socially supported grieving. When god dies, no one holds a funeral. The nature of the Christian god representation necessitates that Christian child abuse survivors grieve the loss of their childhood god if they are to resolve spiritual issues.An earlier form of this paper was given at the American Academy of Religion, November 1994. 相似文献