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Arjol D, Agüera ADR, Hagen C, Papini MR. Frustrative nonreward: Detailed c-Fos expression patterns in the amygdala after consummatory successive negative contrast. Neurobiol Learn Mem 2024; 213:107942. [PMID: 38815677 DOI: 10.1016/j.nlm.2024.107942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/05/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
The amygdala has been implicated in frustrative nonreward induced by unexpected reward downshifts, using paradigms like consummatory successive negative contrast (cSNC). However, existing evidence comes from experiments involving the central and basolateral nuclei on a broad level. Moreover, whether the amygdala's involvement in reward downshift requires a cSNC effect (i.e., greater suppression in downshifted animals than in unshifted controls) or just consummatory suppression without a cSNC effect, remains unclear. Three groups were exposed to (1) a large reward disparity leading to a cSNC effect (32-to-2% sucrose), (2) a small reward disparity involving consummatory suppression in the absence of a cSNC effect (8-to-2% sucrose), and (3) an unshifted control (2% sucrose). Brains obtained after the first reward downshift session were processed for c-Fos expression, a protein often used as a marker for neural activation. c-Fos-positive cells were counted in the anterior, medial, and posterior portions (A/P axis) of ten regions of the rat basolateral, central, and medial amygdala. c-Fos expression was higher in 32-to-2% sucrose downshift animals than in the other two groups in four regions: the anterior and the medial lateral basal amygdala, the medial capsular central amygdala, and the anterior anterio-ventral medial amygdala. None of the areas exhibited differential c-Fos expression between the 8-to-2% sucrose downshift and the unshifted conditions. Thus, amygdala activation requires exposure to a substantial reward disparity. This approach has identified, for the first time, specific amygdala areas relevant to understand the cSNC effect, suggesting follow-up experiments aimed at testing the function of these regions in reward downshift.
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Affiliation(s)
- David Arjol
- Facultad de Psicología, Universidad de Sevilla, Sevilla, Spain
| | | | - Christopher Hagen
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
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Fernández RC, Puddington MM, Kliger R, Core JD, Jure I, Labombarda F, Papini MR, Muzio RN. Instrumental successive negative contrast in rats: Trial distribution, reward magnitude, and prefrontal cortex activation. Physiol Behav 2024; 278:114511. [PMID: 38479582 DOI: 10.1016/j.physbeh.2024.114511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 02/16/2024] [Accepted: 03/10/2024] [Indexed: 03/17/2024]
Abstract
Successive negative contrast (SNC) has been used to study reward relativity, reward loss, and frustration for decades. In instrumental SNC (iSNC), the anticipatory performance of animals downshifted from a large reward to a small reward is compared to that of animals always reinforced with the small reward. iSNC involves a transient deterioration of anticipatory behavior in downshifted animals compared to unshifted controls. There is scattered information on the optimal parameters to produce this effect and even less information about its neural basis. Five experiments with rats trained in a runway to collect food pellets explored the effects of trial distribution (massed or spaced), amount of preshift training, reward disparity, and reward magnitude on the development of an iSNC effect. Start, run, and goal latencies were measured. Using spaced trials (one trial per day), evidence of the iSNC effect was observed with 24 preshift trials and a 32-to-4 pellet disparity. With massed trials (4 trials per session separated by 30-s intertrial intervals), evidence of iSNC was found with 12 preshift sessions (a total of 48 trials) and a 16-to-2 pellet disparity. The massed-training procedure was then used to assess neural activity in three prefrontal cortex areas using c-Fos expression in animals perfused after the first downshift session. There was evidence of increased activation in the anterior cingulate cortex and a trend toward increased activation in the infralimbic and prelimbic cortices. These procedures open a venue for studying the neural basis of the instrumental behavior of animals that experience reward loss.
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Affiliation(s)
- Rocío C Fernández
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Vuelta de Obligado 2490, 1428-Buenos Aires, Argentina; Universidad de Buenos Aires, Facultad de Psicología, Instituto de Investigaciones, Lavalle 2353, 1052-Buenos Aires, Argentina
| | - Martín M Puddington
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Vuelta de Obligado 2490, 1428-Buenos Aires, Argentina; Universidad de Buenos Aires, Facultad de Psicología, Instituto de Investigaciones, Lavalle 2353, 1052-Buenos Aires, Argentina; Departamento de Salud y Seguridad Social, Universidad Nacional de Tres de Febrero, Juncal 1319, 1062-Buenos Aires, Argentina
| | - Rafi Kliger
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Vuelta de Obligado 2490, 1428-Buenos Aires, Argentina
| | - Julián Del Core
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Vuelta de Obligado 2490, 1428-Buenos Aires, Argentina
| | - Ignacio Jure
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Vuelta de Obligado 2490, 1428-Buenos Aires, Argentina
| | - Florencia Labombarda
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Vuelta de Obligado 2490, 1428-Buenos Aires, Argentina
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA.
| | - Rubén N Muzio
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas (IBYME-CONICET), Vuelta de Obligado 2490, 1428-Buenos Aires, Argentina; Universidad de Buenos Aires, Facultad de Psicología, Instituto de Investigaciones, Lavalle 2353, 1052-Buenos Aires, Argentina
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Vigorito M, Chang SL. Alcohol use and the pain system. ADVANCES IN DRUG AND ALCOHOL RESEARCH 2024; 4:12005. [PMID: 38389900 PMCID: PMC10880763 DOI: 10.3389/adar.2024.12005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 01/12/2024] [Indexed: 02/24/2024]
Abstract
The World Health Organization's epidemiological data from 2016 revealed that while 57% of the global population aged 15 years or older had abstained from drinking alcohol in the previous year, more than half of the population in the Americas, Europe, and Western Pacific consumed alcohol. The spectrum of alcohol use behavior is broad: low-risk use (sensible and in moderation), at-risk use (e.g., binge drinking), harmful use (misuse) and dependence (alcoholism; addiction; alcohol use disorder). The at-risk use and misuse of alcohol is associated with the transition to dependence, as well as many damaging health outcomes and preventable causes of premature death. Recent conceptualizations of alcohol dependence posit that the subjective experience of pain may be a significant contributing factor in the transition across the spectrum of alcohol use behavior. This narrative review summarizes the effects of alcohol at all levels of the pain system. The pain system includes nociceptors as sensory indicators of potentially dangerous stimuli and tissue damage (nociception), spinal circuits mediating defensive reflexes, and most importantly, the supraspinal circuits mediating nocifensive behaviors and the perception of pain. Although the functional importance of pain is to protect from injury and further or future damage, chronic pain may emerge despite the recovery from, and absence of, biological damage (i.e., in the absence of nociception). Like other biological perceptual systems, pain is a construction contingent on sensory information and a history of individual experiences (i.e., learning and memory). Neuroadaptations and brain plasticity underlying learning and memory and other basic physiological functions can also result in pathological conditions such as chronic pain and addiction. Moreover, the negative affective/emotional aspect of pain perception provides embodied and motivational components that may play a substantial role in the transition from alcohol use to dependence.
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Affiliation(s)
- Michael Vigorito
- Institute of NeuroImmune Pharmacology, Seton Hall University, South Orange, NJ, United States
| | - Sulie L Chang
- Institute of NeuroImmune Pharmacology, Seton Hall University, South Orange, NJ, United States
- Department of Biological Sciences, Seton Hall University, South Orange, NJ, United States
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Ihme H, Courtet P, Risch N, Dubois J, Belzeaux R, Olié E. Mediation effect of anxious attachment on relationship between childhood trauma and suicidal ideation sensitive to psychological pain levels. Eur Psychiatry 2023; 66:e79. [PMID: 37737057 PMCID: PMC10594339 DOI: 10.1192/j.eurpsy.2023.2452] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/06/2023] [Accepted: 09/06/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND Childhood trauma (CT), depression, and psychological pain are known predictors of suicidal ideation. Recent literature additionally highlights the importance of the attachment system. METHODS We aimed to predict suicidal ideation through CT, attachment, and psychological and social pain by using mediation models aiming to predict suicidal ideation through CT (predictor) and attachment (mediator). In the same models, we introduced psychological or social pain as a moderator of the relationship between attachment, CT, and suicidal ideation. We included 161 depressed patients and assessed depression, attachment, CT, suicidal ideation, psychological pain, and social pain. RESULTS We found (1) a complete mediating effect of anxious attachment (a2b2 = 0.0035, CI95% = [0.0010; 0.0069]) on the relationship between CT on suicidal ideation, and (2) a significant complete conditional mediating effect of anxious attachment and psychological pain (index of moderated mediation VAS: 0.0014; CI95% = [0.0002; 0.0032]) but not social pain on the relationship between CT and suicidal ideation. Both models were controlled for history of suicidal attempt, depression severity, and sex. CONCLUSIONS Our results suggest a developmental profile of suicidal ideation in mood disorder that is characterized by the presence of CT and insecure attachment, especially anxious attachment, that is sensitive to experiences of psychological pain. Nevertheless, we cannot conclude that avoidantly attached individuals do not present the same mechanism, as they may not disclose those ideas.
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Affiliation(s)
- Hannah Ihme
- Institut de Neurosciences de la Timone, UMR 7289, Aix Marseille Université, CNRS, Marseille, France
| | - Philippe Courtet
- IGF,Univ. Montpellier, CNRS, INSERM, Montpellier, France
- Department of Emergency Psychiatry and Acute Care, Lapeyronie Hospital, CHU Montpellier, Montpellier, France
| | - Nathan Risch
- IGF,Univ. Montpellier, CNRS, INSERM, Montpellier, France
| | - Jonathan Dubois
- IGF,Univ. Montpellier, CNRS, INSERM, Montpellier, France
- Department of Emergency Psychiatry and Acute Care, Lapeyronie Hospital, CHU Montpellier, Montpellier, France
| | - Raoul Belzeaux
- Institut de Neurosciences de la Timone, UMR 7289, Aix Marseille Université, CNRS, Marseille, France
- Pôle Universitaire de Psychiatrie, CHU de Montpellier, Montpellier, France
| | - Emilie Olié
- IGF,Univ. Montpellier, CNRS, INSERM, Montpellier, France
- Department of Emergency Psychiatry and Acute Care, Lapeyronie Hospital, CHU Montpellier, Montpellier, France
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Alothman D, Tyrrell E, Lewis S, Card T, Fogarty AW. Evaluation of common prescription analgesics and adjuvant analgesics as markers of suicide risk: a longitudinal population-based study in England. THE LANCET REGIONAL HEALTH. EUROPE 2023; 32:100695. [PMID: 37538401 PMCID: PMC10393825 DOI: 10.1016/j.lanepe.2023.100695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 08/05/2023]
Abstract
Background Analgesics prescriptions may provide a marker for identifying individuals at higher risk of suicide. In particular, awareness of which analgesics are implicated may help clinicians assess and modify risk. Method A case-control study in England using the Clinical Practice Research Datalink (for primary care records) linked with hospital and national mortality electronic registries. We included patients aged ≥15 who died by suicide between 2001 and 2019 (N = 14,515), to whom we individually matched 580,159 controls by suicide date and general practice (N = 594,674). Odds ratios (ORs) for suicide, controlled for age and sex, were assessed using conditional logistic regression. Findings Suicide risks were highest in those prescribed adjuvant analgesics (pregabalin, gabapentin and carbamazepine) (adjusted OR 4.07; 95% confidence intervals CI: 3.62-4.57), followed by those prescribed opioids (adjusted OR 2.01; 95% CI: 1.88-2.15) and those prescribed non-opioid analgesics (adjusted OR 1.48; 95% CI: 1.39-1.58) compared to those not prescribed these medications. By individual analgesic, the highest suicide risks were seen in patients prescribed oxycodone (adjusted OR 6.70; 95% CI: 4.49-9.37); pregabalin (adjusted OR 6.50; 95% CI: 5.41-7.81); morphine (adjusted OR 4.54; 95% CI: 3.73-5.52); and gabapentin (adjusted OR 3.12; 95% CI: 2.59-3.75). Suicide risk increased linearly with the number of analgesic prescriptions in the final year (p < 0.01 based on the likelihood ratio test), and the more different analgesics categories were prescribed in the final year (p < 0.01 based on the likelihood ratio test). Interpretation Analgesic prescribing was associated with higher suicide risk. This is a particular issue with regard to adjuvant non-opiate analgesics. Funding There was no funding for this study.
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Eskowich S, Mackie C, Wall KM, Gagnon MM. Is all validation equal? Evaluating sensory- and emotion-focused validation in the context of experimentally induced pain. J Health Psychol 2023; 28:1038-1043. [PMID: 36932664 PMCID: PMC10492425 DOI: 10.1177/13591053231161065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023] Open
Abstract
Validation has been examined in experimental and clinical settings, but examination of whether specific content of validation responses affect pain-related outcomes has not been considered. We examined the impact of sensory- or emotion-focused validation following a pain task. Participants (N = 140) were randomly assigned to one of three validation conditions (i.e. sensory, emotional, or neutral) and completed the cold pressor task (CPT). Participants provided self-report ratings of pain and affective-related variables. Subsequently, a researcher validated emotional, sensory, or no aspects of participants' experience. The CPT was repeated, as were the self-report ratings. No significant differences were observed across conditions in pain or affective outcomes. All conditions reported an increase in pain intensity and pain unpleasantness across CPT trials. These findings suggest validation content may not impact pain outcomes during painful experiences. Future directions to understanding the nuances of validation across interactions and settings are discussed.
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Guarino S, Hagen C, Nguyen Q, Papini MR. Frustrative nonreward and the basal ganglia: Chemogenetic inhibition and excitation of the nucleus accumbens and globus pallidus externus during reward downshift. Neurobiol Learn Mem 2023; 200:107736. [PMID: 36822464 DOI: 10.1016/j.nlm.2023.107736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 01/27/2023] [Accepted: 02/16/2023] [Indexed: 02/25/2023]
Abstract
Frustrative nonreward contributes to anxiety disorders and addiction, and is included in the Research Domain Criteria initiative as a relevant endophenotype. These experiments explored the role of the basal ganglia in consummatory reward downshift (cRD) using inhibitory and excitatory DREADDs (designer receptors exclusively activated by designer drugs) infused in either the nucleus accumbens (NAc) or one of its downstream targets, the globus pallidus externus (GPe). NAc inhibition did not disrupt consummatory suppression during a 32-to-2% (Experiment 1) or 8-to-2% sucrose downshift (Experiment 2). However, NAc excitation enhanced consummatory suppression during a 32-to-2% sucrose downshift (Experiment 1). GPe inhibition caused a trend toward increased consummatory suppression after a 32-to-2% sucrose downshift, whereas GPe excitation eliminated consummatory suppression after an 8-to-2% sucrose downshift (Experiment 3). Chemogenetic manipulations of NAc and GPe had no detectable effects on open field activity. The effects of DREADD activation via clozapine N-oxide (CNO) administration were compared to controls that carried the DREADDs, but received vehicle injections. There was no evidence that CNO or vehicle injections in virus vector control (VVC) animals affected cRD or OF activity after either CNO or vehicle injections. NAc and GPe excitation led to opposite results in the cRD task, providing evidence that the basal ganglia circuit has a function in frustrative nonreward in the absence of detectable motor effects.
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Affiliation(s)
- Sara Guarino
- Department of Psychology, Texas Christian University, Fort Worth, TX 76109, USA
| | - Christopher Hagen
- Department of Psychology, Texas Christian University, Fort Worth, TX 76109, USA
| | - Quynh Nguyen
- Department of Psychology, Texas Christian University, Fort Worth, TX 76109, USA
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX 76109, USA.
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Henry DB, Pemberton AL, Rogers RR, Ballmann CG. A Matter of Taste: Roles of Taste Preference on Performance and Psychological Responses during Anaerobic Exercise. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3730. [PMID: 36834425 PMCID: PMC9964433 DOI: 10.3390/ijerph20043730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/17/2023] [Accepted: 02/18/2023] [Indexed: 06/18/2023]
Abstract
Various tastes including sweet, bitter, and sour have been shown to differentially influence physiological and psychological processes. Furthermore, ingestion of bitter and sweet solutions has been shown to acutely enhance exercise performance. However, the taste is highly individualized, and it is unclear if preference influences the ergogenic potential of taste. The purpose of this study was to investigate the effects of preferred and non-preferred drink tastes on anaerobic performance and psychological responses thereof. Physically active females participated in two counterbalanced sprint trials each with a different condition: (1) non-preferred taste (NPT), (2) Preferred taste (PT). Participants self-reported taste preferences (sweet, sour, bitter) with the highest-ranked taste being used for the PT condition and the lowest-ranked for NPT. For each visit, participants completed a 15 s Wingate Anaerobic Test (WAnT) prior to (PRE) ingestion of ~20 mL of their NP or PREF taste. Following ingestion, participants completed 2 min of active recovery, rated their taste preference of the solution, and completed another 15 s WAnT. The rate of perceived exertion (RPE), motivation, and enjoyment were measured through a visual analog scale following each WAnT. Anaerobic performance measures and heart rate (HR) were also obtained at the succession of each WAnT. Findings revealed no differences between taste conditions for mean power (p = 0.455), peak power (p = 0.824), or HR (p = 0.847). RPE was significantly lower with PT versus NPT (p = 0.006). Exercise enjoyment (p = 0.022) was higher with PT compared to NPT. NPT resulted in worse motivation compared to PRE (p = 0.001) while no changes were observed between PT and PRE (p = 0.197). These findings suggest that preferred drink taste may not enhance acute performance but improves psychological responses to maximal anaerobic exercise which may have implications for improving exercise training and adherence.
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Incentive disengagement and the adaptive significance of frustrative nonreward. Learn Behav 2022; 50:372-388. [DOI: 10.3758/s13420-022-00519-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2022] [Indexed: 11/08/2022]
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Muzio RN, Yohena A, Papini MR. Evidence of successive negative contrast in terrestrial toads (Rhinella arenarum): central or peripheral effect? Anim Cogn 2022; 25:1453-1460. [PMID: 35612651 DOI: 10.1007/s10071-022-01626-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 04/02/2022] [Accepted: 04/12/2022] [Indexed: 11/28/2022]
Abstract
Prior research with terrestrial toads (Rhinella arenarum) in a water-reinforced instrumental situation indicated a direct relationship between acquisition rate and reward magnitude. However, a reward downshift produced a gradual adjustment of instrumental performance and a rapid adjustment of consummatory performance, rather than the abrupt and transient deterioration of behavior typical of a successive negative contrast effect. In Experiment 1, using a two-chamber box, a downshift from deionized water (which supports maximal rehydration) to 250-mM sodium chloride solution (which supports a lower rehydration), also yielded a gradual adjustment of instrumental behavior. In this experiment, animals received one trial per day and were allowed 300 s of access to the reward in the goal box. Experiment 2 used the same procedure, except that animals were allowed access to the solution in the goal box for 600 s. Under these conditions, reward downshift led to longer latencies (instrumental) and lower rehydration levels (consummatory) than those of unshifted controls, providing evidence for successive negative contrast. Unlike in similar experiments with mammals, the effect was not transient, but persisted relatively unmodified over twelve daily postshift trials. In this case, the possibility of adaptation of the peripheral mechanisms for water uptake is considered. The comparative relevance of these results is discussed in terms of habit formation versus expectancy-guided behavior in vertebrate learning.
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Affiliation(s)
- Rubén N Muzio
- Instituto de Biología y Medicina Experimental (IBYME-CONICET) and Facultad de Psicología, Universidad de Buenos Aires (UBA), Ciudad de Buenos Aires, Argentina. .,Grupo de Aprendizaje y Cognición Comparada, Laboratorio de Biología del Comportamiento, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Vuelta de Obligado 2490, 1428, Ciudad de Buenos Aires, Argentina.
| | - Agustina Yohena
- Instituto de Biología y Medicina Experimental (IBYME-CONICET) and Facultad de Psicología, Universidad de Buenos Aires (UBA), Ciudad de Buenos Aires, Argentina.,Grupo de Aprendizaje y Cognición Comparada, Laboratorio de Biología del Comportamiento, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Vuelta de Obligado 2490, 1428, Ciudad de Buenos Aires, Argentina
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Psychological pain and opioid receptors: Reward downshift is disrupted when tested in a context signaling morphine. Pharmacol Biochem Behav 2022; 216:173386. [DOI: 10.1016/j.pbb.2022.173386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/29/2022] [Accepted: 04/03/2022] [Indexed: 11/22/2022]
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Mugnaini M, Alfei JM, Bueno AM, Ferrer Monti RI, Urcelay GP. Fear memory modulation by incentive down and up-shifts. Behav Brain Res 2022; 422:113766. [DOI: 10.1016/j.bbr.2022.113766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/20/2021] [Accepted: 01/17/2022] [Indexed: 11/02/2022]
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Conrad SE, Davis D, Vilcek N, Thompson JB, Guarino S, Papini S, Papini MR. Frustrative nonreward and cannabinoid receptors: Chronic (but not acute) WIN 55,212-2 treatment increased resistance to change in two reward downshift tasks. Pharmacol Biochem Behav 2022; 213:173320. [PMID: 34990705 DOI: 10.1016/j.pbb.2021.173320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 12/27/2021] [Accepted: 12/28/2021] [Indexed: 10/19/2022]
Abstract
Assessing the role of cannabinoid (CB) receptors in behavior is relevant given the trend toward the legalization of medicinal and recreational marijuana. The present research aims at bridging a gap in our understanding of CB-receptor function in animal models of frustrative nonreward. These experiments were designed to (1) determine the effects of chronic administration of the nonselective CB1-receptor agonist WIN 55,212-2 (WIN) on reward downshift in rats and (2) determine whether the effects of chronic WIN were reducible to acute effects. In Experiment 1, chronic WIN (7 daily injections, 10 mg/kg, ip) accelerated the recovery of consummatory behavior after a 32-to-4% sucrose downshift relative to vehicle controls. In addition, chronic WIN eliminated the preference for an unshifted lever when the other lever was subject to a 12-to-2 pellet downshift in free-choice trials, but only in animals with previous experience with a sucrose downshift. In Experiment 2, acute WIN (1 mg/kg, ip) reduced consummatory behavior, but did not affect recovery from a 32-to-4% sucrose downshift. The antagonist SR 141716A (3 mg/kg, ip) also failed to interfere with recovery after the sucrose downshift. In Experiment 3, acute WIN administration (1 mg/kg, ip) did not affect free-choice behavior after a pellet downshift, although it reduced lever pressing and increased magazine entries relative to vehicle controls. The effects of chronic WIN on frustrative nonreward were not reducible to acute effects of the drug. Chronic WIN treatment in rats, like chronic marijuana use in humans, seems to increase resistance to the effects of frustrative nonreward.
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Affiliation(s)
- Shannon E Conrad
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
| | - Delaney Davis
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
| | - Natalia Vilcek
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
| | - Joanna B Thompson
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
| | - Sara Guarino
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
| | - Santiago Papini
- Department of Psychology, University of Texas at Austin, Austin, TX 78712, USA
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA.
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Gray matter volume reduction with different disease duration in trigeminal neuralgia. Neuroradiology 2022; 64:301-311. [PMID: 34453181 PMCID: PMC8397610 DOI: 10.1007/s00234-021-02783-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Accepted: 07/30/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE Structural magnetic resonance imaging is widely used to explore brain gray and white matter structure in trigeminal neuralgia (TN) but has yielded conflicting findings. This study investigated the relationship between disease duration as a clinical feature of TN and changes in brain structure. METHODS We divided 49 TN patients into three groups (TN1-TN3) based on disease duration (TN1 = 1.1 ± 0.7 (0-2) years, TN2 = 4.8 ± 1.5 (3-7) years, TN3 = 15.1 ± 5.5 (10-30) years). We used voxel-based morphometry (VBM) to compare the gray matter volume (GMV) across groups and between TN patients and 18 matched healthy control subjects. RESULTS The TN1 group showed reduced GMV of pain-related regions in the cerebellum; the TN2 group showed reduced GMV in the thalamus and the motor/sensory cortex; and the TN3 group showed reduced GMV in the emotional and reward circuits compared with healthy controls. Similar brain regions, including bilateral hippocampi, caudate, left insular cortex, and medial superior frontal cortex, were affected in TN2 and TN3 compared with TN1. CONCLUSION Disease duration can explain differences in structural alterations-especially in pain-related brain regions-in TN. These results highlight the advanced structural neuroimaging method that are valuable tools to assess the trigeminal system in TN and may further our current understanding of TN pathology.
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Donaire R, Cándido C, Papini MR, Torres C. Frustrative nonreward and emotional self-medication:Factors modulating alcohol consumption following reward downshift in rats. Physiol Behav 2021; 245:113688. [PMID: 34952031 DOI: 10.1016/j.physbeh.2021.113688] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 12/19/2021] [Accepted: 12/20/2021] [Indexed: 11/26/2022]
Abstract
Life experience involving unexpected incentive loss (e.g., loss of job or a significant other) may result in negative emotional reactions (frustration) and promote alcohol drinking. Similarly, animals exposed to a frustrative 32-to-4% sucrose downshift increase their preference for alcohol (2%) vs. water. This result was interpreted as reflecting emotional self-medication-the consumption of substances that reduce negative emotions. We conducted three experiments examining parametric manipulations of the animal model: (1) effects of a severe reward downshift (32-to-4% sucrose) on consumption of various alcohol concentrations (Experiment 1); (2) effects of different magnitudes of reward downshifts on consumption of 32% alcohol (Experiment 2); and (3) effects of partial reinforcement (an intervention that increases resistance to frustration) on 2% alcohol intake induced by a 32-to-4% sucrose downshift (Experiment 3). The results show that (1) a 32-to-4% sucrose downshift leads to an increase in alcohol intake over a wide range of alcohol concentrations; (2) the greater the reward downshift, the higher the relative increase in alcohol consumption; and (3) a treatment that increases resistance to frustration (partial reinforcement) also attenuates alcohol consumption after a sucrose downshift. These data are discussed in relation to the role of frustrative nonreward in alcohol consumption.
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Affiliation(s)
- Rocío Donaire
- Department of Psychology, University of Jaén, 23071 Jaén, Spain
| | - Clara Cándido
- Department of Psychology, University of Jaén, 23071 Jaén, Spain
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
| | - Carmen Torres
- Department of Psychology, University of Jaén, 23071 Jaén, Spain.
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16
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Fernández-Teruel A, Oliveras I, Cañete T, Rio-Álamos C, Tapias-Espinosa C, Sampedro-Viana D, Sánchez-González A, Sanna F, Torrubia R, González-Maeso J, Driscoll P, Morón I, Torres C, Aznar S, Tobeña A, Corda MG, Giorgi O. Neurobehavioral and neurodevelopmental profiles of a heuristic genetic model of differential schizophrenia- and addiction-relevant features: The RHA vs. RLA rats. Neurosci Biobehav Rev 2021; 131:597-617. [PMID: 34571119 DOI: 10.1016/j.neubiorev.2021.09.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 12/26/2022]
Abstract
The Roman High- (RHA) and Low-(RLA) avoidance rat lines/strains were generated through bidirectional selective breeding for rapid (RHA) vs. extremely poor (RLA) two-way active avoidance acquisition. Compared with RLAs and other rat strains/stocks, RHAs are characterized by increased impulsivity, deficits in social behavior, novelty-induced hyper-locomotion, impaired attentional/cognitive abilities, vulnerability to psychostimulant sensitization and drug addiction. RHA rats also exhibit decreased function of the prefrontal cortex (PFC) and hippocampus, increased functional activity of the mesolimbic dopamine system and a dramatic deficit of central metabotropic glutamate-2 (mGlu2) receptors (due to a stop codon mutation at cysteine 407 in Grm2 -cys407*-), along with increased density of 5-HT2A receptors in the PFC, alterations of several synaptic markers and increased density of pyramidal "thin" (immature) dendrític spines in the PFC. These characteristics suggest an immature brain of RHA rats, and are reminiscent of schizophrenia features like hypofrontality and disruption of the excitation/inhibition cortical balance. RHA rats represent a promising heuristic model of neurodevelopmental schizophrenia-relevant features and comorbidity with drug addiction vulnerability.
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Affiliation(s)
- Alberto Fernández-Teruel
- Medical Psychology Unit, Department of Psychiatry & Forensic Medicine, Institute of Neurosciences, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain.
| | - Ignasi Oliveras
- Medical Psychology Unit, Department of Psychiatry & Forensic Medicine, Institute of Neurosciences, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain
| | - Toni Cañete
- Medical Psychology Unit, Department of Psychiatry & Forensic Medicine, Institute of Neurosciences, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain
| | | | - Carles Tapias-Espinosa
- Medical Psychology Unit, Department of Psychiatry & Forensic Medicine, Institute of Neurosciences, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain
| | - Daniel Sampedro-Viana
- Medical Psychology Unit, Department of Psychiatry & Forensic Medicine, Institute of Neurosciences, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain
| | - Ana Sánchez-González
- Medical Psychology Unit, Department of Psychiatry & Forensic Medicine, Institute of Neurosciences, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain
| | - Francesco Sanna
- Department of Life and Environmental Sciences (DiSVA), University of Cagliari, Italy
| | - Rafael Torrubia
- Medical Psychology Unit, Department of Psychiatry & Forensic Medicine, Institute of Neurosciences, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain
| | - Javier González-Maeso
- Department of Physiology and Biophysics, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | | | - Ignacio Morón
- Department of Psychobiology and Centre of Investigation of Mind, Brain, and Behaviour (CIMCYC), University of Granada, Spain
| | - Carmen Torres
- Department of Psychology, University of Jaén, 23071, Jaén, Spain.
| | - Susana Aznar
- Research Laboratory for Stereology and Neuroscience, Bispebjerg Copenhagen University Hospital, 2400, Copenhagen, Denmark.
| | - Adolf Tobeña
- Medical Psychology Unit, Department of Psychiatry & Forensic Medicine, Institute of Neurosciences, Autonomous University of Barcelona, 08193, Bellaterra, Barcelona, Spain.
| | - Maria G Corda
- Department of Life and Environmental Sciences (DiSVA), University of Cagliari, Italy.
| | - Osvaldo Giorgi
- Department of Life and Environmental Sciences (DiSVA), University of Cagliari, Italy.
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17
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Borelli E, Bigi S, Potenza L, Artioli F, Eliardo S, Mucciarini C, Cagossi K, Razzini G, Pasqualini A, Lui F, Ferlazzo F, Cruciani M, Bruera E, Efficace F, Luppi M, Cacciari C, Porro CA, Bandieri E. Different semantic and affective meaning of the words associated to physical and social pain in cancer patients on early palliative/supportive care and in healthy, pain-free individuals. PLoS One 2021; 16:e0248755. [PMID: 33788893 PMCID: PMC8011738 DOI: 10.1371/journal.pone.0248755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 03/04/2021] [Indexed: 12/25/2022] Open
Abstract
Early palliative/supportive care (ePSC) is a medical intervention focused on patient's needs, that integrates standard oncological treatment, shortly after a diagnosis of advanced/metastatic cancer. ePSC improves the appropriate management of cancer pain. Understanding the semantic and emotional impact of the words used by patients to describe their pain may further improve its assessment in the ePSC setting. Psycholinguistics assumes that the semantic and affective properties of words affect the ease by which they are processed and comprehended. Therefore, in this cross-sectional survey study we collected normative data about the semantic and affective properties of words associated to physical and social pain, in order to investigate how patients with cancer pain on ePSC process them compared to healthy, pain-free individuals. One hundred ninety patients and 124 matched controls rated the Familiarity, Valence, Arousal, Pain-relatedness, Intensity, and Unpleasantness of 94 words expressing physical and social pain. Descriptive and inferential statistics were performed on ratings in order to unveil patients' semantic and affective representation of pain and compare it with those from controls. Possible effects of variables associated to the illness experience were also tested. Both groups perceived the words conveying social pain as more negative and pain-related than those expressing physical pain, confirming previous evidence of social pain described as worse than physical pain. Patients rated pain words as less negative, less pain-related, and conveying a lower intense and unpleasant pain than controls, suggesting either an adaptation to the pain experience or the role played by ePSC in improving patients' ability to cope with it. This exploratory study suggests that a chronic pain experience as the one experienced by cancer patients on ePSC affects the semantic and affective representation of pain words.
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Affiliation(s)
- Eleonora Borelli
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Center for Neuroscience and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
| | - Sarah Bigi
- Department of Linguistic Sciences and Foreign Literatures, Catholic University of the Sacred Heart, Milan, Italy
| | - Leonardo Potenza
- Hematology Unit and Chair, Azienda Ospedaliera Universitaria di Modena, Modena, Italy
- Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Fabrizio Artioli
- Oncology and Palliative Care Units, Civil Hospital Carpi, USL, Carpi, Italy
| | - Sonia Eliardo
- Oncology and Palliative Care Units, Civil Hospital Carpi, USL, Carpi, Italy
| | - Claudia Mucciarini
- Oncology and Palliative Care Units, Civil Hospital Carpi, USL, Carpi, Italy
| | - Katia Cagossi
- Oncology and Palliative Care Units, Civil Hospital Carpi, USL, Carpi, Italy
| | - Giorgia Razzini
- Oncology and Palliative Care Units, Civil Hospital Carpi, USL, Carpi, Italy
| | | | - Fausta Lui
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Center for Neuroscience and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
| | - Fabio Ferlazzo
- Department of Psychology, Sapienza University, Rome, Italy
| | | | - Eduardo Bruera
- Palliative Care & Rehabilitation Medicine, UT MD Anderson Cancer Center, Houston, Texas, United States of America
| | - Fabio Efficace
- Health Outcomes Research Unit, Italian Group for Adult Hematologic Diseases (GIMEMA), Rome, Italy
| | - Mario Luppi
- Hematology Unit and Chair, Azienda Ospedaliera Universitaria di Modena, Modena, Italy
- Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Cristina Cacciari
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Center for Neuroscience and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
| | - Carlo Adolfo Porro
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Center for Neuroscience and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
| | - Elena Bandieri
- Oncology and Palliative Care Units, Civil Hospital Carpi, USL, Carpi, Italy
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18
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Thompson JB, Daniel AM, Rushing BG, Papini MR. Recovery profiles from reward downshift are correlated with operant licking maintained by alcohol, but not with genetic variation in the mu opioid receptor. Physiol Behav 2021; 228:113192. [PMID: 33011231 DOI: 10.1016/j.physbeh.2020.113192] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/17/2020] [Accepted: 09/29/2020] [Indexed: 01/30/2023]
Abstract
After ten 5-min sessions of access to 32% sucrose, a reward downshift (RD) to 2% sucrose induces a transient rejection of the reward. Animals were segregated according to the speed of recovery from RD into Fast-recovery and Slow-recovery subgroups. Animals were subsequently trained in an operant licking (OL) task in which licking at an empty tube provided 10 s of access to a second tube containing 66% alcohol. Licking on the first tube was subjected to a progressive ratio (PR) schedule with a step of 4 licks. Fast-recovery animals (both males and females) licked to a higher ratio than Slow-recovery animals. Animals were also exposed to a well-lit open field (OF) for 20 min. Fast- and Slow-recovery males and females exhibited equal levels of activity in the OF. Tissue samples from tails were assessed for two well-known allelic variations of the human opioid receptor gene, OPRM1, known to affect mu opioid sensitivity: The C17T and A118G single nucleotide polymorphisms. There was no evidence of a relationship between genotype and behavior, suggesting that these genetic mechanisms in humans do not account for the individual differences in recovery from RD and OL for alcohol in rats.
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Affiliation(s)
| | - Alan M Daniel
- Department of Science and Math, Texas A&M University-San Antonio, United States
| | - Brenda G Rushing
- Department of Science and Math, Texas A&M University-San Antonio, United States
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, United States.
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19
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Daniel AM, Rushing BG, Tapia Menchaca KY. Variation of the human mu-opioid receptor (OPRM1) gene predicts vulnerability to frustration. Sci Rep 2020; 10:21840. [PMID: 33318511 PMCID: PMC7736895 DOI: 10.1038/s41598-020-78783-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 11/19/2020] [Indexed: 11/09/2022] Open
Abstract
Understanding the emotional reaction to loss, or frustration, is a critical problem for the field of mental health. Animal models of loss have pointed to the opioid system as a nexus of frustration, physical pain, and substance abuse. However, few attempts have been made to connect the results of animal models of loss to human behavior. Allelic differences in the human mu opioid receptor gene, notably the A118G single nucleotide polymorphism, have been linked to individual differences in pain sensitivity, depressive symptoms, and reward processing. The present study explored the relationship between A118G and behavior in two frustrating tasks in humans. Results showed that carriers of the mutant G-allele were slower to recover behavior following a reward downshift and abandoned a frustrating task earlier than those without the mutation. Additionally, G-carriers were more sensitive to physical pain. These results highlight the overlap between frustration and pain, and suggest that genetic variation in opioid tone may contribute to individual differences in vulnerability and resilience following emotional disturbances.
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Affiliation(s)
- Alan M Daniel
- Department of Science and Math, Texas A&M University-San Antonio, One University Way, San Antonio, TX, 78224, USA.
| | - Brenda G Rushing
- Department of Science and Math, Texas A&M University-San Antonio, One University Way, San Antonio, TX, 78224, USA
| | - Karla Y Tapia Menchaca
- Department of Science and Math, Texas A&M University-San Antonio, One University Way, San Antonio, TX, 78224, USA
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20
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King SM, Whelan JP. Gambling and Alcohol Problems during the College Years: Personality, Physical and Emotional Health and Gambling Beliefs. Issues Ment Health Nurs 2020; 41:1095-1103. [PMID: 32857625 DOI: 10.1080/01612840.2020.1804019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Gambling and alcohol problems commonly co-occur during emerging adulthood. Co-occurring problems may relates to personality factors, physical health, mental health and gambling belief systems. In a large sample of colleges students (N = 513), we examined alcohol, gambling and co-occurring problem groups relative to a group without alcohol or gambling problems from large sample of college students. Group differences were found on Constraint and Negative Emotionality (ps ≤ .05). All three groups had a higher score on gamblers' beliefs of illusion of control compared to the group with no problems (all ps < .05). Those with co-occurring problems had a higher score on illusion of control beliefs than those with alcohol problems only. For luck/perseverance gambling beliefs, those with co-occurring problems had higher levels than other groups on these beliefs. The group with alcohol problems and significantly poorer mental health outcomes than those without alcohol or gambling problems. Individuals with gambling problems or alcohol problems only had significantly poorer self-rated overall physical health (p < .01). Differences were found between groups (alcohol, gambling, alcohol + gambling and neither) on self-rated energy and fatigue as well as pain (ps < .05). Gambling and alcohol problems may relate to emotional and health problems, and personality and belief systems may be related to the co-occurrence of gambling and alcohol problems.
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Affiliation(s)
- Serena M King
- Department of Psychology, Hamline University, Psychology, Saint Paul, Minneapolis, Minnesota, USA
| | - James P Whelan
- Department of Psychology, Hamline University, Psychology, Saint Paul, Minneapolis, Minnesota, USA
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21
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Fuentes-Verdugo E, Pellón R, Papini MR, Torres C, Fernández-Teruel A, Anselme P. Effects of partial reinforcement on autoshaping in inbred Roman high- and low-avoidance rats. Physiol Behav 2020; 225:113111. [PMID: 32738315 DOI: 10.1016/j.physbeh.2020.113111] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/23/2020] [Accepted: 07/27/2020] [Indexed: 11/30/2022]
Abstract
Individuals trained under partial reinforcement (PR) typically show a greater resistance to extinction than individuals exposed to continuous reinforcement (CR). This phenomenon is referred to as the PR extinction effect (PREE) and is interpreted as a consequence of uncertainty-induced frustration counterconditioning. In this study, we assessed the effects of PR and CR in acquisition and extinction in two strains of rats, the inbred Roman high- and low-avoidance (RHA and RLA, respectively) rats. These two strains mainly differ in the expression of anxiety, the RLA rats showing more anxiety-related behaviors (hence, more sensitive to frustration) than the RHA rats. At a neurobiological level, mild stress is known to elevate corticosterone in RLA rats and dopamine in RHA rats. We tested four groups of rats (RHA/CR, RHA/PR, RLA/CR, and RLA/PR) in two successive acquisition-extinction phases to try to consolidate the behavioral effects. Animals received training in a Pavlovian autoshaping procedure with retractable levers as the conditioned stimulus, food pellets as the unconditioned stimulus, and lever presses as the conditioned response. In Phase 1, we observed a PREE in lever pressing in both strains, but this effect was larger and longer lasting in RHA/PR than in RLA/PR rats. In Phase 2, reacquisition was fast and the PREE persisted in both strains, although the two PR groups no longer differed in lever pressing. The results are discussed in terms of frustration theory and of uncertainty-induced sensitization of dopaminergic neurons.
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Affiliation(s)
| | - Ricardo Pellón
- School of Psychology, Universidad Nacional de Educación a Distancia (UNED), 28040, Madrid, Spain
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX, 76129, United States
| | - Carmen Torres
- Department of Psychology, Universidad de Jaén, 23071, Jaén, Spain
| | - Alberto Fernández-Teruel
- Department of Psychiatry & Legal Medicine, Autonomous University of Barcelona, Bellaterra, Spain
| | - Patrick Anselme
- Department of Biopsychology, Ruhr-Universität Bochum, 44801, Bochum, Germany.
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22
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Donaire R, Papini MR, Torres C. Effects of alcohol consumption induced by reward loss on behavior in the hole-board test. Behav Processes 2020; 176:104135. [DOI: 10.1016/j.beproc.2020.104135] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/26/2020] [Accepted: 05/03/2020] [Indexed: 11/29/2022]
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Eye Movements in Response to Pain-Related Feelings in the Presence of Low and High Cognitive Loads. Behav Sci (Basel) 2020; 10:bs10050092. [PMID: 32443887 PMCID: PMC7287850 DOI: 10.3390/bs10050092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/08/2020] [Accepted: 05/15/2020] [Indexed: 11/21/2022] Open
Abstract
The affective dimension of pain contributes to pain perception. Cognitive load may influence pain-related feelings. Eye tracking has proven useful for detecting cognitive load effects objectively by using relevant eye movement characteristics. In this study, we investigated whether eye movement characteristics differ in response to pain-related feelings in the presence of low and high cognitive loads. A set of validated, control, and pain-related sounds were applied to provoke pain-related feelings. Twelve healthy young participants (six females) performed a cognitive task at two load levels, once with the control and once with pain-related sounds in a randomized order. During the tasks, eye movements and task performance were recorded. Afterwards, the participants were asked to fill out questionnaires on their pain perception in response to the applied cognitive loads. Our findings indicate that an increased cognitive load was associated with a decreased saccade peak velocity, saccade frequency, and fixation frequency, as well as an increased fixation duration and pupil dilation range. Among the oculometrics, pain-related feelings were reflected only in the pupillary responses to a low cognitive load. The performance and perceived cognitive load decreased and increased, respectively, with the task load level and were not influenced by the pain-related sounds. Pain-related feelings were lower when performing the task compared with when no task was being performed in an independent group of participants. This might be due to the cognitive engagement during the task. This study demonstrated that cognitive processing could moderate the feelings associated with pain perception.
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24
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Morillo-Rivero LE, Ibáñez-Molina AJ, Torres C. Successive negative contrast in humans: Dissociation between behavioral and affective measures of frustration. LEARNING AND MOTIVATION 2020. [DOI: 10.1016/j.lmot.2020.101634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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25
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Guarino S, Conrad SE, Papini MR. Frustrative nonreward: Chemogenetic inactivation of the central amygdala abolishes the effect of reward downshift without affecting alcohol intake. Neurobiol Learn Mem 2020; 169:107173. [PMID: 32001338 DOI: 10.1016/j.nlm.2020.107173] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 01/16/2020] [Accepted: 01/24/2020] [Indexed: 11/16/2022]
Abstract
The role of the central amygdala (CeA) in the adjustment to a 32-to-2% sucrose downshift in the consummatory successive negative contrast (cSNC) task and in a free-choice 10% alcohol-water preference task (PT) was studied using chemogenetic inactivation. cSNC is a model of frustrative nonreward that enhances alcohol consumption. In Experiment 1, sessions 1-10 involved 5-min access to 32% sucrose and sessions 11-12 involved access to 2% sucrose. Vehicle or clozapine N-oxide (CNO; 1 or 3 mg/kg, ip), used later to activate the inhibitory designer receptor, was administered 30 min before sessions 11-12. There was no evidence that CNO affected consummatory behavior after the sucrose downshift. In Experiment 2, all animals received an infusion of the inhibitory designer receptor hM4D(Gi) into the CeA. After recovery, animals received access to either 32% or 2% sucrose on sessions 1-10, followed by 2% sucrose on sessions 11-12. Immediately after each 5-min sucrose session, animals received a 2-bottle, 1-h PT with 10% alcohol and water. CNO (3 mg/kg, ip) or vehicle was administered 30 min before sessions 11-12. CeA inactivation prior to sucrose downshift eliminated the cSNC effect, which was observed in vehicle controls. However, there was no evidence that CeA inactivation affected preference for 10% alcohol over water. These results support the hypothesis that CeA activity is critical for cSNC effect, an outcome consistent with the view that the amygdala plays a central role in frustrative nonreward.
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Affiliation(s)
- Sara Guarino
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
| | - Shannon E Conrad
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA.
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26
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Siegrist J, Tough H, Brinkhof MWG, Fekete C. Failed reciprocity in social exchange and wellbeing: evidence from a longitudinal dyadic study in the disability setting. Psychol Health 2020; 35:1134-1150. [PMID: 31888380 DOI: 10.1080/08870446.2019.1707826] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Objectives: Failed reciprocity at work and in partnerships was shown to adversely affect wellbeing in general populations, but evidence in disability settings is widely lacking. We explore the effects of failed reciprocity on wellbeing and the impact of the partners' perception of reciprocity on wellbeing in persons with a physical disability and their partners.Design: We use longitudinal dyadic data from the pro-WELL study, a Swiss survey of persons with spinal cord injury (SCI) and their partners (n = 246). Two-level mixed-models with random effects for persons and repeated measures were applied.Main outcome measures: Cognitive wellbeing was measured with the Satisfaction with Life Scale and affective wellbeing with the Positive and Negative Affect Scale short-form.Results: Failed reciprocity at work and in the partnership was associated with all indicators of wellbeing in persons with SCI and with cognitive wellbeing and negative affect in caregiving partners. Life satisfaction of caregiving partners and positive affect of persons with SCI was lower if the partner perceived the partnership as non-reciprocal.Conclusion: Negative associations of failed reciprocity with wellbeing are not restricted to general populations but equally apply to the disability setting and dyadic analyses reveal the importance of the partners' perception of partnership reciprocity for wellbeing.
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Affiliation(s)
- Johannes Siegrist
- Senior Professorship 'Work Stress Research', Faculty of Medicine, University of Düsseldorf, Life-Science-Center, Düsseldorf, Germany
| | - Hannah Tough
- Swiss Paraplegic Research, Nottwil, Switzerland.,Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
| | - Martin W G Brinkhof
- Swiss Paraplegic Research, Nottwil, Switzerland.,Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
| | - Christine Fekete
- Swiss Paraplegic Research, Nottwil, Switzerland.,Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
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27
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Wirth JH, LeRoy AS, Bernstein MJ. “You’re such a pain!”: Investigating how psychological pain influences the ostracism of a burdensome group member. GROUP PROCESSES & INTERGROUP RELATIONS 2019. [DOI: 10.1177/1368430219844312] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Maintaining social relationships with others is essential for survival, but not all relationships are beneficial. Individuals exclude nonbeneficial burdensome group members, those who encumber group success. We investigated whether feeling psychological pain is a mechanism that prompts assessment of social threats―potentially putting the “brakes” on burdensome (nonbeneficial) relationships. Specifically, we investigated if interacting with burdensome individuals caused others to experience psychological pain, negative affect, and to dislike the burdensome individual. Across 5 studies, using 3 different paradigms, we found those who interacted with a burdensome individual experienced psychological pain, which influenced ostracizing (excluding and ignoring) the burdensome group member. In Studies 4 and 5, we found psychological pain mediated the relationship between burdensomeness and ostracism even when we accounted for negative affect and dislike of the burdensome individual. Our results suggest psychological pain can guide social interactions and should be the subject of future research involving social threat.
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28
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Becker S, Bräscher AK, Bannister S, Bensafi M, Calma-Birling D, Chan RCK, Eerola T, Ellingsen DM, Ferdenzi C, Hanson JL, Joffily M, Lidhar NK, Lowe LJ, Martin LJ, Musser ED, Noll-Hussong M, Olino TM, Pintos Lobo R, Wang Y. The role of hedonics in the Human Affectome. Neurosci Biobehav Rev 2019; 102:221-241. [PMID: 31071361 PMCID: PMC6931259 DOI: 10.1016/j.neubiorev.2019.05.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 03/25/2019] [Accepted: 05/03/2019] [Indexed: 01/06/2023]
Abstract
Experiencing pleasure and displeasure is a fundamental part of life. Hedonics guide behavior, affect decision-making, induce learning, and much more. As the positive and negative valence of feelings, hedonics are core processes that accompany emotion, motivation, and bodily states. Here, the affective neuroscience of pleasure and displeasure that has largely focused on the investigation of reward and pain processing, is reviewed. We describe the neurobiological systems of hedonics and factors that modulate hedonic experiences (e.g., cognition, learning, sensory input). Further, we review maladaptive and adaptive pleasure and displeasure functions in mental disorders and well-being, as well as the experience of aesthetics. As a centerpiece of the Human Affectome Project, language used to express pleasure and displeasure was also analyzed, and showed that most of these analyzed words overlap with expressions of emotions, actions, and bodily states. Our review shows that hedonics are typically investigated as processes that accompany other functions, but the mechanisms of hedonics (as core processes) have not been fully elucidated.
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Affiliation(s)
- Susanne Becker
- Department of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, J5, 68159 Mannheim, Germany.
| | - Anne-Kathrin Bräscher
- Department of Clinical Psychology, Psychotherapy and Experimental Psychopathology, University of Mainz, Wallstr. 3, 55122 Mainz, Germany.
| | | | - Moustafa Bensafi
- Research Center in Neurosciences of Lyon, CNRS UMR5292, INSERM U1028, Claude Bernard University Lyon 1, Lyon, Centre Hospitalier Le Vinatier, 95 bd Pinel, 69675 Bron Cedex, France.
| | - Destany Calma-Birling
- Department of Psychology, University of Wisconsin-Oshkosh, 800 Algoma, Blvd., Clow F011, Oshkosh, WI 54901, USA.
| | - Raymond C K Chan
- Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China.
| | - Tuomas Eerola
- Durham University, Palace Green, DH1 RL3, Durham, UK.
| | - Dan-Mikael Ellingsen
- Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, CNY149-2301, 13th St, Charlestown, MA 02129, USA.
| | - Camille Ferdenzi
- Research Center in Neurosciences of Lyon, CNRS UMR5292, INSERM U1028, Claude Bernard University Lyon 1, Lyon, Centre Hospitalier Le Vinatier, 95 bd Pinel, 69675 Bron Cedex, France.
| | - Jamie L Hanson
- University of Pittsburgh, Department of Psychology, 3939 O'Hara Street, Rm. 715, Pittsburgh, PA 15206, USA.
| | - Mateus Joffily
- Groupe d'Analyse et de Théorie Economique (GATE), 93 Chemin des Mouilles, 69130, Écully, France.
| | - Navdeep K Lidhar
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada.
| | - Leroy J Lowe
- Neuroqualia (NGO), 36 Arthur Street, Truro, NS, B2N 1X5, Canada.
| | - Loren J Martin
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada.
| | - Erica D Musser
- Department of Psychology, Center for Childen and Families, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA.
| | - Michael Noll-Hussong
- Clinic for Psychiatry and Psychotherapy, Division of Psychosomatic Medicine and Psychotherapy, Saarland University Medical Centre, Kirrberger Strasse 100, D-66421 Homburg, Germany.
| | - Thomas M Olino
- Temple University, Department of Psychology, 1701N. 13th St, Philadelphia, PA 19010, USA.
| | - Rosario Pintos Lobo
- Department of Psychology, Center for Childen and Families, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA.
| | - Yi Wang
- Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China.
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Ferris LJ, Jetten J, Hornsey MJ, Bastian B. Feeling Hurt: Revisiting the Relationship Between Social and Physical Pain. REVIEW OF GENERAL PSYCHOLOGY 2019. [DOI: 10.1177/1089268019857936] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Pain overlap theory has generated decades of controversy and still receives considerable research attention. A major advance has been the revelation that social and physical pain activate similar neural regions, providing suggestive evidence of a “piggybacked” alarm system that coevolved to detect social exclusion. Recent developments, however, have brought neural evidence for pain overlap into question. We analyze these developments from a social psychological perspective and identify the need for a reformulated approach. To meet this need, we provide a framework that a priori predicts generalized overlap and specific divergence across a range of biopsychosocial domains. The framework points to a functional pattern for similarities and differences, which can be utilized to generate testable hypotheses so that the field can move forward. To demonstrate the utility and promise of the framework, we identify key hypotheses relating to attention, motivation, and responses to pain, and review research relevant to these hypotheses.
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Affiliation(s)
- Laura J. Ferris
- The University of Queensland, St. Lucia, Queensland, Australia
| | - Jolanda Jetten
- The University of Queensland, St. Lucia, Queensland, Australia
| | | | - Brock Bastian
- The University of Melbourne, Melbourne, Victoria, Australia
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30
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Jiménez-García AM, Ruiz-Leyva L, Vázquez-Ágredos A, Torres C, Papini MR, Cendán CM, Morón I. Consummatory Successive Negative Contrast in Rats. Bio Protoc 2019; 9:e3201. [PMID: 33654997 DOI: 10.21769/bioprotoc.3201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 03/24/2019] [Accepted: 03/17/2019] [Indexed: 11/02/2022] Open
Abstract
Using animal models in addiction and pain research is pivotal to unravel new pathways and mechanisms for the treatment of these disorders. Reward devaluation through a consummatory successive negative contrast (cSNC) task has shown the ability to reduce physical pain sensitivity (hypoalgesia) and increase oral ethanol consumption in rats. The procedure is based on exposing the experimental animals to a 32% sucrose solution during several sessions (preshift sessions) followed by a devaluation to 4% sucrose during the next few sessions (postshift sessions). The cSNC effect can be monitored by comparing the experimental group to an unshifted control that had access to 4% sucrose throughout the entire experiment (preshift and postshift sessions). The cSNC phenomenon is defined by lower consumption of sucrose in the downshifted group than in the unshifted group during postshfit sessions.
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Affiliation(s)
- Ana María Jiménez-García
- Department of Pharmacology, Biomedical Research Center (CIBM) and Institute of Neuroscience, Faculty of Medicine, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18016, Granada, Spain
| | - Leandro Ruiz-Leyva
- Department of Pharmacology, Biomedical Research Center (CIBM) and Institute of Neuroscience, Faculty of Medicine, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18016, Granada, Spain
| | - Ana Vázquez-Ágredos
- Department of Pharmacology, Biomedical Research Center (CIBM) and Institute of Neuroscience, Faculty of Medicine, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18016, Granada, Spain
| | - Carmen Torres
- Department of Psychology, University of Jaén, Campus Las Lagunillas, 23071, Jaén, Spain
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX, 76129, USA
| | - Cruz Miguel Cendán
- Department of Pharmacology, Biomedical Research Center (CIBM) and Institute of Neuroscience, Faculty of Medicine, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18016, Granada, Spain.,Biosanitary Research Institute, University Hospital Complex of Granada, 18012, Granada, Spain
| | - Ignacio Morón
- Department of Psychobiology and Research Center for Mind, Brain, and Behavior (CIMCYC), University of Granada, Faculty of Psychology, Campus Cartuja, 18071, Granada, Spain
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Donaire R, Morón I, Blanco S, Villatoro A, Gámiz F, Papini MR, Torres C. Lateral habenula lesions disrupt appetitive extinction, but do not affect voluntary alcohol consumption. Neurosci Lett 2019; 703:184-190. [PMID: 30928477 DOI: 10.1016/j.neulet.2019.03.044] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/14/2019] [Accepted: 03/25/2019] [Indexed: 12/25/2022]
Abstract
This study analyzed the effects of LHb lesions on appetitive extinction and alcohol consumption. Eighteen male Wistar rats received neurochemical lesions of the LHb (quinolinic acid) and 12 received a vehicle infusion (PBS). In a runway instrumental task, rats received acquisition (12 pellets/trial, 6 trials/session, 10 sessions) and extinction training (5 sessions). In a consummatory task, rats had daily access to 32% sucrose (5 min, 10 sessions) followed by access to water (5 sessions). Then, animals received 2 h preference tests with escalating alcohol concentrations (2%-24%), followed by two 24 h preference tests with 24% alcohol. Relative to Shams, LHb lesions delayed extinction, as indicated by lower response latencies (instrumental task) and higher fluid consumption (consummatory task). LHb lesions did not affect alcohol consumption regardless of alcohol concentration or test duration. The LHb modulates appetitive extinction and needs to be considered as part of the brain circuit underlying reward loss.
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Affiliation(s)
- Rocio Donaire
- Department of Psychology, University of Jaén, 23071, Spain
| | - Ignacio Morón
- Department of Psychobiology, Research Center for Mind, Brain, and Behavior (CIMCYC), University of Granada, Spain
| | - Santos Blanco
- Department of Experimental Biology, University of Jaén, Spain
| | | | - Fernando Gámiz
- Department of Psychobiology, Biomedic Research Center (CIBM), Neuroscience Institute "Federico Olóriz", University of Granada, Spain
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, USA
| | - Carmen Torres
- Department of Psychology, University of Jaén, 23071, Spain.
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Lerma-Cabrera JM, Arévalo-Romero CA, Cortés-Toledo GA, Adriasola-Carrasco AA, Carvajal F. Emotional Reactivity to Incentive Downshift in Adult Rats Exposed to Binge-Like Ethanol Exposure During Adolescence. Front Psychol 2019; 10:315. [PMID: 30837923 PMCID: PMC6389680 DOI: 10.3389/fpsyg.2019.00315] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 02/01/2019] [Indexed: 02/01/2023] Open
Abstract
Alcohol use in adolescents is often characterized by binge-like ethanol consumption pattern, which is associated with long-term health consequences and even with important harms to his developing brain. Among this, ethanol exposure induces long-lasting alterations in anxiety-related neurobiological systems such as corticotropin releasing factor (CRF) or melanocortin system (MC). Recently, it has been demonstrated that adult rats exposed to adolescent intermittent ethanol (AIE) exposure exhibited anxiogenic-like behavior. Given that it has been demonstrated that negative affective state is relevant to development of addictive behavior, it is tempting to suggest that increased risk of adult abusive alcohol use exhibited in rats exposed to ethanol during adolescence may be related with differences in anxiety-related behavior. We conducted a study investigating the emotional reactivity after a reward devaluation (12-to-1 pellet or 32-to-4% sucrose downshift) in adult rats exposed to binge-like ethanol exposure during adolescence. For this aim, adolescent Sprague-Dawley rats were treated with ethanol (2.5 g/kg ip; AIE) or saline (AIS) for 2 consecutive days at 48-h intervals over a 14-day period (PND30-PND43). Following 25 free-ethanol days, adult rats were trained in consummatory and instrumental successive negative contrast task (cSNC and iSNC). Our data shows that both AIE and AIS groups exhibited suppression of the consummatory and instrumental behavior after reward devaluation relative to unshifthed control. Also, adult rats exposed to alcohol during adolescence exhibited a particularly strong negative affective state (lower sucrose consumption) with regards to the AIS group in the cSNC. This data demonstrated that adolescent binge-like ethanol exposure might trigger a greater emotional reactivity following incentive downshift, which might be linked to higher vulnerability to substance use disorder.
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Affiliation(s)
- José Manuel Lerma-Cabrera
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago, Chile
- Facultad de Psicología, Universidad de Oviedo, Oviedo, Spain
| | - Camilo Andrés Arévalo-Romero
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago, Chile
| | | | | | - Francisca Carvajal
- Centro de Investigación Biomédica, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago, Chile
- Facultad de Psicología, Universidad de Almería, Almería, Spain
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Papini MR, Penagos-Corzo JC, Pérez-Acosta AM. Avian Emotions: Comparative Perspectives on Fear and Frustration. Front Psychol 2019; 9:2707. [PMID: 30705652 PMCID: PMC6344452 DOI: 10.3389/fpsyg.2018.02707] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 12/17/2018] [Indexed: 01/29/2023] Open
Abstract
Emotions are complex reactions that allow individuals to cope with significant positive and negative events. Research on emotion was pioneered by Darwin’s work on emotional expressions in humans and animals. But Darwin was concerned mainly with facial and bodily expressions of significance for humans, citing mainly examples from mammals (e.g., apes, dogs, and cats). In birds, emotional expressions are less evident for a human observer, so a different approach is needed. Understanding avian emotions will provide key evolutionary information on the evolution of related behaviors and brain circuitry. Birds and mammals are thought to have evolved from different groups of Mesozoic reptiles, theropod dinosaurs and therapsids, respectively, and therefore, their common ancestor is likely to be a basal reptile living about 300 million years ago, during the Carboniferous or Permian period. Yet, birds and mammals exhibit extensive convergence in terms of relative brain size, high levels of activity, sleep/wakefulness cycles, endothermy, and social behavior, among others. This article focuses on two basic emotions with negative valence: fear and frustration. Fear is related to the anticipation of dangerous or threatening stimuli (e.g., predators or aggressive conspecifics). Frustration is related to unexpected reward omissions or devaluations (e.g., loss of food or sexual resources). These results have implications for an understanding of the conditions that promote fear and frustration and for the evolution of supporting brain circuitry.
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Abstract
Our social environment, from the microscopic to the macro-social, affects us for the entirety of our lives. One integral line of research to examine how interpersonal and societal environments can get "under the skin" is through the lens of epigenetics. Epigenetic mechanisms are adaptations made to our genome in response to our environment which include tags placed on and removed from the DNA itself to how our DNA is packaged, affecting how our genes are read, transcribed, and interact. These tags are affected by social environments and can persist over time; this may aid us in responding to experiences and exposures, both the enriched and the disadvantageous. From memory formation to immune function, the experience-dependent plasticity of epigenetic modifications to micro- and macro-social environments may contribute to the process of learning from comfort, pain, and stress to better survive in whatever circumstances life has in store.
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Affiliation(s)
- Sarah M Merrill
- Centre for Molecular Medicine and Therapeutics, British Columbia Children's Hospital, Vancouver, BC, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Nicole Gladish
- Centre for Molecular Medicine and Therapeutics, British Columbia Children's Hospital, Vancouver, BC, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Michael S Kobor
- Centre for Molecular Medicine and Therapeutics, British Columbia Children's Hospital, Vancouver, BC, Canada.
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada.
- Human Early Learning Partnership, University of British Columbia, Vancouver, BC, Canada.
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Glueck AC, Torres C, Papini MR. Transfer between anticipatory and consummatory tasks involving reward loss. LEARNING AND MOTIVATION 2018. [DOI: 10.1016/j.lmot.2018.05.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Donaire R, Conrad SE, Thompson JB, Papini MR, Torres C. Augmented voluntary consumption of ethanol induced by reward downshift increases locomotor activity of male Wistar rats in the elevated plus maze. Behav Processes 2018; 150:59-65. [DOI: 10.1016/j.beproc.2018.02.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/12/2018] [Accepted: 02/13/2018] [Indexed: 10/18/2022]
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Puddington MM, Papini MR, Muzio RN. Duration of extinction trials as a determinant of instrumental extinction in terrestrial toads (Rhinella arenarum). Anim Cogn 2017; 21:165-174. [PMID: 29249080 DOI: 10.1007/s10071-017-1149-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Revised: 11/27/2017] [Accepted: 12/02/2017] [Indexed: 11/28/2022]
Abstract
Instrumental learning guides behavior toward resources. When such resources are no longer available, approach to previously reinforced locations is reduced, a process called extinction. The present experiments are concerned with factors affecting the extinction of acquired behaviors in toads. In previous experiments, total reward magnitude in acquisition and duration of extinction trials were confounded. The present experiments were designed to test the effects of these factors in factorial designs. Experiment 1 varied reward magnitude (900, 300, or 100 s of water access per trial) and amount of acquisition training (5 or 15 daily trials). With total amount of water access equated in acquisition, extinction with large rewards was faster (longer latencies in 900/5 than 300/15), but with total amount of training equated, extinction with small rewards was faster (longer latencies in 100/15 than 300/15). Experiment 2 varied reward magnitude (1200 or 120 s of water access per trial) while holding constant the number of acquisition trials (5 daily trials) and the duration of extinction trials (300 s). Extinction performance was lower with small, rather than large reward magnitude (longer latencies in 120/300 than in 1200/300). Thus, instrumental extinction depends upon the amount of time toads are exposed to the empty goal compartment during extinction trials.
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Affiliation(s)
- Martín M Puddington
- Grupo de Aprendizaje y Cognición Comparada, Laboratorio de Biología del Comportamiento, Instituto de Biología y Medicina Experimental (IBYME-CONICET), and Facultad de Psicología, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Mauricio R Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX, 76129, USA
| | - Rubén N Muzio
- Grupo de Aprendizaje y Cognición Comparada, Laboratorio de Biología del Comportamiento, Instituto de Biología y Medicina Experimental (IBYME-CONICET), and Facultad de Psicología, Universidad de Buenos Aires, Buenos Aires, Argentina.
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38
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Hayes DJ, Chen DQ, Zhong J, Lin A, Behan B, Walker M, Hodaie M. Affective Circuitry Alterations in Patients with Trigeminal Neuralgia. Front Neuroanat 2017; 11:73. [PMID: 28928638 PMCID: PMC5591854 DOI: 10.3389/fnana.2017.00073] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 08/11/2017] [Indexed: 11/24/2022] Open
Abstract
Trigeminal neuralgia (TN) is a severe chronic neuropathic facial pain disorder. Affect-related behavioral and structural brain changes have been noted across chronic pain disorders, but have not been well-studied in TN. We examined the potential impact of TN (37 patients: 23 with right-sided TN, 14 with left-sided TN), compared to age- and sex-matched healthy controls, on three major white matter tracts responsible for carrying affect-related signals—i.e., cingulum, fornix, and medial forebrain bundle. Diffusion magnetic resonance imaging (dMRI), deterministic multi-tensor tractography for tract modeling, and a model-driven region-of-interest approach was used. We also used volumetric gray matter analysis on key targets of these pathways (i.e., hippocampus, cingulate cortex subregions, nucleus accumbens, and ventral diencephalon). Hypotheses included: (1) successful modeling of tracts; (2) altered white matter microstructure of the cingulum and medial forebrain bundle (via changes in dMRI metrics such as fractional anisotropy, and mean, axial, and radial diffusivities) compared to controls; (3) no alterations in the control region of the fornix; (4) corresponding decreases in gray matter volumes. Results showed (1) all 325 tracts were successfully modeled, although 11 were partially complete; (2) The cingulum and medial forebrain bundle (MFB) were altered in those with TN, with dMRI metric changes in the middle (p = 0.001) and posterior cingulum (p < 0.0001), and the MFB near the ventral tegmental area (MFB-VTA) (p = 0.001). The posterior cingulum and MFB-VTA also showed unilateral differences between right- and left-sided TN patients; (3) No differences were noted at any fornix subdivision; (4) decreased volumes were noted for the hippocampus, posterior cingulate, nucleus accumbens, and ventral diencephalon. Together, these results support the notion of selectively altered affective circuits in patients with TN, which may be related to the experience of negative affect and the increased comorbidity of mood and anxiety disorders in this population.
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Affiliation(s)
- Dave J Hayes
- Psychology Department and Neuroscience Program, Union CollegeSchenectady, NY, United States.,Division of Brain, Imaging and Behaviour Systems Neuroscience and Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Research Institute, University Health Network, University of TorontoToronto, ON, Canada
| | - David Q Chen
- Division of Brain, Imaging and Behaviour Systems Neuroscience and Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Research Institute, University Health Network, University of TorontoToronto, ON, Canada
| | - Jidan Zhong
- Division of Brain, Imaging and Behaviour Systems Neuroscience and Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Research Institute, University Health Network, University of TorontoToronto, ON, Canada
| | - Ariel Lin
- Psychology Department and Neuroscience Program, Union CollegeSchenectady, NY, United States
| | - Brendan Behan
- Division of Brain, Imaging and Behaviour Systems Neuroscience and Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Research Institute, University Health Network, University of TorontoToronto, ON, Canada
| | - Matthew Walker
- Division of Brain, Imaging and Behaviour Systems Neuroscience and Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Research Institute, University Health Network, University of TorontoToronto, ON, Canada
| | - Mojgan Hodaie
- Division of Brain, Imaging and Behaviour Systems Neuroscience and Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Research Institute, University Health Network, University of TorontoToronto, ON, Canada
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Abstract
Three experiments explored the link between reward shifts and latent inhibition (LI). Using consummatory procedures, rewards were either downshifted from 32% to 4% sucrose (Experiments 1-2), or upshifted from 4% to 32% sucrose (Experiment 3). In both cases, appropriate unshifted controls were also included. LI was implemented in terms of fear conditioning involving a single tone-shock pairing after extensive tone-only preexposure. Nonpreexposed controls were also included. Experiment 1 demonstrated a typical LI effect (i.e., disruption of fear conditioning after preexposure to the tone) in animals previously exposed only to 4% sucrose. However, the LI effect was eliminated by preexposure to a 32%-to-4% sucrose devaluation. Experiment 2 replicated this effect when the LI protocol was administered immediately after the reward devaluation event. However, LI was restored when preexposure was administered after a 60-min retention interval. Finally, Experiment 3 showed that a reward upshift did not affect LI. These results point to a significant role of negative emotion related to reward devaluation in the enhancement of stimulus processing despite extensive nonreinforced preexposure experience.
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40
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Reward loss and the basolateral amygdala: A function in reward comparisons. Behav Brain Res 2017; 331:205-213. [DOI: 10.1016/j.bbr.2017.05.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 05/08/2017] [Accepted: 05/10/2017] [Indexed: 11/23/2022]
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Pellissier LP, Gandía J, Laboute T, Becker JAJ, Le Merrer J. μ opioid receptor, social behaviour and autism spectrum disorder: reward matters. Br J Pharmacol 2017; 175:2750-2769. [PMID: 28369738 DOI: 10.1111/bph.13808] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 03/10/2017] [Accepted: 03/24/2017] [Indexed: 12/19/2022] Open
Abstract
The endogenous opioid system is well known to relieve pain and underpin the rewarding properties of most drugs of abuse. Among opioid receptors, the μ receptor mediates most of the analgesic and rewarding properties of opioids. Based on striking similarities between social distress, physical pain and opiate withdrawal, μ receptors have been proposed to play a critical role in modulating social behaviour in humans and animals. This review summarizes experimental data demonstrating such role and proposes a novel model, the μ opioid receptor balance model, to account for the contribution of μ receptors to the subtle regulation of social behaviour. Interestingly, μ receptor null mice show behavioural deficits similar to those observed in patients with autism spectrum disorder (ASD), including severe impairment in social interactions. Therefore, after a brief summary of recent evidence for blunted (social) reward processes in subjects with ASD, we review here arguments for altered μ receptor function in this pathology. This article is part of a themed section on Emerging Areas of Opioid Pharmacology. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v175.14/issuetoc.
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Affiliation(s)
- Lucie P Pellissier
- Physiologie de la Reproduction et des Comportements, INRA UMR-0085, CNRS UMR-7247, Université de Tours Rabelais, IFCE, Inserm, Nouzilly, France
| | - Jorge Gandía
- Physiologie de la Reproduction et des Comportements, INRA UMR-0085, CNRS UMR-7247, Université de Tours Rabelais, IFCE, Inserm, Nouzilly, France
| | - Thibaut Laboute
- Physiologie de la Reproduction et des Comportements, INRA UMR-0085, CNRS UMR-7247, Université de Tours Rabelais, IFCE, Inserm, Nouzilly, France
| | - Jérôme A J Becker
- Physiologie de la Reproduction et des Comportements, INRA UMR-0085, CNRS UMR-7247, Université de Tours Rabelais, IFCE, Inserm, Nouzilly, France
| | - Julie Le Merrer
- Physiologie de la Reproduction et des Comportements, INRA UMR-0085, CNRS UMR-7247, Université de Tours Rabelais, IFCE, Inserm, Nouzilly, France
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Do-Monte FH, Minier-Toribio A, Quiñones-Laracuente K, Medina-Colón EM, Quirk GJ. Thalamic Regulation of Sucrose Seeking during Unexpected Reward Omission. Neuron 2017; 94:388-400.e4. [PMID: 28426970 PMCID: PMC5484638 DOI: 10.1016/j.neuron.2017.03.036] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 02/02/2017] [Accepted: 03/27/2017] [Indexed: 01/05/2023]
Abstract
The paraventricular nucleus of the thalamus (PVT) is thought to regulate behavioral responses under emotionally arousing conditions. Reward-associated cues activate PVT neurons; however, the specific PVT efferents regulating reward seeking remain elusive. Using a cued sucrose-seeking task, we manipulated PVT activity under two emotionally distinct conditions: (1) when reward was available during the cue as expected or (2) when reward was unexpectedly omitted during the cue. Pharmacological inactivation of the anterior PVT (aPVT), but not the posterior PVT, increased sucrose seeking only when reward was omitted. Consistent with this, photoactivation of aPVT neurons abolished sucrose seeking, and the firing of aPVT neurons differentiated reward availability. Photoinhibition of aPVT projections to the nucleus accumbens or to the amygdala increased or decreased, respectively, sucrose seeking only when reward was omitted. Our findings suggest that PVT bidirectionally modulates sucrose seeking under the negative (frustrative) conditions of reward omission.
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Affiliation(s)
- Fabricio H Do-Monte
- Departments of Psychiatry and Anatomy & Neurobiology, University of Puerto Rico School of Medicine, PO Box 365067, San Juan 00936, Puerto Rico.
| | - Angélica Minier-Toribio
- Departments of Psychiatry and Anatomy & Neurobiology, University of Puerto Rico School of Medicine, PO Box 365067, San Juan 00936, Puerto Rico
| | - Kelvin Quiñones-Laracuente
- Departments of Psychiatry and Anatomy & Neurobiology, University of Puerto Rico School of Medicine, PO Box 365067, San Juan 00936, Puerto Rico
| | - Estefanía M Medina-Colón
- Departments of Psychiatry and Anatomy & Neurobiology, University of Puerto Rico School of Medicine, PO Box 365067, San Juan 00936, Puerto Rico
| | - Gregory J Quirk
- Departments of Psychiatry and Anatomy & Neurobiology, University of Puerto Rico School of Medicine, PO Box 365067, San Juan 00936, Puerto Rico
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Reward loss and addiction: Opportunities for cross-pollination. Pharmacol Biochem Behav 2017; 154:39-52. [DOI: 10.1016/j.pbb.2017.02.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 02/01/2017] [Accepted: 02/03/2017] [Indexed: 12/20/2022]
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Cano A, Goubert L. What's in a Name? The Case of Emotional Disclosure of Pain-Related Distress. THE JOURNAL OF PAIN 2017; 18:881-888. [PMID: 28163234 DOI: 10.1016/j.jpain.2017.01.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 12/10/2016] [Accepted: 01/21/2017] [Indexed: 01/22/2023]
Abstract
Pain behavior plays a key role in many theoretical models of pain, with many of these models conceptualizing pain behaviors as potentially detrimental to patient functioning. We propose that a certain class of behaviors-talking to others about one's pain-related distress (ie, emotional disclosures of pain-related distress)-can be distinguished from other behaviors traditionally conceptualized as pain behaviors. Emotional disclosures of pain-related distress include verbally disclosing one's anger, sadness, or worry about the pain and its effects to another person. In this article, conceptual and empirical evidence is offered to indicate that these verbal behaviors are distinct from other pain behaviors such as bodily expressions and motions, facial expressions, pain ratings, and paraverbal expressions. Emotion and relationships models are also applied to assert that disclosures of pain-related distress may have functions that are not shared with other pain behaviors. In addition to an expanded conceptualization of these verbal expressions of distress about pain, further directions are provided to spur new research as well as clinical recommendations concerning appropriate responses to these behaviors. PERSPECTIVE This article offers an expanded conceptualization of one type of pain behavior-emotional disclosure of pain-related distress-by showing the theoretical and empirical distinctions between this behavior and other pain behaviors. This perspective may enhance clinical work and research aimed at identifying adaptive responses to these behaviors to improve pain adjustment.
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Affiliation(s)
- Annmarie Cano
- Wayne State University, Department of Psychology, Detroit, Michigan.
| | - Liesbet Goubert
- Ghent University, Department of Experimental-Clinical and Health Psychology, Gent, Belgium
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Abstract
During extinction, the organism learns that a conditioned stimulus or a conditioned response is no longer associated with an unconditioned stimulus, and as a consequence, a decrement in the response is presented. The exposure to novel situations (e.g. exploration of a novel open field) has been used widely to modulate (i.e. either enhance or deteriorate) learning and memory. The aim of the present study was to test whether open-field exposure could modulate consummatory extinction. The results indicated that open-field exposure accelerated the extinction response (i.e. experimental animals provided novelty exposure had lower consummatory behavior than control animals) when applied before - but not after - the first extinction trial, or when applied before the second extinction trial. The results suggest that environmental treatments such as novelty exposure provide a valuable, nonpharmacological alternative to potentially modulate extinction processes.
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Abstract
Suicide is one of the leading causes of violent death in many countries and its prevention is included in worldwide health objectives. Currently, the DSM-5 considers suicidal behavior as an entity that requires further study. Among the three validators required for considering a psychiatric disorder, there is one based on psychological correlates, biological markers, and patterns of comorbidity. This review includes the most important and recent studies on psychological factors: cognitive, emotional, temperament, and personality correlates (unrelated to diagnostic criteria). We included classic factors related to suicidal behavior such as cognitive, inflexibility, problem-solving, coping, rumination, thought suppression, decision-making, autobiographical memory, working memory, language fluency, burdensomeness, belongingness, fearless, pain insensitivity, impulsiveness, aggressiveness, and hopelessness. The personality correlates reported are mainly based on the personality theories of Cloninger, Costa and McCrae, and Eysenck. Moreover, it explores conceptual links to other new pathways in psychological factors, emptiness, and psychological pain as a possible origin and common end path for a portion of suicidal behaviors.
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Jiménez-García AM, Ruíz-Leyva L, Cendán CM, Torres C, Papini MR, Morón I. Hypoalgesia Induced by Reward Devaluation in Rats. PLoS One 2016; 11:e0164331. [PMID: 27764142 PMCID: PMC5072740 DOI: 10.1371/journal.pone.0164331] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Accepted: 09/25/2016] [Indexed: 11/18/2022] Open
Abstract
Reduced sensitivity to physical pain (hypoalgesia) has been reported after events involving reward devaluation. Reward devaluation was implemented in a consummatory successive negative contrast (cSNC) task. Food-deprived Wistar rats had access to 32% sucrose during 16 sessions followed by access to 4% sucrose during 3 additional sessions. An unshifted control group had access to 4% sucrose throughout the 19 sessions. Pain sensitivity was measured using von Frey filaments (Experiment 1) and Hargreaves thermal stimuli (Experiment 2) in pretraining baseline, 5 min, and 300 min after either the first (session 17) or second (session 18) devaluation session in the cSNC situation. Sucrose consumption was lower in downshifted groups relative to unshifted groups during postshift sessions-the cSNC effect. Hypoalgesia was observed in downshifted groups relative to unshifted controls when pain sensitivity was assessed 5 min after either the first or second devaluation session, regardless of the pain sensitivity test used. Both pain sensitivity tests yielded evidence of hypoalgesia 300 min after the second downshift session, but not 300 min after the first devaluation session. Whereas hypoalgesia was previously shown only after the second devaluation session, here we report evidence of hypoalgesia after both the first and second devaluation sessions using mechanical and thermal nociceptive stimuli. Moreover, the hypoalgesia observed 300 min after the second devaluation session in both experiments provides unique evidence of the effects of reward loss on sensitivity to physical pain 5 hours after the loss episode. The underlying neurobehavioral mechanisms remain to be identified.
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Affiliation(s)
- Ana María Jiménez-García
- Department of Pharmacology, Biomedical Research Center (CIBM) and Institute of Neuroscience, Faculty of Medicine, University of Granada, Campus Ciencias de la Salud, 18016, Granada, Spain
- Department of Psychobiology and Research Center for Mind, Brain, and Behavior (CIMCYC), University of Granada, Faculty of Psychology, Campus Cartuja, 18071, Granada, Spain
| | - Leandro Ruíz-Leyva
- Department of Pharmacology, Biomedical Research Center (CIBM) and Institute of Neuroscience, Faculty of Medicine, University of Granada, Campus Ciencias de la Salud, 18016, Granada, Spain
- Department of Psychobiology and Research Center for Mind, Brain, and Behavior (CIMCYC), University of Granada, Faculty of Psychology, Campus Cartuja, 18071, Granada, Spain
| | - Cruz Miguel Cendán
- Department of Pharmacology, Biomedical Research Center (CIBM) and Institute of Neuroscience, Faculty of Medicine, University of Granada, Campus Ciencias de la Salud, 18016, Granada, Spain
| | - Carmen Torres
- Department of Psychology, University of Jaén, Campus Las Lagunillas, 23071, Jaén, Spain
| | - Mauricio R. Papini
- Department of Psychology, Texas Christian University, Fort Worth, TX, 76129, United States of America
| | - Ignacio Morón
- Department of Psychobiology and Research Center for Mind, Brain, and Behavior (CIMCYC), University of Granada, Faculty of Psychology, Campus Cartuja, 18071, Granada, Spain
- * E-mail:
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Open field exposure facilitates recovery from an aversive emotional event: Involvement of adrenergic and cholinergic transmitter systems. Neurosci Lett 2016; 633:202-209. [DOI: 10.1016/j.neulet.2016.09.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 08/20/2016] [Accepted: 09/12/2016] [Indexed: 12/17/2022]
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Torres C, Glueck AC, Conrad SE, Morón I, Papini MR. Dorsomedial striatum lesions affect adjustment to reward uncertainty, but not to reward devaluation or omission. Neuroscience 2016; 332:13-25. [DOI: 10.1016/j.neuroscience.2016.06.041] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 06/20/2016] [Accepted: 06/23/2016] [Indexed: 12/15/2022]
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Schulz D, Henn FA, Petri D, Huston JP. Rats bred for helplessness exhibit positive reinforcement learning deficits which are not alleviated by an antidepressant dose of the MAO-B inhibitor deprenyl. Neuroscience 2016; 329:83-92. [DOI: 10.1016/j.neuroscience.2016.04.049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 04/16/2016] [Accepted: 04/29/2016] [Indexed: 01/14/2023]
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