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71.
Ben R. Clower O. J. Andy M. Montalvo D. Peeler 《Integrative psychological & behavioral science》1979,14(2):86-92
The physiologic contribution of the limbic brain to emotionally induced stress is still poorly understood. The present study is designed to more specifically evaluate the role of the hippocampus in stress induced plasma 17-OHCS elevations. The conditional reflex to a sequential presentation of tone and shock was used as the stress agent in adult mongrel dogs. Plasma 17-OHCS levels were determined by the Porter-Silber method. Control and stress levels of 17-OHCS were determined before and after unilateral (left) hippocampectomy, and subsequent contralateral (right) hippocampectomy. A unilateral posterior hippocampal lesion partially attenuated (20%) the normal 17-OHCS stress response. In contrast to unilateral lesions, equivalent bilateral posterior hippocampal lesions abolished the normal 17-OHCS stress response. These observations support the thesis that the elevated 17-OHCS levels in response to the conditioning paradigm is dependent on the hippocampus. Furthermore, it is dependent upon the continuity of the hippocampal circuit and not upon the volumetric steroid binding capacity of the hippocampus. These studies also suggest that a unilaterally functioning hippocampus may be adequate to meet the physiologic needs of stress, as reflected by the 17-OHCS response. Presented at the 1978 meeting of the Pavlovian Society, St. Petersburg, Florida. 相似文献
72.
Structured experiences such as sculpting, psychodrama, rôle-play and growth games are frequently used in family therapy. This article puts forward a framework for the use of structured experiences which can be used in the context of a family session to ensure that the family will gain the maximum learning and change. Use of the framework is illustrated with examples from practice. 相似文献
73.
Joanne Silvester Neil Anderson Emma Haddleton Nicole Cunningham-Snell Andy Gibb 《International Journal of Selection & Assessment》2000,8(1):16-21
Although there has been an increase in the use of telephone interviews for graduate recruitment by companies in the UK, there is little evidence attesting to their equivalence with traditional face-to-face selection interviews. A total of 70 candidates applying to a multinational oil corporation received both face-to-face and telephone interviews as the first stage of the 1996 graduate recruitment milkround. Group A (N = 41) received an initial face-to-face interview followed by a telephone interview and group B (N = 29) a telephone interview followed by a face-to-face interview. Findings indicate that candidates received significantly lower ratings when interviewed by telephone than when interviewed face-to-face (p ≤ 0.001). A significant interaction was also found (p ≤ 0.05) with candidates who received face-to-face interviews following telephone interviews demonstrating improved performance in their face-to-face interviews. The practical implications of these findings for companies wishing to use telephone interviews are discussed. 相似文献
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Andy P. Field 《Consciousness and cognition》2001,10(4):559-66; discussion 567-73
Fulcher and Hammerl's (2001) important exploration of the role of contingency awareness in evaluative conditioning (EC) raises a lot of issues for discussion: (1) what boundaries, if any, exist between EC and affective learning paradigms?; (2) if EC does occur without awareness does this mean it is nonpropositional learning?; (3) is EC driven by stimulus-response (S-R), rather than stimulus-stimulus (S-S), associations and if so should it then surprise us that contingency awareness is not important?; and (4) if S-R associations are at the heart of EC, should we automatically assume EC is part of a different learning mechanism to autonomic Pavlovian conditioning (Field, 2000a, 2000b)? This article, after a critical review of Fulcher and Hammerl's work, discusses these issues with reference to what can be realistically inferred about the mechanisms underlying EC. 相似文献
76.
Andy Egan 《Philosophical Studies》2007,133(1):1-22
I think that there are good reasons to adopt a relativist semantics for epistemic modal claims such as ``the treasure might
be under the palm tree', according to which such utterances determine a truth value relative to something finer-grained than
just a world (or a <world, time> pair). Anyone who is inclined to relativise truth to more than just worlds and times faces
a problem about assertion. It's easy to be puzzled about just what purpose would be served by assertions of this kind, and
how to understand what we'd be up to in our use of sentences like ``the treasure might be under the palm tree', if they have such peculiar truth conditions. After providing
a very quick argument to motivate a relativist view of epistemic modals, I bring out and attempt to resolve this problem in
making sense of the role of assertions with relativist truth conditions. Solving this problem should be helpful in two ways:
first, it eliminates an apparently forceful objection to relativism, and second, spelling out the relativist account of assertion
and communication will help to make clear just what the relativist position is, exactly, and why it's interesting.
Thanks to Brian Weatherson, John Hawthorne, Daniel Stoljar, Frank Jackson, Ben Blumson, Seth Yalcin, Karen Bennett, Kent Bach,
Matthew Weiner, Jonathan Kvanvig, Eric Swanson, David Chalmers, Agustin Rayo, Dustin Locke, Aaron Bronfman, Michael Allers,
Ivan Mayerhofer, and to the participants at the BSPC 2005 for helpful discussion. 相似文献
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Scarcity has been found to intensify value, positive or negative, rather than simply enhancing it. Some researchers have proposed that scarcity affects value by increasing how much attention is paid to a stimulus. We conceptualized sustained attention as stronger engagement and operationalized a situation of scarcity by telling participants who were choosing between two objects that the object that was chosen would then be replaced (Replenish) or not replaced (Scarce). To distinguish sustained attention-stronger engagement in a situation of scarcity from grabbing attention (salience from distinctiveness), the choice was between one option with a single instance (solitary-high salience) and a second option with several duplicates (abundant-low salience). We predicted that stronger engagement from a situation of scarcity would, first, intensify the value of the chosen item regardless of whether it was solitary or abundant, with positive items becoming more positive and negative items becoming more negative, and second, the stronger engagement from the situation of scarcity would transfer intensification to another separate object in the same setting. The results of Studies 1 and 2 supported both of these predictions. Study 3 tested a boundary condition for these scarcity–engagement effects in terms of how real participants experienced the choice items to be, where ‘realness’ is another source of engagement strength. As expected, the scarcity–engagement effect on intensifying value was replicated for participants who experienced the activity as real but was eliminated for those who did not. 相似文献