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The effects of caffeine withdrawal o...

Walker, Donna Marie.

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The effects of caffeine withdrawal on mood and physiological well-being.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	The effects of caffeine withdrawal on mood and physiological well-being./
作者:	Walker, Donna Marie.
面頁冊數:	130 p.
附註:	Source: Dissertation Abstracts International, Volume: 62-08, Section: B, page: 3840.
Contained By:	Dissertation Abstracts International62-08B.
標題:	Psychology, Clinical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3023334
ISBN:	0493348077

The effects of caffeine withdrawal on mood and physiological well-being.
Walker, Donna Marie.

The effects of caffeine withdrawal on mood and physiological well-being. - 130 p.

Source: Dissertation Abstracts International, Volume: 62-08, Section: B, page: 3840.

Thesis (Ph.D.)--Hofstra University, 2001.

The current study examined the effects of caffeine withdrawal on mood and physiological well-being. This study examined both baseline and withdrawal periods of the dependent measures in a simple phase change design. The independent variable in this study was the phases of caffeine consumption: Normal Caffeine Intake (A), Caffeine Deprivation (B), and Return to Normal Caffeine Intake (A). The dependent variables included: self-report physiological and affective measures as measured by a Caffeine Withdrawal Symptoms Questionnaire (Griffiths, et al., 1990) and the Multiple Affect Adjective Checklist - Revised (Lubin & Zuckerman, 1999). The level of caffeine intake was also assessed using a self-report caffeine diary.

ISBN: 0493348077Subjects--Topical Terms:

524864
Psychology, Clinical.

The effects of caffeine withdrawal on mood and physiological well-being.
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245 1 0 $a The effects of caffeine withdrawal on mood and physiological well-being.
300 $a 130 p.
500 $a Source: Dissertation Abstracts International, Volume: 62-08, Section: B, page: 3840.
500 $a Sponsor: Mitchell L. Schare.
502 $a Thesis (Ph.D.)--Hofstra University, 2001.
520 $a The current study examined the effects of caffeine withdrawal on mood and physiological well-being. This study examined both baseline and withdrawal periods of the dependent measures in a simple phase change design. The independent variable in this study was the phases of caffeine consumption: Normal Caffeine Intake (A), Caffeine Deprivation (B), and Return to Normal Caffeine Intake (A). The dependent variables included: self-report physiological and affective measures as measured by a Caffeine Withdrawal Symptoms Questionnaire (Griffiths, et al., 1990) and the Multiple Affect Adjective Checklist - Revised (Lubin & Zuckerman, 1999). The level of caffeine intake was also assessed using a self-report caffeine diary.
520 $a Participants included five normal adults who reported moderate to high caffeine consumption. To be eligible for the study, participants had to be habitual caffeine consumers (for at least 6 months) who consistently consumed over 300 mg of caffeine per day (as assessed by a dietary caffeine survey). During the study, participants consumed their normal amount of caffeine on days 1 and 2, or until stability was reached (Baseline I), abstained from caffeine on days 3–5 (Withdrawal phase), and resumed their normal level of caffeine on days 6–7 (Baseline II). Participants completed the self-report affective and physiological measures three times per day during both the baseline and withdrawal phases. In an effort to increase compliance with regard to caffeine abstinence the experimenter employed a “bogus pipeline” (Jones & Sigall, 1971) procedure. It required participants to provide salivary samples to “reveal” caffeine concentrations, which were not actually measured.
520 $a Each subject's data was analyzed individually by examining trends over time and conditions. Changes over all participants were also analyzed. In line with the hypotheses, the most prevalent caffeine withdrawal symptoms that were found in this study were impaired ability to do work or thought related activities, decreased well-being, energy, and alertness and increased headaches, fatigue, irritability, and drowsiness. Less prevalent symptoms that were reported were decreased desire to socialize, decreased positive affect/sensation seeking, and increased flu-like symptoms. In addition, as hypothesized, all participants experienced withdrawal symptoms within 12–24 hours of caffeine deprivation and generally peaked in symptomatology by 48 hours of withdrawal. The results of this study provide further support for the inclusion of a Caffeine Withdrawal Syndrome in future diagnostic manuals.
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791 $a Ph.D.
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