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Liang HB, He WY, Liu YP, Wang HB. Pain Comorbidities with Attention Deficit: A Narrative Review of Clinical and Preclinical Research. J Pain Res 2024; 17:1055-1065. [PMID: 38505503 PMCID: PMC10948333 DOI: 10.2147/jpr.s443915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 02/23/2024] [Indexed: 03/21/2024] Open
Abstract
A negative correlation exists between attention and pain. The cognitive impairments linked to pain can significantly impede a patient's healing process and everyday tasks, particularly for individuals experiencing persistent pain. Furthermore, it has been demonstrated that diversion can effectively decrease pain levels in individuals. The focus of this review is to analyze clinical trials and fundamental investigations regarding alterations in focus and persistent discomfort. Moreover, we investigated the common neuroanatomy associated with attention and pain. Furthermore, we examined the impact of various neuromodulators on the transmission of pain and processes related to attention, while also considering the potential neural mechanisms that contribute to the co-occurrence of pain and attention deficits. Further investigation in this field will enhance our comprehension of patient symptoms and the underlying pathophysiology, ultimately resulting in more objective approaches to treatment.
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Affiliation(s)
- Hong-Bin Liang
- Graduate School of Guangdong Medical University, Zhanjiang, Guangdong Province, People’s Republic of China
- Department of Anesthesiology, The First People’s Hospital of Foshan, Foshan, Guangdong Province, People’s Republic of China
| | - Wan-You He
- Department of Anesthesiology, The First People’s Hospital of Foshan, Foshan, Guangdong Province, People’s Republic of China
| | - Yan-Ping Liu
- College of Nursing, Shandong First Medical University (Shandong Academy of Medical Science), Jinan, Shandong Province, People’s Republic of China
| | - Han-Bing Wang
- Graduate School of Guangdong Medical University, Zhanjiang, Guangdong Province, People’s Republic of China
- Department of Anesthesiology, The First People’s Hospital of Foshan, Foshan, Guangdong Province, People’s Republic of China
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Mei X, Wang L, Yang B, Li X. Sex differences in noradrenergic modulation of attention and impulsivity in rats. Psychopharmacology (Berl) 2021; 238:2167-2177. [PMID: 33834255 DOI: 10.1007/s00213-021-05841-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 03/29/2021] [Indexed: 01/01/2023]
Abstract
RATIONALE Noradrenaline (NE) is closely related to attentive performance and impulsive control. However, the potential sex differences regarding attention and impulsivity under the noradrenergic modulation have been largely neglected. Therefore, our study aimed to investigate whether male and female rats exhibit differential responses to NE-related drugs during the five-choice serial reaction time task (5CSRT). METHODS Male and female rats were trained in 5CSRT and administered with different NE drugs after obtaining stable baseline performance: atipamezole, a highly selective α2 receptor antagonist; prazosin, an α1 receptor antagonist; and atomoxetine, a selective NE reuptake inhibitor. Later, prazosin was selected to co-administration with atomoxetine. RESULTS Male and female rats exhibited equal learning speed, and no significant baseline differences were found as measured by the 5CSRT. Atomoxetine decreased premature responses in both sexes, but the extent of this reduction was different, with the reduction greater in males. Besides, atomoxetine (1.8 mg/kg) increased the error of omissions in females. The high dose of prazosin (0.5 mg/kg) decreased the accuracy only in male rats, but this was ameliorated by the co-administration with atomoxetine. CONCLUSIONS Atomoxetine showed significant improvement in impulsivity, but atomoxetine had less beneficial effects on impulsive control in females than in males, and it even impaired attentional performance in female rats. The α1 receptors were mainly responsible for NE drug-related sex differences in attention rather than impulsivity. The results obtained in this study indicate that the sex differences exist in both attention and impulsivity by the modulation of noradrenaline and raise the concern to improve sex-specific treatments.
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Affiliation(s)
- Xiaolin Mei
- College of Psychology, Capital Normal University, Beijing, 100048, China
- Department of Psychology, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Lutong Wang
- College of Psychology, Capital Normal University, Beijing, 100048, China
| | - Bo Yang
- Department of Psychology, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Xinwang Li
- College of Psychology, Capital Normal University, Beijing, 100048, China.
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Noradrenergic contributions to cue-driven risk-taking and impulsivity. Psychopharmacology (Berl) 2021; 238:1765-1779. [PMID: 33649970 DOI: 10.1007/s00213-021-05806-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/22/2021] [Indexed: 02/02/2023]
Abstract
RATIONALE The flashing lights and sounds of modern casinos are alluring and may contribute to the addictive nature of gambling. Such cues can have a profound impact on the noradrenaline (NA) system, which could therefore be a viable therapeutic target for gambling disorder (GD). While there is substantial evidence to support the involvement of NA in the impulsive symptoms of GD, its function in mediating the "pro-addictive" impact of cues is less understood. OBJECTIVE We wished to investigate the role of NA in our rodent assay of decision making and impulsivity, the cued rat gambling task (crGT). Given that sex differences are prominent in addiction disorders, and increasingly reported in the monoaminergic regulation of behaviour, we also prioritised evaluating noradrenergic drugs in both sexes. METHODS Female and male rats were trained to stability on the crGT and then given intraperitoneal injections of the noradrenaline reuptake inhibitor atomoxetine, the α2A receptor agonist guanfacine, the beta receptor antagonist propranolol, and the α2 receptor antagonist yohimbine. RESULTS Atomoxetine dose-dependently improved decision-making score. Guanfacine selectively enhanced decision making in risk-preferring males and optimal performing females. Propranolol and yohimbine did not influence decision making. Atomoxetine and guanfacine reduced premature responses, while yohimbine bi-phasically affected this index of motor impulsivity. CONCLUSIONS These results support the hypothesis that NA is an important neuromodulator of the cue-induced deficits in decision making observed in laboratory-based gambling paradigms, and suggest that NAergic drugs like atomoxetine and guanfacine may be useful in treating GD.
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Abstract
Neuropharmacological interventions in preclinical translational models of impulsivity have tremendously contributed to a better understanding of the neurochemistry and neural basis of impulsive behaviour. In this regard, much progress has been made over the last years, also due to the introduction of novel techniques in behavioural neuroscience such as optogenetics and chemogenetics. In this chapter, we will provide an update of how the behavioural pharmacology field has progressed and built upon existing data since an earlier review we wrote in 2008. To this aim, we will first give a brief background on preclinical translational models of impulsivity. Next, recent interesting evidence of monoaminergic modulation of impulsivity will be highlighted with a focus on the neurotransmitters dopamine and noradrenaline. Finally, we will close the chapter by discussing some novel directions and drug leads in the neuropharmacological modulation of impulsivity.
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Affiliation(s)
- Tommy Pattij
- Department of Anatomy and Neurosciences, Amsterdam Neuroscience, Amsterdam University Medical Centers, VU University Medical Center, Amsterdam, The Netherlands.
| | - Louk J M J Vanderschuren
- Division of Behavioural Neuroscience, Department of Animals in Science and Society, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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Pérez-Valenzuela C, Gárate-Pérez MF, Sotomayor-Zárate R, Delano PH, Dagnino-Subiabre A. Reboxetine Improves Auditory Attention and Increases Norepinephrine Levels in the Auditory Cortex of Chronically Stressed Rats. Front Neural Circuits 2016; 10:108. [PMID: 28082872 PMCID: PMC5186796 DOI: 10.3389/fncir.2016.00108] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 12/09/2016] [Indexed: 11/23/2022] Open
Abstract
Chronic stress impairs auditory attention in rats and monoamines regulate neurotransmission in the primary auditory cortex (A1), a brain area that modulates auditory attention. In this context, we hypothesized that norepinephrine (NE) levels in A1 correlate with the auditory attention performance of chronically stressed rats. The first objective of this research was to evaluate whether chronic stress affects monoamines levels in A1. Male Sprague-Dawley rats were subjected to chronic stress (restraint stress) and monoamines levels were measured by high performance liquid chromatographer (HPLC)-electrochemical detection. Chronically stressed rats had lower levels of NE in A1 than did controls, while chronic stress did not affect serotonin (5-HT) and dopamine (DA) levels. The second aim was to determine the effects of reboxetine (a selective inhibitor of NE reuptake) on auditory attention and NE levels in A1. Rats were trained to discriminate between two tones of different frequencies in a two-alternative choice task (2-ACT), a behavioral paradigm to study auditory attention in rats. Trained animals that reached a performance of ≥80% correct trials in the 2-ACT were randomly assigned to control and stress experimental groups. To analyze the effects of chronic stress on the auditory task, trained rats of both groups were subjected to 50 2-ACT trials 1 day before and 1 day after of the chronic stress period. A difference score (DS) was determined by subtracting the number of correct trials after the chronic stress protocol from those before. An unexpected result was that vehicle-treated control rats and vehicle-treated chronically stressed rats had similar performances in the attentional task, suggesting that repeated injections with vehicle were stressful for control animals and deteriorated their auditory attention. In this regard, both auditory attention and NE levels in A1 were higher in chronically stressed rats treated with reboxetine than in vehicle-treated animals. These results indicate that NE has a key role in A1 and attention of stressed rats during tone discrimination.
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Affiliation(s)
- Catherine Pérez-Valenzuela
- Laboratory of Stress Neurobiology, Institute of Physiology, Center for Neurobiology and Brain Plasticity, Faculty of Sciences, Universidad de ValparaísoValparaíso, Chile
| | - Macarena F. Gárate-Pérez
- Laboratory of Stress Neurobiology, Institute of Physiology, Center for Neurobiology and Brain Plasticity, Faculty of Sciences, Universidad de ValparaísoValparaíso, Chile
| | - Ramón Sotomayor-Zárate
- Laboratory of Neurochemistry and Neuropharmacology, Institute of Physiology, Center for Neurobiology and Brain Plasticity, Faculty of Sciences, Universidad de ValparaísoValparaíso, Chile
| | - Paul H. Delano
- Program of Physiology and Biophysics, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de ChileSantiago, Chile
- Otolaryngology Department, Clinical Hospital of the Universidad de ChileSantiago, Chile
- Auditory and Cognition Center (AUCO)Santiago, Chile
| | - Alexies Dagnino-Subiabre
- Laboratory of Stress Neurobiology, Institute of Physiology, Center for Neurobiology and Brain Plasticity, Faculty of Sciences, Universidad de ValparaísoValparaíso, Chile
- Auditory and Cognition Center (AUCO)Santiago, Chile
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Atzori M, Cuevas-Olguin R, Esquivel-Rendon E, Garcia-Oscos F, Salgado-Delgado RC, Saderi N, Miranda-Morales M, Treviño M, Pineda JC, Salgado H. Locus Ceruleus Norepinephrine Release: A Central Regulator of CNS Spatio-Temporal Activation? Front Synaptic Neurosci 2016; 8:25. [PMID: 27616990 PMCID: PMC4999448 DOI: 10.3389/fnsyn.2016.00025] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Accepted: 08/05/2016] [Indexed: 12/22/2022] Open
Abstract
Norepinephrine (NE) is synthesized in the Locus Coeruleus (LC) of the brainstem, from where it is released by axonal varicosities throughout the brain via volume transmission. A wealth of data from clinics and from animal models indicates that this catecholamine coordinates the activity of the central nervous system (CNS) and of the whole organism by modulating cell function in a vast number of brain areas in a coordinated manner. The ubiquity of NE receptors, the daunting number of cerebral areas regulated by the catecholamine, as well as the variety of cellular effects and of their timescales have contributed so far to defeat the attempts to integrate central adrenergic function into a unitary and coherent framework. Since three main families of NE receptors are represented-in order of decreasing affinity for the catecholamine-by: α2 adrenoceptors (α2Rs, high affinity), α1 adrenoceptors (α1Rs, intermediate affinity), and β adrenoceptors (βRs, low affinity), on a pharmacological basis, and on the ground of recent studies on cellular and systemic central noradrenergic effects, we propose that an increase in LC tonic activity promotes the emergence of four global states covering the whole spectrum of brain activation: (1) sleep: virtual absence of NE, (2) quiet wake: activation of α2Rs, (3) active wake/physiological stress: activation of α2- and α1-Rs, (4) distress: activation of α2-, α1-, and β-Rs. We postulate that excess intensity and/or duration of states (3) and (4) may lead to maladaptive plasticity, causing-in turn-a variety of neuropsychiatric illnesses including depression, schizophrenic psychoses, anxiety disorders, and attention deficit. The interplay between tonic and phasic LC activity identified in the LC in relationship with behavioral response is of critical importance in defining the short- and long-term biological mechanisms associated with the basic states postulated for the CNS. While the model has the potential to explain a large number of experimental and clinical findings, a major challenge will be to adapt this hypothesis to integrate the role of other neurotransmitters released during stress in a centralized fashion, like serotonin, acetylcholine, and histamine, as well as those released in a non-centralized fashion, like purines and cytokines.
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Affiliation(s)
- Marco Atzori
- Neurobiology of Stress Laboratory, Facultad de Ciencias, Universidad Autónoma de San Luis PotosíSan Luis Potosí, Mexico; School for Behavior and Brain Sciences, University of Texas at DallasRichardson, TX, USA
| | - Roberto Cuevas-Olguin
- Neurobiology of Stress Laboratory, Facultad de Ciencias, Universidad Autónoma de San Luis Potosí San Luis Potosí, Mexico
| | - Eric Esquivel-Rendon
- Neurobiology of Stress Laboratory, Facultad de Ciencias, Universidad Autónoma de San Luis Potosí San Luis Potosí, Mexico
| | | | - Roberto C Salgado-Delgado
- Neurobiology of Stress Laboratory, Facultad de Ciencias, Universidad Autónoma de San Luis Potosí San Luis Potosí, Mexico
| | - Nadia Saderi
- Neurobiology of Stress Laboratory, Facultad de Ciencias, Universidad Autónoma de San Luis Potosí San Luis Potosí, Mexico
| | - Marcela Miranda-Morales
- Neurobiology of Stress Laboratory, Facultad de Ciencias, Universidad Autónoma de San Luis Potosí San Luis Potosí, Mexico
| | - Mario Treviño
- Laboratory of Cortical Plasticity and Learning, Universidad de Guadalajara Guadalajara, Mexico
| | - Juan C Pineda
- Electrophysiology Laboratory, Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán Mérida, Mexico
| | - Humberto Salgado
- Electrophysiology Laboratory, Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán Mérida, Mexico
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Marek GJ, Day M, Hudzik TJ. The Utility of Impulsive Bias and Altered Decision Making as Predictors of Drug Efficacy and Target Selection: Rethinking Behavioral Screening for Antidepressant Drugs. ACTA ACUST UNITED AC 2015; 356:534-48. [DOI: 10.1124/jpet.115.229922] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 12/22/2015] [Indexed: 11/22/2022]
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Impaired flexibility in decision making in rats after administration of the pharmacological stressor yohimbine. Psychopharmacology (Berl) 2014; 231:3941-52. [PMID: 24647923 PMCID: PMC4345043 DOI: 10.1007/s00213-014-3529-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Accepted: 03/02/2014] [Indexed: 10/25/2022]
Abstract
RATIONALE Stress-induced disruption of decision making has been hypothesized to contribute to drug-seeking behaviors and addiction. Noradrenergic signaling plays a central role in mediating stress responses. However, the effects of acute stress on decision making, and the role of noradrenergic signaling in regulating these effects, have not been well characterized. OBJECTIVE To characterize changes in decision making caused by acute pharmacological stress, the effects of yohimbine (an α2-adrenergic antagonist) were examined in a delay discounting task. Noradrenergic contributions to decision making were further characterized by examining the effects of propranolol (a β antagonist), prazosin (an α1 antagonist), and guanfacine (an α2 agonist). METHODS Sprague-Dawley rats were administered drugs prior to performance on a delay discounting task, in which the delay preceding the large reward increased within each session (ascending delays). To dissociate drug-induced changes in delay sensitivity from behavioral inflexibility, drug effects were subsequently tested in a modified version of the discounting task, in which the delay preceding the large reward decreased within each session (descending delays). RESULTS Yohimbine increased choice of the large reward when tested with ascending delays but decreased choice of the same large reward when tested with descending delays, suggesting that drug effects could be attributed to perseverative choice of the lever preferred at the beginning of the session. Propranolol increased choice of the large reward when tested with ascending delays. Prazosin and guanfacine had no effect on reward choice. CONCLUSIONS The stress-like effects of yohimbine administration may impair decision making by causing inflexible, perseverative behavior.
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Norepinephrine and impulsivity: effects of acute yohimbine. Psychopharmacology (Berl) 2013; 229:83-94. [PMID: 23559222 PMCID: PMC3742556 DOI: 10.1007/s00213-013-3088-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Accepted: 03/22/2013] [Indexed: 01/24/2023]
Abstract
RATIONALE Rapid-response impulsivity, characterized by inability to withhold response to a stimulus until it is adequately appraised, is associated with risky behavior and may be increased in a state-dependent manner by norepinephrine. OBJECTIVE We assessed effects of yohimbine, which increases norepinephrine release by blocking alpha-2 noradrenergic receptors, on plasma catecholamine metabolites, blood pressure, subjective symptoms, and laboratory-measured rapid-response impulsivity. METHODS Subjects were 23 healthy controls recruited from the community, with normal physical examination and ECG, and negative history for hypertension, cardiovascular illness, and axis I or II disorder. Blood pressure, pulse, and behavioral measures were obtained before and periodically after 0.4 mg/kg oral yohimbine or placebo in a randomized, counterbalanced design. Metabolites of norepinephrine [3-methoxy-4-hydroxyphenylglycol (MHPG) and vanillylmandelic acid (VMA)] and dopamine [homovanillic acid (HVA)] were measured by high-pressure liquid chromatography with electrochemical detection. Rapid-response impulsivity was measured by commission errors and reaction times on the immediate memory task (IMT), a continuous performance test designed to measure impulsivity and attention. RESULTS Yohimbine increased plasma MHPG and VMA but not HVA. Yohimbine increased systolic and diastolic blood pressure and pulse rate. On the IMT, yohimbine increased impulsive errors and impulsive response bias and accelerated reaction times. Yohimbine-associated increase in plasma MHPG correlated with increased impulsive response rates. Time courses varied; effects on blood pressure generally preceded those on metabolites and test performance. CONCLUSIONS These effects are consistent with increased rapid-response impulsivity after pharmacological noradrenergic stimulation in healthy controls. Labile noradrenergic responses, or increased sensitivity to norepinephrine, may increase risk for impulsive behavior.
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