The Role of Identity Commitment and Selective Interaction Strategies on the Drinking Behavior of Simulated Agent Interactions

Author(s):  
Jason Martinez ◽  
Ben G. Fitzpatrick
2020 ◽  
Author(s):  
Sarah A Griffin ◽  
Timothy J Trull

Objectives: Using Ecological Momentary Assessment methods (EMA) we aimed to investigate the influence of trait and state (momentary) impulsivity on alcohol use behaviors in daily life. Facets of the UPPS trait model of impulsivity (Whiteside and Lynam, 2001) have been found to differentially relate to alcohol-related outcomes and behaviors in cross-sectional and longitudinal studies. The present work expands on this by assessing UPPS facets in daily life and examining the contributions of trait and state impulsivity facets to daily life drinking behavior. Methods: 49 participants were prompted at least six times per day for 21 days. A total of 4,548 collected EMA reports were included in analyses. Multi-level models were computed predicting daily life alcohol use behaviors from state and trait impulsivity facets and relevant covariates. Results: Individual facets of momentary impulsivity differentially related to alcohol outcomes, such that (lack of) premeditation and, to a lesser extent, sensation seeking showed unique patterns of association with drinking and drinking quantity. Only trait levels of (lack of) premeditation were related to drinking behavior in daily life; no other trait UPPS scale significantly related to alcohol use. Conclusions: These results highlight state difficulties with premeditation as particularly relevant to drinking behavior in daily life. Our results also support the incremental validity of state impulsivity facets over trait level measures in relation to drinking behavior in daily life. These findings offer important insight into the phenomenology of daily-life alcohol use and highlight possible avenues for intervention and prevention efforts. Public Health Statement: Momentary fluctuations in premeditation predict alcohol use in daily life. Treatments targeting planning or forethought in relation to alcohol use may interrupt this process contributing to daily life drinking behaviors.


Author(s):  
Dorota Czyżowska ◽  
Ewa Gurba ◽  
Natalia Czyżowska ◽  
Alicja Kalus ◽  
Katarzyna Sitnik-Warchulska ◽  
...  

The main research objective of this study was seeking the predictive role of closeness to parents, attachment, identity style, identity commitment, type of relationship, and having children in intimacy among young women and men. Many studies indicate differences in the level of engagement, communication, and satisfaction in relationships. The study group comprised 227 people, including 114 women (M = 29.99; SD = 4.36), and 113 men (M = 30.00; SD = 4.33). A total of 40% of the subjects were married, and the remaining 60% subjects were in informal relationships; 101 people had children and the other individuals were childless. The following instruments were used: The Miller Social Intimacy Scale, questionnaires to assess closeness and attachment, and the Identity Style Inventory. The significance of the differences and the stepwise regression analysis were performed. The results of the study demonstrated a higher level of intimacy in a relationship with a partner among women than men. The nature of a relationship does not matter to the sense of intimacy. However, closeness to parents during childhood and adolescence, the model of interpersonal relations, and the identity style are predictors of intimacy in a relationship. The study results can be used in creating preventive and educational programs focused on family life and satisfied relationships.


Hypertension ◽  
2015 ◽  
Vol 66 (suppl_1) ◽  
Author(s):  
Takuto Nakamura ◽  
Masanobu Yamazato ◽  
Akio Ishida ◽  
Yusuke Ohya

Objective: Aminopeptidase A (APA) have important role in conversion of Ang II to Ang III. Intravenous APA administration lowers blood pressure in hypertensive rats. In contrast, APA inhibition in the brain lowers blood pressure in hypertensive rats. Therefore APA might have different role on cardiovascular regulation. However, a role of APA and Ang III on cardiovascular regulation especially in the brain has not been fully understood. Our purpose of present study was to investigate a role of APA and Ang III in the brain on cardiovascular regulation in conscious state. Method: 12-13 weeks old Wistar Kyoto rat (WKY) and 12-16 weeks old spontaneously hypertensive rat (SHR) were used. i) APA distribution in the brain was evaluated by immunohistochemistry. Protein expression of APA was evaluated by Western blotting. Enzymatic activity of APA was evaluated using L-glutamic acid γ-(4-nitroanilide) as a substrate. ii) WKY received icv administration of Ang II 25ng/2μL and Ang III 25ng/2μL. We recorded change in mean arterial pressure (MAP) in conscious and unrestraied state and measured induced drinking time. iii) SHR received icv administeration of recombinant APA 400ng/4μL. We recorded change in MAP in conscious and unrestraied state and measured induced drinking time. Result: i) APA was diffusely immunostained in the cells of brain stem including cardiovascular regulatory area such as rostral ventrolateral medulla. Protein expression and APA activity in the brain were similar between WKY (n=3) and SHR (n=3).ii) Icv administration of Ang II increased MAP by 33.8±3.8 mmHg and induced drinking behavior for 405±90 seconds (n=4). Icv administration of Ang III also increased MAP by 24.7±2.4 mmHg and induced drinking behavior for 258±62 seconds (n=3). These vasopressor activity and induced drinking behavior was completely blocked by pretretment of angiotensin receptor type 1 blocker.iii) Icv administration of APA increased MAP by 10.0±1.7 mmHg (n=3). Conclusion: These results suggested that Ang III in the brain increase blood pressure by Angiotensin type 1 receptor dependent mechanism and APA in the brain may involved in blood pressure regulation as a vasopressor enzyme.


Author(s):  
E. A. Budygin

Despite many years of work on dopaminergic mechanisms of alcohol addiction, much of this evidence remains mostly correlative in nature. Fortunately, the latest technological advances have provided the opportunity to explore the causal role of neurochemical changes within brain regions involved in addictive behaviors. In this work using optogenetics, we have attempted to answer the question of how dopamine release dynamics control the motivational component of alcohol drinking behavior.


2015 ◽  
Vol 73 ◽  
pp. 15-22 ◽  
Author(s):  
Andreas Stengel ◽  
Hiroshi Karasawa ◽  
Yvette Taché

Author(s):  
Neil E. Rowland

Thirst is a specific and compelling sensation, often arising from internal signals of dehydration but modulated by many environmental variables. There are several historical landmarks in the study of thirst and drinking behavior. The basic physiology of body fluid balance is important, in particular the mechanisms that conserve fluid loss. The transduction of fluid deficits can be discussed in relation to osmotic pressure (osmoreceptors) and volume (baroreceptors). Other relevant issues include the neurobiological mechanisms by which these signals are transformed to intracellular and extracellular dehydration thirsts, respectively, including the prominent role of structures along the lamina terminalis. Other considerations are the integration of signals from natural dehydration conditions, including water deprivation, thermoregulatory fluid loss, and thirst associated with eating dry food. These mechanisms should also be considered within a broader theoretical framework of organization of motivated behavior based on incentive salience.


1991 ◽  
Vol 260 (6) ◽  
pp. R1194-R1199
Author(s):  
F. R. Bell ◽  
S. L. Lightman ◽  
A. Simmonds

We have investigated the rapid changes in plasma prolactin and arginine vasopressin (AVP) associated with water satiation in ruminants. Sheep deprived of water for 72 h were allowed voluntary access to ad libitum water. Each sheep drank approximately 5 liters in a single draft. This was performed in a head-down position, which was maintained for approximately 2-3 min and ceased rapidly with an abrupt movement to the upright position. During dehydration, plasma sodium, osmolality, and AVP all increased significantly, but prolactin was unaffected. On rehydration, AVP fell to basal levels within 5 min, but prolactin increased as a short pulse, after which it rapidly fell again. Plasma sodium and osmolality returned to predehydration levels within 6 h of satiation. A possible role of dopaminergic mechanisms in these responses was investigated by the administration of the dopamine agonist bromocriptine or the antagonist metoclopramide. Neither of these agents had any observable effects on the drinking behavior of the sheep during water satiation. During metoclopramide treatment, dehydration was associated with a marked fall in prolactin, and on rehydration there was a prompt and very marked increase in prolactin level. There was also an exaggerated increase of AVP during dehydration and a decrease on rehydration. Bromocriptine had relatively little effect on prolactin responses but prevented the drinking-associated inhibition of AVP, demonstrating an unexpected dissociation between AVP secretion and the stereotyped drinking response.


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