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Articles 1 - 30 of 48
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Neuroanatomical Substrates Of The Disruptive Effect Of Olanzapine On Rat Maternal Behavior As Revealed By C-Fos Immunoreactivity, Changjiu Zhao, Ming Li
Neuroanatomical Substrates Of The Disruptive Effect Of Olanzapine On Rat Maternal Behavior As Revealed By C-Fos Immunoreactivity, Changjiu Zhao, Ming Li
Department of Psychology: Faculty Publications
Olanzapine is one of the most widely prescribed atypical antipsychotic drugs in the treatment of schizophrenia. Besides its well-known side effect on weight gain, it may also impair human parental behavior. In this study, we took a preclinical approach to examine the behavioral effects of olanzapine on rat maternal behavior and investigated the associated neural basis using the c-Fos immunohistochemistry. On postpartum Days 6–8, Sprague-Dawley mother rats were given a single injection of sterile water or olanzapine (1.0, 3.0 or 5.0 mg/kg, sc). Maternal behavior was tested 2 h later, after which rats were sacrificed and brain tissues were collected. …
Spectrum Of Acute Clinical Characteristics Of Diagnosed Concussions In College Athletes Wearing Instrumented Helmets, Ann-Christine Duhaime,, Jonathan G. Beckwith, Arthur C. Maerlender, Thomas W. Mcallister, Joseph J. Crisco, Stefan M. Duma, P. Gunnar Brolinson, Steven Rowson, Laura A. Flashman, Jeffrey J. Chu, Richard M. Greenwald
Spectrum Of Acute Clinical Characteristics Of Diagnosed Concussions In College Athletes Wearing Instrumented Helmets, Ann-Christine Duhaime,, Jonathan G. Beckwith, Arthur C. Maerlender, Thomas W. Mcallister, Joseph J. Crisco, Stefan M. Duma, P. Gunnar Brolinson, Steven Rowson, Laura A. Flashman, Jeffrey J. Chu, Richard M. Greenwald
Department of Psychology: Faculty Publications
Object. Concussive head injuries have received much attention in the medical and public arenas, as concerns have been raised about the potential shortand long-term consequences of injuries sustained in sports and other activities. While many student athletes have required evaluation after concussion, the exact definition of concussion has varied among disciplines and over time. The authors used data gathered as part of a multiinstitutional longitudinal study of the biomechanics of head impacts in helmeted collegiate athletes to characterize what signs, symptoms, and clinical histories were used to designate players as having sustained concussions.
Methods. Players on 3 college …
The Role Of Emotional Reactivity, Self-Regulation, And Puberty In Adolescents' Prosocial Behaviors, Gustavo Carlo, Lisa J. Crockett, Jennifer M. Wolff, Sarah J. Beal
The Role Of Emotional Reactivity, Self-Regulation, And Puberty In Adolescents' Prosocial Behaviors, Gustavo Carlo, Lisa J. Crockett, Jennifer M. Wolff, Sarah J. Beal
Department of Psychology: Faculty Publications
This study was designed to examine the roles of emotional reactivity, self-regulation, and pubertal timing in prosocial behaviors during adolescence. Participants were 850 sixth graders (50% female, Mean age = 11.03, SD = .17) who were followed up at age 15. In hierarchical regression models, measures of emotional reactivity, self-regulation, pubertal timing and their interactions were used to predict (concurrently and over time) adolescents’ prosocial behaviors in the home and with peers. Overall, the findings provide evidence for pubertal and temperament based predictors of prosocial behaviors expressed in different contexts. Self-regulation was positively related to both forms of prosocial behavior, …
Serotonin System Gene Polymorphisms Are Associated With Impulsivity In A Context Dependent Manner, Scott F. Stoltenberg, Christa C. Christ, Krista B. Highland
Serotonin System Gene Polymorphisms Are Associated With Impulsivity In A Context Dependent Manner, Scott F. Stoltenberg, Christa C. Christ, Krista B. Highland
Department of Psychology: Faculty Publications
Impulsivity is a risk factor for adverse outcomes and characterizes several psychiatric disorders and risk for suicide. There is strong evidence that genetic variation influences individual differences in impulsivity, but the details are not yet understood. There is growing interest in better understanding the context dependency of genetic effects that is reflected in studies examining gender specificity, gene × environment interaction and epistasis (gene-gene interaction). In a cross-sectional study we examined whether polymorphisms in six serotonin system candidate genes and the experience of early life trauma (age 0–12) were associated with individual differences in impulsivity in a nonclinical sample of …
Drug–Drug Conditioning Between Citalopram And Haloperidol Or Olanzapine In A Conditioned Avoidance Response Model: Implications For Polypharmacy In Schizophrenia, Nathan L. Sparkman, Ming Li
Drug–Drug Conditioning Between Citalopram And Haloperidol Or Olanzapine In A Conditioned Avoidance Response Model: Implications For Polypharmacy In Schizophrenia, Nathan L. Sparkman, Ming Li
Department of Psychology: Faculty Publications
Patients with schizophrenia often have anxiety and depression, and thus are treated with multiple psychotherapeutic medications. This practice of polypharmacy increases the possibility for drug–drug interactions. However, the pharmacological and behavioral mechanisms underlying drug–drug interactions in schizophrenia remain poorly understood. In the present study, we adopted a preclinical approach and examined a less known behavioral mechanism, drug–drug conditioning (DDC) between haloperidol (a typical antipsychotic) or olanzapine (atypical antipsychotic) and citalopram (a selective serotonin reuptake inhibitor). A rat two-way conditioned avoidance response paradigm was used to measure antipsychotic activity and determine how DDC may alter the antipsychotic efficacy in this model. …
Correlates Of Same-Sex Attractions And Behaviors Among Self-Identified Heterosexual University Students, Luis F. Morales Knight, Debra A. Hope
Correlates Of Same-Sex Attractions And Behaviors Among Self-Identified Heterosexual University Students, Luis F. Morales Knight, Debra A. Hope
Department of Psychology: Faculty Publications
Few studies have focused on intragroup variations in sexual orientation and fewer on self-identified heterosexuals with same-sex attractions, fantasies, and/or behaviors. Self-identified heterosexual students at a large public midwestern university (N = 263) completed measures of sexuality and gender, attitudes toward lesbian, gay, and bisexual (LGB) people, religious and political beliefs, emotional well-being, and demographics. The sample included 82 individuals (31%; labeled “H+”) who endorsed same-sex attraction, fantasy, and/or behavior and 181 (69%; labeled “H”) who did not. Women were more likely to be categorized as H+ than men. H+ participants had more positive attitudes toward lesbians and gay …
Parametric Studies Of Antipsychotic-Induced Sensitization In The Conditioned Avoidance Response Model: Roles Of Number Of Drug Exposure, Drug Dose, And Test–Retest Interval, Natashia Swalve, Ming Li
Parametric Studies Of Antipsychotic-Induced Sensitization In The Conditioned Avoidance Response Model: Roles Of Number Of Drug Exposure, Drug Dose, And Test–Retest Interval, Natashia Swalve, Ming Li
Department of Psychology: Faculty Publications
Repeated haloperidol and olanzapine treatment produces an enhanced disruption of avoidance responding, a validated measure of antipsychotic activity. Experimental parameters affecting this sensitization-like effect have not been thoroughly examined. The present study investigated the role of three parameters (number of injections, dose, and interval between initial exposure and challenge) in antipsychotic sensitization in the conditioned avoidance response paradigm. Well-trained Sprague–Dawley rats received different numbers of drug treatment (1–5 days) or different doses of haloperidol (0.025–0.10 mg/kg, subcutaneously) or olanzapine (0.5–2.0 mg/kg, subcutaneously). After certain time intervals (4, 10 or 17 days), they were tested for the expression of haloperidol or …
Neural Basis Of The Potentiated Inhibition Of Repeated Haloperidol And Clozapine Treatment On The Phencyclidine-Induced Hyperlocomotion, Changjiu Zhao, Tao Sun, Ming Li
Neural Basis Of The Potentiated Inhibition Of Repeated Haloperidol And Clozapine Treatment On The Phencyclidine-Induced Hyperlocomotion, Changjiu Zhao, Tao Sun, Ming Li
Department of Psychology: Faculty Publications
Clinical observations suggest that antipsychotic effect starts early and increases progressively over time. This time course of antipsychotic effect can be captured in a rat phencyclidine (PCP)-induced hyperlocomotion model, as repeated antipsychotic treatment progressively increases its inhibition of the repeated PCP-induced hyperlocomotion. Although the neural basis of acute antipsychotic action has been studied extensively, the system that mediates the potentiated effect of repeated antipsychotic treatment has not been elucidated. In the present study, we investigated the neuroanatomical basis of the potentiated action of haloperidol (HAL) and clozapine (CLZ) treatment in the repeated PCP-induced hyperlocomotion. Once daily for five consecutive days, …
Staff Perceptions Of Risk For Prison Rape Perpetration And Victimization, Valerie M. Gonsalves, Kate Walsh, Mario J. Scalora
Staff Perceptions Of Risk For Prison Rape Perpetration And Victimization, Valerie M. Gonsalves, Kate Walsh, Mario J. Scalora
Department of Psychology: Faculty Publications
Copyright © 2012 SAGE Publications, http://tpj.sagepub.com Used by permission.
Communication-Based Assessment Of Developmental Age For Young Children With Developmental Disabilities, Shari L. Deveney, Lesa Hoffman, Cynthia J. Cress
Communication-Based Assessment Of Developmental Age For Young Children With Developmental Disabilities, Shari L. Deveney, Lesa Hoffman, Cynthia J. Cress
Department of Psychology: Faculty Publications
Purpose: In this study, the authors compared a multiple-domain strategy for assessing developmental age of young children with developmental disabilities who were at risk for long-term reliance on augmentative and alternative communication (AAC) with a communication-based strategy composed of receptive language and communication indices that may be less affected by physically challenging tasks than traditional developmental age scores.
Method: Participants were 42 children (age 9–27 months) with developmental disabilities and who were at risk for long-term reliance on AAC. Children were assessed longitudinally in their homes at 3 occasions over 18 months using multiple-domain and communication-based measures. Confirmatory factor analysis …
Linking Outcomes From Peabody Picture Vocabulary Test Forms Using Item Response Models, Lesa Hoffman, Jonathan Templin, Mabel L. Rice
Linking Outcomes From Peabody Picture Vocabulary Test Forms Using Item Response Models, Lesa Hoffman, Jonathan Templin, Mabel L. Rice
Department of Psychology: Faculty Publications
Purpose: The present work describes how vocabulary ability as assessed by 3 different forms of the Peabody Picture Vocabulary Test (PPVT; Dunn & Dunn, 1997) can be placed on a common latent metric through item response theory (IRT) modeling, by which valid comparisons of ability between samples or over time can then be made.
Method: Responses from 2,625 cases in a longitudinal study of 697 persons for 459 unique PPVT items (175 items from Peabody Picture Vocabulary Test—Revised [PPVT–R] Form M [Dunn & Dunn, 1981], 201 items from Peabody Picture Vocabulary Test—3 [PPVT–3] Form A [Dunn & Dunn, 1997], and …
Methamphetamine-Associated Psychosis, Kathleen M. Grant, Tricia D. Le Van, Sandra M. Wells, Ming Li, Scott F. Stoltenberg, Howard E. Gendelman, Gustavo Carlo, Rick A. Bevins
Methamphetamine-Associated Psychosis, Kathleen M. Grant, Tricia D. Le Van, Sandra M. Wells, Ming Li, Scott F. Stoltenberg, Howard E. Gendelman, Gustavo Carlo, Rick A. Bevins
Department of Psychology: Faculty Publications
Methamphetamine (METH) is a frequent drug of abuse in U.S. populations and commonly associated with psychosis. This may be a factor in frequent criminal justice referrals and lengthy treatment required by METH users. Persecutory delusions and auditory hallucinations are the most consistent symptoms of METH-associated psychosis (MAP). MAP has largely been studied in Asian populations and risk factors have varied across studies. Duration, frequency and amount of use as well as sexual abuse, family history, other substance use, and co-occurring personality and mood disorders are risk factors for MAP. MAP may be unique with its long duration of psychosis and …
Effects Of Symptom Presentation Order On Perceived Disease Risk, Virginia S. Y. Kwan, Sean P. Wojcik, Talya Miron-Shatz, Ashley M. Votruba, Christopher Y. Olivola
Effects Of Symptom Presentation Order On Perceived Disease Risk, Virginia S. Y. Kwan, Sean P. Wojcik, Talya Miron-Shatz, Ashley M. Votruba, Christopher Y. Olivola
Department of Psychology: Faculty Publications
People are quick to perceive meaningful patterns in the co-occurrence of events. We report two studies exploring the effects of streaks in symptom checklists on perceived personal disease risk. In the context of these studies, a streak is a sequence of consecutive items on a list that share the characteristic of being either general or specific. We identify a psychological mechanism underlying the effect of streaks in a list of symptoms and show that the effect of streaks on perceived risk varies with the length of the symptom list. Our findings reveal a tendency to infer meaning from streaks in …
The Historical, Jurisprudential, And Empirical Wisdom Of Parental Responsibility Laws, Eve M. Brank, Leroy Scott
The Historical, Jurisprudential, And Empirical Wisdom Of Parental Responsibility Laws, Eve M. Brank, Leroy Scott
Department of Psychology: Faculty Publications
The parent-child relationship is woven deep within historical and contemporary culture, but strong retributive ideals have led to blaming parents because of their presumed vicarious role in juvenile crime. The current article will discuss the history, forms, legal challenges, and empirical research related to parental involvement laws in the United States. The parent-child relationship provides the historical framework behind the separate juvenile justice parens patriae system; however, with the juvenile justice system not as successful as originally imagined, blame has shifted to the parents. We examine the potential constitutional implications of enacting and enforcing parental involvement statutes and ordinances and …
Executive Function Deficits In Preschool Children With Adhd And Dbd, Kim Schoemaker, Tessa Bunte, Sandra A. Wiebe, Kimberly A. Espy, Maja Deković, Walter Matthys
Executive Function Deficits In Preschool Children With Adhd And Dbd, Kim Schoemaker, Tessa Bunte, Sandra A. Wiebe, Kimberly A. Espy, Maja Deković, Walter Matthys
Department of Psychology: Faculty Publications
Background: Impairments in executive functions (EF) are consistently associated with attention deficit hyperactivity disorder (ADHD) and to a lesser extent, with disruptive behavior disorder (DBD), that is, oppositional defiant disorder or conduct disorder, in school-aged children. Recently, larger numbers of children with these disorders are diagnosed earlier in development, yet knowledge about impairments in clinically diagnosed preschool children and the role of comorbidity is limited. Therefore, the aim of the current study was to examine EF in clinically referred preschool children with a clinical diagnosis of ADHD, DBD and ADHD + DBD.
Method: Participants were 202 children aged 3.5–5.5 years, …
Discussion On The Paper By Neumann, Evett And Skerrett, Michael J. Saks, Ashley M. Votruba
Discussion On The Paper By Neumann, Evett And Skerrett, Michael J. Saks, Ashley M. Votruba
Department of Psychology: Faculty Publications
Neumann, Evett, and Skerrett have made a major contribution to the art and science of fingerprint identification. This is an important—perhaps historic—step forward in the intellectual history of fingerprint identification and perhaps other fields of pattern matching forensic science. Their work deals ingeniously with the elusive problem of placing forensic identification on an empirically sound, quantitative foundation.
Bullying, Eve Brank, Lori Hoetger, Katherine Hazen
Bullying, Eve Brank, Lori Hoetger, Katherine Hazen
Department of Psychology: Faculty Publications
The effects of bullying on the bully and the victim can be wide reaching, impacting schoolwork, familial and peer relationships, psychological well-being, and physical health. As such, schools work to implement different intervention and prevention programs. Additionally, a variety of both criminal and civil legal interventions have recently been used to prevent or punish bullying. Most US states have enacted antibullying legislation that prohibits bullying behaviors, but definitional issues that are present in the empirical research are also present in such statutes. For instance, some states focus only on physical forms of bullying or leave definitions entirely up to individual …
Child Maltreatment Histories Among Female Inmate Reporting Inmate On Inmate Sexual Victimization In Prison: The Mediating Role Of Emotion Dysregulation, Kate Walsh, Valerie M. Gonsalves, Mario J. Scalora, Steve King, Patricia L. Hardyman
Child Maltreatment Histories Among Female Inmate Reporting Inmate On Inmate Sexual Victimization In Prison: The Mediating Role Of Emotion Dysregulation, Kate Walsh, Valerie M. Gonsalves, Mario J. Scalora, Steve King, Patricia L. Hardyman
Department of Psychology: Faculty Publications
Despite data indicating that child maltreatment (CM) in various forms is associated with adult sexual victimization among community women, few studies have explicitly explored how types of CM might relate to prison sexual victimization. Because little is known about how CM might give rise to prison sexual victimization, the present study also examined emotion dysregulation emanating from early abuse experiences as a potential mediator in the link between early CM and inmate-on-inmate prison sexual victimization. Approximately 168 incarcerated women completed self-report inventories assessing various types of childhood maltreatment, emotion dysregulation, and coerced or forced sexual experiences in prison. Nearly 77% …
Gender, Gender Roles, And Anxiety: Perceived Confirmability Of Self Report, Behavioral Avoidance, And Physiological Reactivity, Milena Stoyanova, Debra Anne Hope
Gender, Gender Roles, And Anxiety: Perceived Confirmability Of Self Report, Behavioral Avoidance, And Physiological Reactivity, Milena Stoyanova, Debra Anne Hope
Department of Psychology: Faculty Publications
Despite the well-documented gender effect in anxiety, less is known about contributing factors to women’s greater risk for anxiety and fears. The present study examined the relationship between gender, gender role orientation (i.e., expressivity/instrumentality) and fear of harmless insects (tarantula), using a multimodal approach of self-report measures, a Behavioral Approach Test (BAT), and physiological reactivity. Participants (144 college students; 67 women, 77 men) completed a questionnaire packet and then were instructed to approach a tarantula. We were unable to replicate Pierce and Kirkpatrick’s (1992) findings that men underreport anxiety. Consistent with the literature, women in the study experienced greater anxiety …
Reliability And Factor Structure Of The Psychological Maltreatment And Neglect Scales Of The Computer Assisted Maltreatment Inventory (Cami), Cindy L. Nash, Sarah A. Hayes-Skelton, David Dilillo
Reliability And Factor Structure Of The Psychological Maltreatment And Neglect Scales Of The Computer Assisted Maltreatment Inventory (Cami), Cindy L. Nash, Sarah A. Hayes-Skelton, David Dilillo
Department of Psychology: Faculty Publications
The primary objective of this study was to evaluate the psychometric properties of the Psychological Maltreatment (PM) and Neglect subscales of the Computer Assisted Maltreatment Inventory (CAMI; DiLillo et al., 2010). The CAMI is a retrospective self-report measure that assesses multiple forms of child maltreatment (i.e., sexual, physical, psychological, neglect, exposure to interparental violence) retrospectively from adults. The CAMI’s PM and Neglect subscales were administered to a geo-graphically diverse sample of 400 college students and a sample of 412 newlyweds. Exploratory fac-tor analyses were conducted for each group separately by subscale. Represented in the PM factor structures were items that …
Implicit And Explicit Alcohol-Related Motivations Among College Binge Drinkers, Laura C. Herschl, Dennis E. Mcchargue, James Mackillop, Scott F. Stoltenberg, Krista B. Highland
Implicit And Explicit Alcohol-Related Motivations Among College Binge Drinkers, Laura C. Herschl, Dennis E. Mcchargue, James Mackillop, Scott F. Stoltenberg, Krista B. Highland
Department of Psychology: Faculty Publications
Rationale: Positive alcohol outcome expectancies and behavioral economic indices of alcohol consumption are related to binge drinking among college students and may reflect explicit and implicit motivations that are differentially associated with this behavior. Objectives: The present study hypothesized that implicit (alcohol purchase task) and explicit (positive expectancy for alcohol’s effects) motivations for drinking would not be correlated. It was also hypothesized that greater implicit and explicit motivations would predict alcohol-related risk. Methods: Participants were 297 college student binge drinkers (54% female; 88% European-American; Alcohol Use Disorders Identification Test: M = 9.53, SD = 5.04). Three indices from the …
Lifetime Sexual Victimization And Poor Risk Perception: Does Emotion Dysregulation Account For The Links?, Kate Walsh, David Dilillo, Terri L. Messman-Moore
Lifetime Sexual Victimization And Poor Risk Perception: Does Emotion Dysregulation Account For The Links?, Kate Walsh, David Dilillo, Terri L. Messman-Moore
Department of Psychology: Faculty Publications
The present study examined whether and which facets of emotion dysregulation serve an interven-ing role in the association between prior victimization and risk perception in an analogue sexual assault vignette. Participants were 714 university women who completed self-report measures of sexual victimization, emotion dysregulation, and a computer-administered written vignette of a col-lege party scene that culminates in acquaintance rape. Approximately 42% of the sample reported lifetime sexual victimization during childhood, adolescence, or adulthood. Two individual aspects of emotion dysregulation, limited access to emotion regulation strategies and impulse control diffi-culties, mediated the association between lifetime victimization and leaving the scenario later. …
Calendar Interviewing And The Use Of Landmark Events – Implications For Cross-Cultural Surveys, Tina Glasner, Wander Van Der Vaart, Robert F. Belli
Calendar Interviewing And The Use Of Landmark Events – Implications For Cross-Cultural Surveys, Tina Glasner, Wander Van Der Vaart, Robert F. Belli
Department of Psychology: Faculty Publications
This paper discusses potential methodological issues in the design and implementation of calendar recall aids such as the Life History Calendar for cross-cultural surveys. More specifically, it aims to provide insights into how the use of landmark events in calendar interviewing may be influenced by cross-cultural variability. As an example, we compare the landmark events reported by Dutch and American respondents in two studies in which calendar recall aids were used. The study discusses differences that were found between the two countries in the numbers and types of reported landmark events, as well as in the temporal distribution of those …
Clinical Phd Graduate Student Views Of Their Scientist-Practitioner Training, Joseph W. Vanderveen, L Felice Reddy, Jennifer C. Veilleux, Alicia M. January, David Dilillo
Clinical Phd Graduate Student Views Of Their Scientist-Practitioner Training, Joseph W. Vanderveen, L Felice Reddy, Jennifer C. Veilleux, Alicia M. January, David Dilillo
Department of Psychology: Faculty Publications
Objectives: The goal of the scientist-practitioner (S-P) training model is to produce clinical psycholo-gists equipped to integrate and utilize both science and practice in the clinical and research domains. However, much has been written regarding the possible shortcomings of S-P training and whether clinical psychology graduate students are actually gaining the knowledge and skills to integrate sci-ence and practice during graduate training and beyond (Chang, Lee, & Hargreaves, 2008; Gelso, 2006; Merlo, Collins, & Bernstein, 2008; Phillips, 1993). Methods: As such, the present study assessed ratings of satisfaction, perception of ability, and use of the S-P training model within 653 …
Conditioned Response Evoked By Nicotine Conditioned Stimulus Preferentially Induces C-Fos Expression In Medial Regions Of Caudate-Putamen, Sergios Charntikov, Matthew E. Tracy, Changjiu Zhao, Ming Li, Rick A. Bevins
Conditioned Response Evoked By Nicotine Conditioned Stimulus Preferentially Induces C-Fos Expression In Medial Regions Of Caudate-Putamen, Sergios Charntikov, Matthew E. Tracy, Changjiu Zhao, Ming Li, Rick A. Bevins
Department of Psychology: Faculty Publications
Nicotine has both unconditioned and conditioned stimulus properties. Conditioned stimulus properties of nicotine may contribute to the tenacity of nicotine addiction. The purpose of this experiment was to use neurohistochemical analysis of rapidly developing c-Fos protein to elucidate neurobiological loci involved in the processing of nicotine as an interoceptive conditioned stimulus (CS). Rats were injected (SC) in an intermixed fashion with saline or nicotine (16 sessions of each) and placed in conditioning chambers where they were given one of the three conditions depending on group assignment: (a) nicotine paired 100% of the time with intermittent access to sucrose (nicotine-CS condition), …
Iptakalim Preferentially Decreases Nicotine-Induced Hyperlocomotion In Phencyclidine-Sensitized Rats: A Potential Dual Action Against Nicotine Addiction And Psychosis, Nick Volf, Gang Hu, Ming Li
Iptakalim Preferentially Decreases Nicotine-Induced Hyperlocomotion In Phencyclidine-Sensitized Rats: A Potential Dual Action Against Nicotine Addiction And Psychosis, Nick Volf, Gang Hu, Ming Li
Department of Psychology: Faculty Publications
Objective: Iptakalim is a putative ATP-sensitive potassium (KATP) channel opener. It is also a novel nicotinic acetylcholine receptor (nAChR) blocker and can antagonize nicotine-induced increase in dopamine release in the nucleus accumbens. Our recent work also shows that iptakalim exhibits a clozapine-like atypical antipsychotic profile, indicating that iptakalim may possess a dual action against nicotine addiction and schizophrenia.
Methods: The present study examined the potential therapeutic effects of iptakalim on nicotine use in schizophrenia. We created an animal model of comorbidity of nicotine addiction and schizophrenia by injecting male Sprague-Dawley rats with nicotine (0.40 mg/kg, subcutaneously[sc]) or saline, in combination …
Differential Effects Of Acute Amphetamine And Phencyclidine Treatment And Withdrawal From Repeated Amphetamine Or Phencyclidine Treatment On Social Interaction And Social Memory In Rats, Ming Li, Wei He, Rebecca Munro
Differential Effects Of Acute Amphetamine And Phencyclidine Treatment And Withdrawal From Repeated Amphetamine Or Phencyclidine Treatment On Social Interaction And Social Memory In Rats, Ming Li, Wei He, Rebecca Munro
Department of Psychology: Faculty Publications
Although animal models based on amphetamine (AMPH) or phencyclidine (PCP) treatment have been used extensively to study the neurobiological and behavioral characteristics of schizophrenia, there are conflicting reports regarding their validity in modeling the negative symptoms and cognitive deficits of schizophrenia. The present study examined how acute AMPH or PCP treatment (Experiment 1) and withdrawal from repeated AMPH treatment (Experiment 2) or PCP treatment (Experiment 3) affects social behavior and social recognition memory in male Sprague-Dawley rats. Each subject was tested on two consecutive days. On the first day, the rats were tested four times (5 min/each) at 10-min intervals …
The Processes Underlying Flexibility In Childhood, Lucy Cragg, Nicolas Chevalier
The Processes Underlying Flexibility In Childhood, Lucy Cragg, Nicolas Chevalier
Department of Psychology: Faculty Publications
It is now well established in the adult literature that the ability to engage in flexible thought and action is a complex skill that relies on a number of underlying processes. The development of this skill has received growing interest in recent years. However, theories explaining children’s ability to switch between different tasks typically focus on a single underlying process and are rarely extended to explain development beyond the preschool years. This article reviews the current literature on set shifting in children in comparison with task switching in adults, in order to highlight the range of factors that impact on …
A Quantitative Analysis Of The Reward-Enhancing Effects Of Nicotine Using Reinforcer Demand, Scott T. Barrett, Rick A. Bevins
A Quantitative Analysis Of The Reward-Enhancing Effects Of Nicotine Using Reinforcer Demand, Scott T. Barrett, Rick A. Bevins
Department of Psychology: Faculty Publications
Reward enhancement by nicotine has been suggested as an important phenomenon contributing toward tobacco abuse and dependence. Reinforcement value is a multifaceted construct not fully represented by any single measure of response strength. The present study evaluated the changes in the reinforcement value of a visual stimulus in 16 male Sprague–Dawley rats using the reinforcer demand technique proposed by Hursh and Silberberg. The different parameters of the model have been shown to represent differing facets of reinforcement value, including intensity, perseverance, and sensitivity to changes in response cost. Rats lever-pressed for 1-min presentations of a compound visual stimulus over blocks …
Diminished Conditioned Responding To The Nicotine Stimulus By Antidepressant Drugs With Differing Specificity For The Serotonin And Norepinephrine Transporter, Amanda M. Dion, Scott C. Sanderson, L. Charles Murrin, Rick A. Bevins
Diminished Conditioned Responding To The Nicotine Stimulus By Antidepressant Drugs With Differing Specificity For The Serotonin And Norepinephrine Transporter, Amanda M. Dion, Scott C. Sanderson, L. Charles Murrin, Rick A. Bevins
Department of Psychology: Faculty Publications
People diagnosed with depression also tend to have a co-morbid nicotine addiction. Thus, there is interest in whether medications used to treat depression alter the effects of nicotine. This study assessed whether the antidepressant drugs citalopram, imipramine, and reboxetine, with differing specificity for the serotonin and norepinephrine transporter, altered responding controlled by the conditional stimulus (CS) effects of nicotine. Rats received intermixed 20-min nicotine (0.4 mg base/kg, SC) and saline sessions. On nicotine sessions, rats had intermittent access to sucrose; no sucrose was available on saline sessions. After discrimination performance stabilized and a nicotine generalization curve (0.025–0.4 mg/kg) was established, …