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31.
Two groups of rats were trained on a signaled, free-operant, avoidance procedure to lick or to lever press in order to avoid shock while water-deprived or satiated and, in the case of licking, while ingesting deionized water, isotonic saline, or 10% sucrose. The most effective avoidance licking occurred while the rats were water-deprived and ingesting 10% sucrose. Water deprivation level had no effect on lever pressing for shock avoidance. Two other groups of rats were operantly conditioned to lick or to lever press for food pellets while waterdeprived or satiated and, in the case of licking, while ingesting deionized water or 10% sucrose. The most effective licking for food reinforcement occurred while the rats were water-deprived and ingesting 10% sucrose. Water deprivation level had no effect on lever pressing for food reinforcement. The data indicated that effective operant licking must be supported by factors related to water regulation and taste palatability. 相似文献
32.
On the basis of cybernetic models of speech it was hypothesized that “stuttering” induced by delayed auditory feedback could be significantly reduced if the Ss were provided with an alternate input to which they could attend. The results of the experiment supported the hypothesis. The possible implications for the treatment stuttering are discussed. 相似文献
33.
Michael Natale 《Brain and language》1977,4(1):32-44
Two groups of right-handed young adults were tested on a series of handedness measures and on dichotic nonverbal rhythmic sequences. Cross-validated multiple regression analysis revealed that all of the cerebral-lateralization/manual-praxis measures were positively related to the degree of left-hemisphere perceptual asymmetry for nonverbal rhythms (Crawford peg, scissor, handwriting, Crawford screws, tracing, total R = .67). Seventeen of the 52 subjects manifested significant (p < .05) left-hemisphere laterality coefficients for the dichotic stimuli. More complex rhythms elicited greater left-hemisphere perceptual preference. The results are discussed in reference to the concept of cerebral lateralization. 相似文献
34.
The semantic and pragmatic strategies in the comprehension of spoken texts are investigated in four subgroups of aphasic patients and in normal and brain-damaged controls. Short texts of similar linguistic structure were read to the subjects, who were required to choose the picture, from a multiple choice set of five, that was appropriate to the story. Besides a picture showing the main event of the story, one picture depicted the literal sense of a metaphorical comment, and the others misrepresented semantic functions expressed in the text. With respect to these types of responses, both aphasics and controls exhibited the same pattern of reaction. It is concluded that the redundancy of texts makes up for the difficulties aphasics have in comprehending isolated words and sentences. 相似文献
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36.
In two experiments, rats received noncontingent pairings of two stimuli with food reward, one paired with small reward and the other with large reward, and received bar press training with large reward or with small reward. When the noncontingent stimuli (NS) were presented for test during subsequent rewarded bar pressing and during early extinction of bar pressing, responding for each group was faster in the presence of the NS which was paired with the same reward magnitude that group received in bar press training than to the NS which had been paired with a different reward magnitude. As extinction progressed, all groups responded more slowly in the presence of the NS which had been paired with the large reward than in the presence of the NS which had been paired with small reward. These results were interpreted as indicating that responding in the presence of an NS depends on: (i) whether the reward expectancy elicited by the NS has been conditioned to the instrumental response, and (ii) the relationship between the reward expected in the presence of the NS and that received in test. 相似文献
37.
Marriage practices in the Majority world may differ considerably from dominant cultural ideals in the Minority world of ‘romantic love’ and ‘companionate marriage’ based on monogamous relationships. Similarly, mourning in the ‘Rest’ of the world often diverges from assumptions within Anglophone bereavement studies of a ‘grieving journey’. This paper provides a gendered, spatial, relational analysis of responses to the death of a spouse in Senegal, based on in-depth interviews with Serer women and men in rural and urban communities. A heightened sense of relationality with the deceased surrounded widows' bodies, with permeable boundaries that needed to be contained and “purified” through widowhood-mourning practices in order to restore social cohesion. For men, the space of the home was transformed, sometimes unbearably, by the loss of a wife and mother due to their central role in home-making practices, transforming men's relational being. ‘Embodied relationality’, alongside material constraints, also shaped perspectives on remarriage. The paper reveals the diverse material, embodied, spatial, and often explicitly gendered, ways that the effects of the death of a spouse may be manifested in the experience of the living person and draws attention to the permeable embodied boundaries of ‘relational being’ that encompass the living and the dead. 相似文献
38.
Amanda Dowd 《The Journal of analytical psychology》2020,65(2):300-324
Originally presented at the Journal’s one day conference entitled ‘Displacement: Contemporary Traumatic Experience’ held in London in November 2019, this paper expands on the author’s theory of the implicit psychological organizing gestalt, an associated pattern of psychic functions which operate in an integrated way to simultaneously structure and organize our experience of self-cohesion and self-continuity. The gestalt, which implicitly links the formation of psychic skin, body image, cultural skin and both personal and cultural identity with place, functions as an emergent non-conscious permanent presence or background ‘constant’. It develops over time and emerges out of embodied emotional experiencing with the total environment – both human and non-human. The author argues that it is the rupture of this gestalt and the disorganizing consequences of its loss which underlies the experience of displacement trauma. If disruptions in the formation of the gestalt and/or its later rupture remain unrecognized and unrepresented then the absence creates a void which can be intergenerationally transmitted. Case material is presented which describes this and which highlights the ways in which the gestalt can contribute to our understanding of collective displacement anxiety, cultural trauma and cultural complexes. 相似文献
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40.
Catherine L. Jones Iryna Culpin Jonathan Evans Rebecca M. Pearson 《Infant mental health journal》2020,41(1):82-93
Our objective was to examine the differential effects of antenatal breastfeeding intention (BI) and breastfeeding practice (BP) on maternal postnatal responsiveness. We conducted a secondary analysis of longitudinal data from a subsample of 962 mother–infant dyads from a U.K.-based birth cohort study the Avon Longitudinal Study of Parents and Children. Exposures were BI and BPs measured at 32 weeks of gestation and 18 months’ postpartum. The outcome was maternal responsiveness assessed at 12 months’ postpartum. We used logistic regression analyses unadjusted and adjusted for confounders. Intention to breastfeed was associated with increased odds of postnatal maternal responsiveness independent of BP, adjusted odds ratio (OR) = 2.34, 95% CI [1.42, 3.86]. There was no evidence that BP was an independent predictor of maternal responsiveness, OR = 0.93, 95% CI [0.55, 1.57]. Life-course epidemiology analyses demonstrated that maternal responsiveness is most positive when both BI and BP are present. This is the first population-based study to provide evidence that BI during pregnancy is more strongly associated with maternal postnatal responsiveness than is BP. Further research is needed to understand the determinants of BI in pregnancy and its relationships with maternal responsiveness. 相似文献