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Typus
BauernOpfer
Bearbeiter
Graf Isolan
Gesichtet
Yes.png
Untersuchte Arbeit:
Seite: 40, Zeilen: 9-20
Quelle: Beckner 2004
Seite(n): vii, 103, Zeilen: vii:14-16; 103:8-16
Beckner and colleagues (2006) recently addressed these discrepant findings by attempting to parse the effects of an acute psychosocial stressor on these separate memory processes by varying the timing of the stressor. The psychosocial stressor (preparation for an expected public speech) was applied at three different time points (and compared with no-stress controls); prior to stimulus presentation and initial learning, immediately after stimulus presentation/learning, and just before memory testing 48 hours later. Both verbal and visual memory retention was measured using a film stimulus. Specifically, it was hypothesized that stress would exert a facilitative effect on encoding and consolidation processes and a detrimental effect on retrieval. While De Quervain and colleagues (2000) have used a similar paradigm using glucocorticoid administration as the manipulation, this study was the first to do so employing a psychological stressor to investigate the effects of stress and endogeneously-released cortisol on each memory phase in a human sample.

Beckner, V.E., Tucker, D.M., Delville, Y., & Mohr, D.C. (2006). Stress facilitates consolidation of verbal memory for a film but does not affect retrieval. Behavioural Neuroscience, 120, 518-527.

de Quervain, D.J., Roozendaal, B., Nitsch, R.M., McGaugh, J.L., & Hock C. (2000). Acute cortisone administration impairs retrieval of long-term declarative memory in humans. Nature Neuroscience, 3, 313-314.

[Page vii]

The purpose of the current study was to parse the effects of an acute psychosocial stressor on these separate memory processes by varying the timing of the stressor.

[Page 103]

The psychosocial stressor (preparation for an expected public speech) was applied at 3 different time points (and compared with no-stress controls): prior to stimulus presentation and initial learning, immediately after stimuli presentation/learning, and just before memory testing 48 hours later. Specifically, it was hypothesized that stress would have a facilitative effect on encoding and consolidation processes and a detrimental effect on retrieval. While De Quervain and colleagues (2000) have used a similar paradigm using glucocorticoid administration as the manipulation, this study is the first to do so using a psychological stressor to investigate the effects of stress and endogeneously-released cortisol on each memory phase in a human sample.


De Quervain, D. J., Roozendaal, B., Nitsch, R. M., McGaugh, J. L., & Hock, C. (2000). Acute cortisone administration impairs retrieval of long-term declarative memory in humans. Nature Neuroscience, 3, 313-314.

Anmerkungen

Mostly taken verbatim without the source being named.

Interestingly one cannot find the parallel text in the publication Beckner et al. (2006), which is mentioned by the author.

Sichter
(Graf Isolan), Hindemith

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