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41.
Stewart H. Hulse 《Psychonomic bulletin & review》1994,1(3):318-322
In this comment, I examine Amsel’s theory in the light of rats’ reaction not to frustrative non-reward per se, but to the more complicated case in which frustrative nonreward is part of a rule-based sequence of reward quantities. The discussion goes beyond Amsel’s emphasis on dispositional memory to consider cognitive and representational memory—the signaling properties of reinforcement and nonreinforcement. The strengths and weaknesses of Amsel’s theory are discussed with the fresh perspective that this viewpoint provides, and some issues emerge that may be fruitful for further study. 相似文献
42.
Stewart G. Wolf M.D. 《Integrative psychological & behavioral science》1994,29(1):74-76
The study included 17 patients, 12 women and 5 men, with a recurrent symptom complex involving chest pain and dyspnoea characterized
by inability to get a full breath. Some attacks had subsided spontaneously. Others had lasted hours or days. When examined
by fluoroscopy during an attack, each subject was found to have a nearly maximally contracted (flat) diaphragm. In some of
them the attack was promptly interrupted by a small intravenous injection of sodium amytal. In others it could be aborted
by a conscious effort at full expiration. The syndrome associated with diaphragmatic spasm is discussed in comparison with
other noncardiac sources of chest pain and dyspnoea. 相似文献
43.
44.
H. Nicholas Nagel Lewis P. Shapiro Betty Tuller Rebecca Nawy 《Journal of psycholinguistic research》1996,25(2):319-344
We present three experiments designed to investigate the role of prosody during sentence processing. The first investigated the question of whether an utterance's prosodic contour influences its comprehension on-line. We spliced the beginning and end portions of direct object and embedded clause sentences and observed the consequent effects on comprehension using a dual-task procedure to measure processing load. Our second experiment sought to determine-whether the constituent structure of these sentences could be reliably predicted using prosodic information. We found that the duration and F0 contour associated with the main-clause verb and the following NP reliably distinguished between the direct object and embedded clause constructions. In the final experiment, we manipulated the duration of the main-clause verb and found that subjects used this information to guide their initial parse during on-line sentence comprehension. The need for a model of sentence processing that addresses the use of prosodic information is discussed.The work reported in this paper was supported in part by NTH grant DC00494. 相似文献
45.
A linear integral equation for a system of mutually impeding points is developed and solved explicitly. Particular solutions are shown to be subharmonic functions for a large class of stimuli. Specialized forms of the general equation presented in this paper occur within a number of mathematical models of Mach bands. In addition to these known spatial properties, our results also show that the time course of this basic equation may be useful in developing models of transient neural activity as well as of temporal psychophysical phenomena, such as the Broca-Sulzer effect. Further, a spatial transfer function much like the low-frequency cutoff of empirically derived modulation transfer functions follows directly from our basic integral equation if the additional assumption of spatial homogeneity is imposed. 相似文献
46.
Two experiments determined the influence of the range and number of auditory sensory consequences, associated with a rapid timing task, on the development of motor recognition. Experiment 1 observed no beneficial effect upon subsequent movement-transfer performance from experience with the criterion-movement-time sound compared to experience with either a narrow or a wide range of sounds that bracketed the criterion sound (not including the criterion); 60 sound trials prior to transfer did not produce better transfer than did six sounds. The second experiment examined transfer outside of the range of previous listening experience by having subjects transfer to one of two possible criterion movement times after having received either constant, or one of two types of variable, listening experience. Transfer performance was influenced by the amount of variability in listening experience. These results were seen as support for a schematic representation for motor recognition memory (Schmidt, 1975) 相似文献
47.
This study manipulated independently whether help seeking and task performance were public or private, since in public settings persons may lose esteem by seeking help or by demonstrating unsuccessful performance. Subjects were given false feedback that they were doing poorly on a task involving judging levels of neuroticism in others, and were given all opportunity to seek help by consulting a set of guidelines. The main result was an interaction with help seeking most likely when task performance was public and help seeking was private. 相似文献
48.
49.
Young, severely maladaptive autistic children with some speech competence were compared to normally developing 3-year-old children of lower and middle class and 5-year-olds of lower class on negation tasks. All subjects were shown 12 sets of cards depicting negative contrasts designed to elicit semantic categories of nonexistence, denial, and rejection and were tested for production, imitation, and comprehension. Syntactic and semantic analysis revealed that autistic children were superior imitators and poor producers but showed skills in comprehension comparable to a 4-year-old's level of functioning. While retarded in some functions, the experimental group produced syntactic structures that were more rigid, suggesting the significantly greater use of imitation as a major strategy in linguistic coding.This work was done at the NYU-Bellevue Medical Center with partial support by NIMH Grant No. MH 07331 to R. K. 相似文献
50.
Stewart and Nejedlo discuss the use of the Career Development Pyramid as a model for career development and as a practical aid in career counseling. The model graphically depicts the synergistic relations of career choice factors, life-style, self-concept, and the specific job. The authors discuss the relationship between the quadrihedral model and current career development theories. They suggest applied uses of the pyramid and provide a working plan for copy and use by career development counselors. 相似文献