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PubMed1997

Involvement of the alpha2-adrenergic system in polydipsia in schizophrenic patients: a pilot study.

Animal studies have suggested the involvement of the adrenergic system in drinking behavior. The present study investigated the involvement of the alpha2-adrenergic system in the polydipsia of patients with chronic schizophrenia by use of an alpha2 agonist and an antagonist. Four patients with schizophrenic disorders accompanied by intermittent hyponatremia and polydipsia were the subjects of, and completed, this study. Drinking behavior was assessed by calculating the percent of maximum weight gain [PMWG: (maximum diurnal weight - standard weight) x 100/standard weight]. Standard weight was defined as body weight after 8 h of water restriction. Clonidine (75, 150, and 225 mg/day) increased the PMWG in a dose-dependent manner in the four subjects. In contrast, in three of the subjects, mianserin (30, 60, and 90 mg/day) decreased PMWG, and the severe polydipsia disappeared almost completely. These findings indicate clearly that the alpha2-adrenergic system is involved in the drinking behavior of schizophrenic patients. Mianserin appears to be clinically useful in treating such patients with polydipsia.

Adrenergic alpha-Agonists↗

PubMed2003

Alcohol outcome expectancies and risk for alcohol use problems in women with and without a family history of alcoholism.

Studies have shown that alcohol expectancies are positively associated with drinking and alcohol abuse and dependence symptoms among alcohol users. This study looked at the relationship of alcohol expectancies, family history of alcoholism, menstrual cycle and drinking behavior. The present study compared alcohol expectancies using the Alcohol Expectancy Questionnaire (AEQ) in 85 women ranging from 18 to 35 years of age. Forty-one women had a confirmed parental history of alcoholism (family history positive, FHP) and 44 women had no parental history of alcoholism (family history negative, FHN). Participants' mood, alcohol consumption, and daily consequences of alcohol use were prospectively tracked across one menstrual cycle. Alcohol expectancies at screening were significantly greater in FHP women in four of the six AEQ subscales, as well as the composite score. Alcohol expectancies correlated significantly with drinking behavior among FHN women. In FHP women, alcohol expectancies were elevated regardless of their drinking level. Alcohol expectancies decreased among FHP women, but not FHN women, after prospectively tracking their drinking behavior and consequences of drinking. Negative outcomes of drinking were increased among the FHP women who were heavy drinkers. Irrespective of family history status, alcohol use in moderate drinkers increased significantly during menses compared to the follicular and luteal phases of the menstrual cycle. These findings suggest that menstrual cycle may also play a role in alcohol consumption. Thus, the results of the present study indicate that issues related to the level of alcohol consumption, menstrual cycle phase and family history of alcoholism should be considered when addressing alcohol abuse in women.

Adolescent↗

PubMed2000

The role of interpretation processes and parental discussion in the media's effects on adolescents' use of alcohol.

OBJECTIVE: The process that connects media use with alcohol-related beliefs and behaviors has not been well documented. To address this issue, we examined adolescents' viewing patterns, beliefs about alcohol and media messages, and parental discussion of media messages in the context of a theoretical model of message interpretation processes. Measures included the degree to which adolescents found portrayals desirable, realistic, and similar to their own lives; the degree to which they wanted to be like (identify with) the portrayals; and the degree to which they associated positive outcomes with drinking alcohol (expectancies). DESIGN: Cross-sectional survey. SETTING: Two public high schools in the California central coastal area that include a diverse population in terms of ethnic origin, income level, and education level. PARTICIPANTS: Ninth-grade students (n = 252) and 12th-grade students (n = 326). OUTCOME MEASURES: Students reported the number of days within the past week watching various genres of television content, along with perceptions of realism of content, desirability of portrayals, identification with portrayals, expectancies toward alcohol use, personal norms for alcohol use, desire for products with alcohol logos, current alcohol use, frequency of parental reinforcement, and counter-reinforcement of television messages. Associations were examined via hierarchical multiple regression analysis. RESULTS: Effects of media exposure on drinking behavior, controlling for grade level, ethnicity, gender, household income, and education levels were primarily positive and indirect, operating through a number of intervening beliefs, especially expectancies (beta =.59; r(2) =.33). Direct associations, primarily with exposure to late-night talk shows (beta =.12; r(2) =.01), were small. Parental discussion also affected behavior indirectly, operating through expectancies, identification, and perceived realism. The appeal of products with alcohol logos, which was higher among the younger students (t = 3.44) and predicted by expectancies (beta =. 37; r(2) =.13), sports viewing (beta =.17; r(2) =.03) and late-night talk shows (beta =.10; r(2) =.01), predicted actual drinking behavior (beta =.22; r(2) =.04). Drinking behavior was higher among the older students (t = -2.515). CONCLUSIONS: Adolescents make drinking decisions using a progressive, logical decision-making process that can be overwhelmed by wishful thinking. The potential risk of frequent exposure to persuasive alcohol portrayals via late-night talk shows, sports, music videos, and prime-time television for underage drinking is moderated by parental reinforcement and counter-reinforcement of messages. Interventions need to acknowledge and counter the appeal of desirable and seemingly realistic alcohol portrayals in the media and alert parents to their potential for unintended adverse effects.

Adolescent↗

PubMed2006

Negative affect words prime beer consumption in young drinkers.

Negative affect is consistently associated with pathological aspects of alcohol use. Priming of motivation for alcohol by negative affect cues may contribute to this relationship. This study sought to determine whether: (a) exposure to negative affect words primes actual drinking behavior; (b) this effect is related to severity of alcohol problems; and (c) these effects are moderated by gender and anxiety sensitivity. Prime words (negative, positive, neutral) were administered using a synonym generation task. Primed drinking behavior was measured in a taste-test procedure, using placebo beer. Drinking scores were significantly greater in the negative affect condition than in the other two conditions, which did not differ from each other. Problem drinking severity directly predicted priming effects of negative affect words but was unrelated to drinking in the other two word prime conditions. Anxiety sensitivity was unrelated to drinking in any condition. Even unobtrusive exposure to negative affect cues can prime drinking behavior in young drinkers, and this effect is tied to the severity of alcohol problems.

Adult↗

PubMed1988

The problematic prospects for prevention in the classroom: should alcohol education programs be expected to reduce drinking by youth?

Junior and senior high-school students completed a questionnaire, either once or twice (in successive years), providing measures of variables in three principal sets: (1) curricular variables, those typically addressed in contemporary alcohol education programs (knowledge about alcohol, attitudes toward alcohol, decision-making skills and self-esteem); (2) drinking behavior; and (3) noncurricular variables (demographic and social-psychological traits that typically characterize students before they are exposed to alcohol education programs). Bivariate analyses suggested that the curricular variables are related to drinking behavior, whereas multivariate analyses indicated that these same variables contribute little to the explanation of adolescent drinking when adjusted for the noncurricular variables, most of which are logically and/or chronologically prior to curriculum exposure. It is concluded that contemporary alcohol education programs do address variables that, when considered alone, appear to be related to drinking. However, these same variables make such a small independent contribution to drinking behavior that it is unlikely even a highly successful classroom intervention directed at these variables would do much to prevent alcohol use or abuse by youth.

Adolescent↗

PubMed1986

The reliability of a timeline method for assessing normal drinker college students' recent drinking history: utility for alcohol research.

The test-retest reliability of male (n = 40) and female (n = 40) college students' reports of recent drinking behavior was evaluated using a timeline (TL) procedure. The students also completed a quantity-frequency (QF) questionnaire (Cahalan, Cisin, & Crossley, 1969) often used to categorize subjects' drinking histories in alcohol research studies. The TL-derived data were found to have generally high reliability (usually r's greater than or equal to .87) for both males and females, with males having slightly higher reliabilities overall. Subjects were classified into drinker categories based on the QF questionnaire answers, and the resulting groups were compared using their TL-derived data on quantity, frequency, and quantity X frequency (mean number of drinks per drinking day) measures of drinking. The drinking behavior of subjects (as assessed by the TL) had great variability within the QF categories, and there was extensive overlap between subjects classified by the QF method as heavy, moderate and light drinkers. Thus, QF categorization provides a relatively insensitive measure of individual differences in drinking behavior as compared to TL-derived data. The TL method also can be used to generate a variety of potentially useful dependent variables, whereas the QF method generates a single variable.

Adult↗

PubMed2005

How many drinks did you have on September 11, 2001?

OBJECTIVE: This study tested the predictability of error in retrospective self-reports of alcohol consumption on September 11, 2001, among 80 Vermont light, medium and heavy drinkers. METHOD: Subjects were 52 men and 28 women participating in daily self-reports of alcohol consumption for a total of 2 years, collected via interactive voice response technology (IVR). In addition, retrospective self-reports of alcohol consumption on September 11, 2001, were collected by telephone interview 4-5 days following the terrorist attacks. Retrospective error was calculated as the difference between the IVR self-report of drinking behavior on September 11 and the retrospective self-report collected by telephone interview. Retrospective error was analyzed as a function of gender and baseline drinking behavior during the 365 days preceding September 11, 2001 (termed "the baseline"). RESULTS: The intraclass correlation (ICC) between daily IVR and retrospective self-reports of alcohol consumption on September 11 was .80. Women provided, on average, more accurate self-reports (ICC = .96) than men (ICC = .72) but displayed more underreporting bias in retrospective responses. Amount and individual variability of alcohol consumption during the 1-year baseline explained, on average, 11% of the variance in overreporting (r = .33), 9% of the variance in underreporting (r = .30) and 25% of the variance in the overall magnitude of error (r = .50), with correlations up to .62 (r2 = .38). CONCLUSIONS: The size and direction of error were clearly predictable from the amount and variation in drinking behavior during the 1-year baseline period. The results demonstrate the utility and detail of information that can be derived from daily IVR self-reports in the analysis of retrospective error.

Adult↗

PubMed1986

Reports of paternal alcoholism: reliability across siblings.

Recent studies of the correlates of having an alcoholic relative have relied heavily upon study participants' reports of the drinking behavior of their parents and other near relatives. These investigations have rarely attempted to validate the reports of familial alcohol problems or report on the reliability of information across other family members. The present study examined the reliability of reports of parental drinking behavior in a sample of 88 sibling pairs on versions of the Short Michigan Alcoholism Screening Test adapted so that subjects endorsed items pertaining to their father's (F-SMAST) or mother's (M-SMAST) drinking behavior. Because of the relative infrequency of offspring reports of maternal problem drinking in this sample, only data from the F-SMAST were suited for analysis. Siblings' reports of specific paternal drinking consequences showed relatively low agreement on items requiring inference (e.g., the presence or absence of guilt) and relatively high agreement on items referring to specific behavioral acts or consequences (e.g., seeking help, being arrested, driving under the influence). Global judgments of paternal alcoholism and overall scores on the F-SMAST showed adequate levels of reliability. It is concluded that, although it is always desirable to validate offsprings' reports of relatives' drinking, such reports tend to agree with those of other siblings, and the use of these reports is reasonable when validation is impossible or unfeasible.

Adult↗

PubMed1999

Alcohol consumption in university women: a second look at the role of anxiety sensitivity.

The study reexamined the relationship between anxiety sensitivity (AS) and drinking behavior in a sample of university women (N = 197) taking into account recent theoretical considerations regarding the possible hierarchical nature of the AS construct. To assess the incremental validity of this construct, the amount of variance in drinking behavior accounted for by measures of AS and trait anxiety was investigated with several multiple regression analyses. Contrary to expectations, measures of both constructs failed to account for significant variance in drinking behavior. McNally's [1996: Rapee RM, editor. Current Controversies in anxiety disorders. p 214-244] hypothesis regarding a trait anxiety by AS interaction received weak support as the combination of these two variables accounted for a small (i.e., 1.6%) portion of variance in one drinking variable (viz., monthly intoxication). Correlational analyses revealed only two small and marginally significant associations between the lower-order components of AS (i.e., fears of physical, cognitive, and publicly observable symptoms of anxiety) and the drinking measures. Potential reasons for the failure to replicate or extend Stewart et al.'s [1995: J Anxiety Disord 9:283-392] findings of significant positive associations between AS and both weekly alcohol consumption and excessive drinking are discussed.

Adult↗

PubMedDate not supplied

Determinants of binge drinking and alcohol use by young Australian women.

PROBLEM: There is little empirical research concerning the role and culture of drinking behavior of young women. METHODS: 1,441 female high school students responded to a survey questionnaire containing quantity frequency measures of alcohol consumption and two sex roles scales. The Australian Sex Role Scale and the Women in Society Questionnaire. FINDINGS: Frequency of heavy drinking behaviors such as bingeing and getting drunk were a common occurrence. Levels of alcohol consumption and patterns of bingeing and getting drunk were related to the respondents frequency of drinking. Comparison between the two sex role scales and drinking behavior revealed that frequent and heavy drinkers were more likely to have masculine type personality traits and more liberal and contemporary views on the role of women in society. CONCLUSIONS: Young women who do not conform to traditional sex role stereotyping are likely to engage in what is considered to be risky health behaviors that have traditionally been associated with males.

Adolescent↗

PubMed1988

Pilots' attitudes toward alcohol use and flying.

Questionnaires were sent to a national sample of licensed pilots. Respondents reported their flying experience and their drinking behavior. They also indicated the number of drinks that they believed could be safely consumed 3 hours (h) before flying or driving, and estimated the numbers of hours a person should wait, after drinking, before attempting to fly or drive. Similar questions were included regarding marijuana use. Respondents were much more conservative in their attitudes toward the use of alcohol prior to flying than prior to driving. This relationship held both for the number of drinks judged safe 3 h prior to flying or driving and for estimates of the waiting interval that would be appropriate following alcohol consumption. In addition, attitudes toward alcohol use were related to respondents' own drinking behavior, with moderate and heavy drinkers more tolerant of alcohol use in flying and driving situations than abstainers.

Adult↗

PubMedDate not supplied

Relationship between cumulative exposure to health messages and awareness and behavior-related drinking during pregnancy.

PURPOSE: This paper describes the relationship between exposure to multiple sources of health messages about the risk of drinking during pregnancy and respondents' awareness and behavior related to this risk. DESIGN: Observational study using telephone interview data. SETTING: Exposure to this message occurs via a government warning on alcoholic beverage containers, warning posters in restaurants and bars, and media advertisements. SUBJECTS: Representative nationwide samples of adults were interviewed in 1990 (n = 2,000) and 1991 (n = 2,017), with response rates of 64% and 62%, respectively. MEASURES: Outcomes assessed are knowledge of the alcohol-related risk of birth defects, conversations about drinking during pregnancy, and self-reported reduction of alcohol consumption due to health concerns. RESULTS: Multivariate logistic regression models were used. In the total sample, respondents exposed to one, two, and three different message sources were more likely to converse about drinking during pregnancy than those exposed to no messages (odds ratio = 2.6, 3.8, and 4.1, respectively), while reduced alcohol consumption due to health concerns associated with exposure to two and three different sources (odds ratio = 1.6 and 2.0, respectively). Among women aged 18 to 40, a similar relationship is found for conversations, but it was only among those seeing all three message types that a reduction in consumption was observed (odds ratio = 2.8). Interpretation of these findings are limited because of respondent bias in alcohol consumption, message source exposure, and the cross-sectional nature of the data employed. CONCLUSIONS: These findings support the public health approach of implementing multi-faceted strategies to maximize risk reduction interventions.

Adult↗

PubMed1986

Changes in smoking and alcohol consumption during pregnancy: a population-based study in a rural area.

Changes in smoking and drinking behavior during pregnancy and factors influencing these changes were studied in a typical rural county. Using birth certificates and mailed questionnaires, information was obtained from 255 married women residents of Callaway County, Missouri, who gave birth in a one-year period. The women were much more likely to drink alcohol than to smoke before pregnancy (48.6 versus 28.2%, P less than .01). There was a significant decrease in both smoking and drinking during pregnancy, though the women were much more likely to modify drinking behavior than smoking behavior. Of the women who drank alcohol before pregnancy, 53.2% stopped alcohol consumption completely during pregnancy, while only 16.7% of smokers stopped smoking during pregnancy (P less than .001). Women cited fear for the infant's health as an important factor underlying the decision to decrease these behaviors more often than they did advice from doctor, family, friends, or media, or adverse physical effects of tobacco or alcohol. It was very difficult to predict changes in smoking and drinking behavior during pregnancy on the basis of demographic and behavioral characteristics such as age, income, education, attendance of childbirth classes, desirability of pregnancy, and method of infant feeding.

Adult↗

PubMed1973

Subfornical organ: site of drinking elicitation by angiotensin II.

Angiotensin II applied directly to the subfornical organ in a dose as small as 0.1 nanogram elicited short-latency drinking behavior in water-sated rats. Lesions in the body of this structure blocked drinking induced by angiotensin II applied to the basal telencephalon (including preoptic area). These results call attention to the subfornical organ as an important central nervous structure involved in the conrol of drinking behavior.

Angiotensin II↗

PubMed2003

A ten-year follow-up of older former problem drinkers: risk of relapse and implications of successfully sustained remission.

OBJECTIVE: This study examines the risk, predictors of relapse and the effects of successfully sustained remission on the drinking behavior, functioning, life context, coping and help seeking of older adults who were problem drinkers earlier in life. METHOD: Older former problem drinkers (n = 447) were prospectively followed for 10 years and compared to lifetime nonproblem drinkers. RESULTS: Of former problem drinkers, 31% (n = 141) died over the 10-year interval, a rate 1.6 times higher than that of lifetime nonproblem drinkers. Among surviving former problem drinkers, although relapse was relatively uncommon (11%), a less severe drinking history, heavier baseline alcohol consumption, and lower baseline income were associated with relapse. The majority (63%) of former problem drinkers who successfully achieved sustained remission continued to drink alcohol, though at levels below those consumed by older lifetime nonproblem drinkers (n = 339). Stably remitted problem drinkers who were abstinent (SRAs) generally reported more severe drinking histories, greater functioning and life context deficits and more help seeking than did stably remitted problem drinkers who were nonabstinent (SRNs). Although SRAs and SRNs both experienced improvements in functioning over the 10-year interval, they continued to experience financial, health-related and life context deficits relative to older lifetime nonproblem drinkers. CONCLUSIONS: Results suggest there are long-term costs associated with earlier drinking problems, even when remission is maintained. Both current drinking behavior and drinking history are worth considering when making recommendations regarding older adults' alcohol consumption.

Aged↗

PubMed1998

Enhancement of latent inhibition in the rat by the CCK antagonist proglumide.

The behavioral paradigm of latent inhibition (LI) involves the retardation of conditioning to a stimulus when paired with reinforcement, if preexposure to that stimulus with no significant consequence has occurred. This phenomenon is believed to reflect a process of learning to ignore stimuli as irrelevant. Disruption in LI can be considered to be an attentional deficit observed in schizophrenia. The neuropeptide cholecystokinin (CCK), which coexists with dopamine (DA) in some brain regions, has been implicated in the pathophysiology of schizophrenia. The present study examined the effects of the nonselective CCK antagonist proglumide on LI (0.25, 0.5, and 1.0 mg/kg) using a conditioned suppression of drinking procedure in rats. For purposes of comparison the effects of haloperidol (0.1 mg/kg) were also investigated. Administration of 1.0 and 0.5 mg/kg, but not 0.25 mg/kg, proglumide was found to reduce suppression of drinking behavior in animals preexposed (PE) to a flashing light stimulus. These animals developed LI under conditions where preexposed control animals exhibited suppression of drinking behavior similar to that of nonpreexposed (NPE) control animals. These findings for proglumide were comparable to the effects on drinking behavior of 0.1 mg/kg haloperidol. The enhancement of LI by proglumide may be interpreted in terms of CCK dopamine interactions. Because CCK may modulate dopamine, the results reported here for proglumide strengthen the argument for the investigation of CCK-based drugs as potential antipsychotic agents.

Animals↗

PubMed1998

Enhanced sensitivity of the nucleus accumbens proenkephalin system to alcohol in rats selectively bred for alcohol preference.

Evidence suggests that alcohol-induced activation of the endogenous opioid system is part of a neurobiological mechanism that may be functionally involved in alcohol reinforcement and high alcohol drinking behavior. We postulate that a genetic predisposition toward alcohol drinking is accompanied by increased responsiveness of the opioid system to alcohol. To test this hypothesis, the present study compared the effect of an acute alcohol challenge on enkephalin gene expression in discrete brain regions which are high in preproenkephalin (PPENK) mRNA content and/or are important in mediating alcohol reward in rats selectively bred for alcohol preference (P) or nonpreference (NP). PPENK mRNA content was measured by in situ hybridization performed with a 36 base oligonucleotide probe for PPENK mRNA and was quantified using a computerized image-analysis system. Blood alcohol concentration (BAC) and rate of alcohol elimination following alcohol infusion were similar in P and NP rats. P and NP rats did not differ in basal content of PPENK mRNA in any of the brain areas examined prior to onset of infusion. An intragastric (I.G.) infusion of alcohol (2.5 g/kg b.wt) produced a significant increase in PPENK mRNA in the nucleus accumbens (both shell and core) of P but not NP rats at 1 h after the onset of infusion which coincided with the time at which peak BAC was attained. In contrast, at 8 h after the onset of the alcohol infusion, when BAC was falling toward baseline, PPENK mRNA was decreased in the nucleus accumbens of both P and NP rats and in the anterior striatum and amygdala of NP rats. The results suggest that enhanced responsiveness of the enkephalinergic system to alcohol is associated with, and may be functionally involved in, mediating high alcohol drinking behavior.

Alcohol Drinking↗

PubMed2000

Drinking restraint versus alcohol expectancies: which is the better indicator of alcohol problems?

OBJECTIVE: The relationship between expectancies and other psychological constructs related to drinking is unclear. The current study assesses the power of drinking restraint, measured by the Temptation and Restraint Inventory (TRI), along with alcohol expectancy and drinking refusal self-efficacy, measured by the Drinking Expectancy Profile (DEP), as indicators of alcohol use and problem drinking. METHOD: Volunteer students (N = 359), consisting of 113 men with a mean (+/-SD) age of 25.31 +/- 10.61 years and 246 women with a mean age of 23.04 +/- 8.90, completed the TRI, DEP and Alcohol Dependence Scale (ADS) as well as frequency and quantity measures of self-reported drinking. RESULTS: Drinking Restraint was a stronger indicator of higher scores on the ADS, accounting for 54% and 45% of the variance for men and women, respectively, with Alcohol Expectancies and Drinking Refusal Self-Efficacy being the better indicator of frequency of alcohol consumption, accounting for 20% of the variance for men and 26% for women. Both measures were represented by similar variances within the quantity of drinking measure. CONCLUSIONS: Drinking restraint and alcohol expectancies were seen to measure kindred but unique cognitive subsets, providing further insight into the progression of alcohol problems. Alcohol expectancies and drinking refusal self-efficacy may be acquired early in the development of drinking behavior, as evidenced by stronger associations with risky drinking; drinking restraint and its associated loss of control factors appear to be more specifically related to problem drinking. Alcohol expectancy and drinking refusal self-efficacy may thus have broader use in the assessment of drinking behavior.

Adolescent↗