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Janet R, Costes N, Mérida I, Derrington E, Dreher JC. Relationships between serotonin availability and frontolimbic response to fearful and threatening faces. Sci Rep 2023; 13:1558. [PMID: 36707612 PMCID: PMC9883493 DOI: 10.1038/s41598-023-28667-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 01/23/2023] [Indexed: 01/29/2023] Open
Abstract
Serotonin is a critical neurotransmitter in the regulation of emotional behavior. Although emotion processing is known to engage a corticolimbic circuit, including the amygdala and prefrontal cortex, exactly how this brain system is modulated by serotonin remains unclear. Here, we hypothesized that serotonin modulates variability in excitability and functional connectivity within this circuit. We tested whether this modulation contributes to inter-individual differences in emotion processing. Using a multimodal neuroimaging approach with a simultaneous PET-3T fMRI scanner, we simultaneously acquired BOLD signal while participants viewed emotional faces depicting fear and anger, while also measuring serotonin transporter (SERT) levels, regulating serotonin functions. Individuals with higher activity of the medial amygdala BOLD in response to fearful or angry facial expressions, who were temperamentally more anxious, also exhibited lower SERT availability in the dorsal raphe nucleus (DRN). Moreover, higher connectivity of the medial amygdala with the left dorsolateral prefrontal and the anterior cingulate cortex was associated with lower levels of SERT availability in the DRN. These results demonstrate the association between the serotonin transporter level and emotion processing through changes in functional interactions between the amygdala and the prefrontal areas in healthy humans.
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Affiliation(s)
- R Janet
- CNRS-Institut de Sciences Cognitives Marc Jeannerod, UMR5229, Neuroeconomics, Reward, and Decision Making Laboratory, Lyon, France
| | - N Costes
- CERMEP-Imagerie du vivant, Lyon, France
| | - I Mérida
- CERMEP-Imagerie du vivant, Lyon, France
| | - E Derrington
- CNRS-Institut de Sciences Cognitives Marc Jeannerod, UMR5229, Neuroeconomics, Reward, and Decision Making Laboratory, Lyon, France
| | - J C Dreher
- CNRS-Institut de Sciences Cognitives Marc Jeannerod, UMR5229, Neuroeconomics, Reward, and Decision Making Laboratory, Lyon, France.
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2
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Patodia S, Somani A, Liu J, Cattaneo A, Paradiso B, Garcia M, Othman M, Diehl B, Devinsky O, Mills JD, Foong J, Thom M. Serotonin transporter in the temporal lobe, hippocampus and amygdala in SUDEP. Brain Pathol 2022; 32:e13074. [PMID: 35478467 PMCID: PMC9425018 DOI: 10.1111/bpa.13074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/17/2022] [Accepted: 03/31/2022] [Indexed: 11/30/2022] Open
Abstract
Several lines of evidence link deficient serotonin function and SUDEP. Chronic treatment with serotonin reuptake inhibitors (SRIs) reduces ictal central apnoea, a risk factor for SUDEP. Reduced medullary serotonergic neurones, modulators of respiration in response to hypercapnia, were reported in a SUDEP post‐mortem series. The amygdala and hippocampus have high serotonergic innervation and are functionally implicated in seizure‐related respiratory dysregulation. We explored serotonergic networks in mesial temporal lobe structures in a surgical and post‐mortem epilepsy series in relation to SUDEP risk. We stratified 75 temporal lobe epilepsy patients with hippocampal sclerosis (TLE/HS) into high (N = 16), medium (N = 11) and low risk (N = 48) groups for SUDEP based on generalised seizure frequency. We also included the amygdala in 35 post‐mortem cases, including SUDEP (N = 17), epilepsy controls (N = 10) and non‐epilepsy controls (N = 8). The immunohistochemistry labelling index (LI) and axonal length (AL) of serotonin transporter (SERT)‐positive axons were quantified in 13 regions of interest with image analysis. SERT LI was highest in amygdala and subiculum regions. In the surgical series, higher SERT LI was observed in high risk than low risk cases in the dentate gyrus, CA1 and subiculum (p < 0.05). In the post‐mortem cases higher SERT LI and AL was observed in the basal and accessory basal nuclei of the amygdala and peri‐amygdala cortex in SUDEP compared to epilepsy controls (p < 0.05). Patients on SRI showed higher SERT in the dentate gyrus (p < 0.005) and CA4 (p < 0.05) but there was no difference in patients with or without a psychiatric history. Higher SERT in hippocampal subfields in TLE/HS cases with SUDEP risk factors and higher amygdala SERT in post‐mortem SUDEP cases than epilepsy controls supports a role for altered serotonergic networks involving limbic regions in SUDEP. This may be of functional relevance through reduced 5‐HT availability.
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Affiliation(s)
- Smriti Patodia
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK
| | - Alyma Somani
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK
| | - Joan Liu
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK
| | - Alice Cattaneo
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK
| | - Beatrice Paradiso
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK
| | - Maria Garcia
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK
| | - Muhammad Othman
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK
| | - Beate Diehl
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK.,Departments of Neurology, National Hospital for Neurology and Neurosurgery, London, UK
| | - Orrin Devinsky
- NYU Langone Comprehensive Epilepsy Center, New York University, New York City, New York, USA
| | - James D Mills
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK.,Chalfont Centre for Epilepsy, Chalfont St Peter, UK.,Department of (Neuro)Pathology, Amsterdam Neuroscience, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Jackie Foong
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK.,Departments of Psychiatry, National Hospital for Neurology and Neurosurgery, London, UK
| | - Maria Thom
- Department of clinical and experimental epilepsy, UCL Queen Square Institute of Neurology, London, UK.,Departments of Neuropathology, National Hospital for Neurology and Neurosurgery, London, UK
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3
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Jones DN, Erwin JM, Sherwood CC, Hof PR, Raghanti MA. A comparison of cell density and serotonergic innervation of the amygdala among four macaque species. J Comp Neurol 2020; 529:1659-1668. [PMID: 33022073 DOI: 10.1002/cne.25048] [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: 05/12/2020] [Revised: 09/06/2020] [Accepted: 09/22/2020] [Indexed: 01/09/2023]
Abstract
The genus Macaca is an ideal model for investigating the biological basis of primate social behavior from an evolutionary perspective. A significant amount of behavioral diversity has been reported among the macaque species, but little is known about the neural substrates that support this variation. The present study compared neural cell density and serotonergic innervation of the amygdala among four macaque species using histological and immunohistochemical methods. The species examined included rhesus (Macaca mulatta), Japanese (M. fuscata), pigtailed (M. nemestrina), and moor macaques (M. maura). We anticipated that the more aggressive rhesus and Japanese macaques would have lower serotonergic innervation within the amygdala compared to the more affiliative pigtailed and moor macaques. In contrast to our prediction, pigtailed macaques had higher serotonergic innervation than Japanese and moor macaques in the basal and central amygdala nuclei when controlling for neuron density. Our analysis of neural cell populations revealed that Japanese macaques possess significantly higher neuron and glia densities relative to the other three species, however we observed no glia-to-neuron ratio differences among species. The results of this study revealed serotonergic innervation and cell density differences among closely related macaque species, which may play a role in modulating subtle differences in emotional processing and species-typical social styles.
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Affiliation(s)
- Danielle N Jones
- Department of Anthropology and School of Biomedical Sciences, Kent State University, Kent, Ohio, USA.,Brain Health Research Institute, Kent State University, Kent, Ohio, USA
| | - Joseph M Erwin
- Department of Anthropology and Center for the Advanced Study of Human Paleobiology, The George Washington University, Washington, District of Columbia, USA
| | - Chet C Sherwood
- Department of Anthropology and Center for the Advanced Study of Human Paleobiology, The George Washington University, Washington, District of Columbia, USA
| | - Patrick R Hof
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Mary Ann Raghanti
- Department of Anthropology and School of Biomedical Sciences, Kent State University, Kent, Ohio, USA.,Brain Health Research Institute, Kent State University, Kent, Ohio, USA
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4
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Smith R, Steklis HD, Steklis NG, Weihs KL, Lane RD. The evolution and development of the uniquely human capacity for emotional awareness: A synthesis of comparative anatomical, cognitive, neurocomputational, and evolutionary psychological perspectives. Biol Psychol 2020; 154:107925. [DOI: 10.1016/j.biopsycho.2020.107925] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/17/2020] [Accepted: 06/23/2020] [Indexed: 01/09/2023]
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Shilton D, Breski M, Dor D, Jablonka E. Human Social Evolution: Self-Domestication or Self-Control? Front Psychol 2020; 11:134. [PMID: 32116937 PMCID: PMC7033472 DOI: 10.3389/fpsyg.2020.00134] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 01/17/2020] [Indexed: 01/02/2023] Open
Abstract
The self-domestication hypothesis suggests that, like mammalian domesticates, humans have gone through a process of selection against aggression - a process that in the case of humans was self-induced. Here, we extend previous proposals and suggest that what underlies human social evolution is selection for socially mediated emotional control and plasticity. In the first part of the paper we highlight general features of human social evolution, which, we argue, is more similar to that of other social mammals than to that of mammalian domesticates and is therefore incompatible with the notion of human self-domestication. In the second part, we discuss the unique aspects of human evolution and propose that emotional control and social motivation in humans evolved during two major, partially overlapping stages. The first stage, which followed the emergence of mimetic communication, the beginnings of musical engagement, and mimesis-related cognition, required socially mediated emotional plasticity and was accompanied by new social emotions. The second stage followed the emergence of language, when individuals began to instruct the imagination of their interlocutors, and to rely even more extensively on emotional plasticity and culturally learned emotional control. This account further illustrates the significant differences between humans and domesticates, thus challenging the notion of human self-domestication.
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Affiliation(s)
- Dor Shilton
- The Cohn Institute for the History and Philosophy of Science and Ideas, Tel Aviv University, Tel-Aviv, Israel
| | - Mati Breski
- The Cohn Institute for the History and Philosophy of Science and Ideas, Tel Aviv University, Tel-Aviv, Israel
| | - Daniel Dor
- The Department of Communication, Tel-Aviv University, Tel-Aviv, Israel
| | - Eva Jablonka
- The Cohn Institute for the History and Philosophy of Science and Ideas, Tel Aviv University, Tel-Aviv, Israel
- Centre for Philosophy of Natural and Social Science (CPNSS), London School of Economics, London, United Kingdom
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6
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Lew CH, Groeniger KM, Hanson KL, Cuevas D, Greiner DMZ, Hrvoj-Mihic B, Bellugi U, Schumann CM, Semendeferi K. Serotonergic innervation of the amygdala is increased in autism spectrum disorder and decreased in Williams syndrome. Mol Autism 2020; 11:12. [PMID: 32024554 PMCID: PMC7003328 DOI: 10.1186/s13229-019-0302-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 12/04/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Williams syndrome (WS) and autism spectrum disorder (ASD) are neurodevelopmental disorders that demonstrate overlapping genetic associations, dichotomous sociobehavioral phenotypes, and dichotomous pathological differences in neuronal distribution in key social brain areas, including the prefrontal cortex and the amygdala. The serotonergic system is critical to many processes underlying neurodevelopment and is additionally an important neuromodulator associated with behavioral variation. The amygdala is heavily innervated by serotonergic projections, suggesting that the serotonergic system is a significant mediator of neuronal activity. Disruptions to the serotonergic system, and atypical structure and function of the amygdala, are implicated in both WS and ASD. METHODS We quantified the serotonergic axon density in the four major subdivisions of the amygdala in the postmortem brains of individuals diagnosed with ASD and WS and neurotypical (NT) brains. RESULTS We found opposing directions of change in serotonergic innervation in the two disorders, with ASD displaying an increase in serotonergic axons compared to NT and WS displaying a decrease. Significant differences (p < 0.05) were observed between WS and ASD data sets across multiple amygdala nuclei. LIMITATIONS This study is limited by the availability of human postmortem tissue. Small sample size is an unavoidable limitation of most postmortem human brain research and particularly postmortem research in rare disorders. CONCLUSIONS Differential alterations to serotonergic innervation of the amygdala may contribute to differences in sociobehavioral phenotype in WS and ASD. These findings will inform future work identifying targets for future therapeutics in these and other disorders characterized by atypical social behavior.
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Affiliation(s)
- C H Lew
- Department of Anthropology, University of California, San Diego, USA
| | - K M Groeniger
- Department of Anthropology, University of California, San Diego, USA
| | - K L Hanson
- Department of Anthropology, University of California, San Diego, USA
| | - D Cuevas
- Department of Biological Sciences, University of California, San Diego, USA
| | - D M Z Greiner
- Department of Biological Sciences, University of California, San Diego, USA
| | - B Hrvoj-Mihic
- Department of Anthropology, University of California, San Diego, USA
| | - U Bellugi
- Salk Institute for Biological Sciences, San Diego, USA
| | - C M Schumann
- Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, the MIND Institute, Sacramento, USA
| | - K Semendeferi
- Department of Anthropology, University of California, San Diego, USA.
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7
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Veniaminova E, Oplatchikova M, Bettendorff L, Kotenkova E, Lysko A, Vasilevskaya E, Kalueff AV, Fedulova L, Umriukhin A, Lesch KP, Anthony DC, Strekalova T. Prefrontal cortex inflammation and liver pathologies accompany cognitive and motor deficits following Western diet consumption in non-obese female mice. Life Sci 2019; 241:117163. [PMID: 31837337 DOI: 10.1016/j.lfs.2019.117163] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 12/08/2019] [Accepted: 12/09/2019] [Indexed: 12/15/2022]
Abstract
AIMS The high sugar and lipid content of the Western diet (WD) is associated with metabolic dysfunction, non-alcoholic steatohepatitis, and it is an established risk factor for neuropsychiatric disorders. Our previous studies reported negative effects of the WD on rodent emotionality, impulsivity, and sociability in adulthood. Here, we investigated the effect of the WD on motor coordination, novelty recognition, and affective behavior in mice as well as molecular and cellular endpoints in brain and peripheral tissues. MAIN METHODS Female C57BL/6 J mice were fed the WD for three weeks and were investigated for glucose tolerance, insulin resistance, liver steatosis, and changes in motor coordination, object recognition, and despair behavior in the swim test. Lipids and liver injury markers, including aspartate-transaminase, alanine-transaminase and urea were measured in blood. Serotonin transporter (SERT) expression, the density of Iba1-positive cells and concentration of malondialdehyde were measured in brain. KEY FINDINGS WD-fed mice exhibited impaired glucose tolerance and insulin resistance, a loss of motor coordination, deficits in novel object exploration and recognition, increased helplessness, dyslipidemia, as well as signs of a non-alcoholic steatohepatitis (NASH)-like syndrome: liver steatosis and increased liver injury markers. Importantly, these changes were accompanied by decreased SERT expression, elevated numbers of microglia cells and malondialdehyde levels in, and restricted to, the prefrontal cortex. SIGNIFICANCE The WD induces a spectrum of behaviors that are more reminiscent of ADHD and ASD than previously recognized and suggests that, in addition to the impairment of impulsivity and sociability, the consumption of a WD might be expected to exacerbate motor dysfunction that is also known to be associated with adult ADHD and ASD.
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Affiliation(s)
- Ekaterina Veniaminova
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Universiteitssingel 40, NL 6229ER Maastricht, the Netherlands; Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Trubetskaya Str. 8, 119991 Moscow, Russia
| | - Margarita Oplatchikova
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Trubetskaya Str. 8, 119991 Moscow, Russia
| | - Lucien Bettendorff
- Laboratory of Neurophysiology, GIGA-Neurosciences, University of Liège, Av. Hippocrate 15, 4000 Liège, Belgium
| | - Elena Kotenkova
- V.M. Gorbatov Federal Research Center for Food Systems of RAS, Tallalikhina Str. 26, 109316 Moscow, Russia
| | - Alexander Lysko
- Institute of General Pathology and Pathophysiology, Baltiyskaya Str. 8, 125315 Moscow, Russia
| | - Ekaterina Vasilevskaya
- V.M. Gorbatov Federal Research Center for Food Systems of RAS, Tallalikhina Str. 26, 109316 Moscow, Russia
| | - Allan V Kalueff
- School of Pharmacy, Southwest University, 400715 Chongqing, China; Institute of Translational Biomedicine, St. Petersburg State University, Universitetskaya Nab. 7-9, 199034 St. Petersburg, Russia; Ural Federal University, Mira Str. 19, 620002 Ekaterinburg, Russia
| | - Liliya Fedulova
- V.M. Gorbatov Federal Research Center for Food Systems of RAS, Tallalikhina Str. 26, 109316 Moscow, Russia
| | - Aleksei Umriukhin
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Trubetskaya Str. 8, 119991 Moscow, Russia
| | - Klaus-Peter Lesch
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Universiteitssingel 40, NL 6229ER Maastricht, the Netherlands; Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Trubetskaya Str. 8, 119991 Moscow, Russia; Division of Molecular Psychiatry, Laboratory of Translational Neuroscience, Center of Mental Health, University of Würzburg, Margarete-Höppel-Platz 1, 97080 Würzburg, Germany
| | - Daniel C Anthony
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Trubetskaya Str. 8, 119991 Moscow, Russia; Department of Pharmacology, Oxford University, Mansfield Road, OX1 3QT Oxford, UK
| | - Tatyana Strekalova
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Universiteitssingel 40, NL 6229ER Maastricht, the Netherlands; Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Trubetskaya Str. 8, 119991 Moscow, Russia; Division of Molecular Psychiatry, Laboratory of Translational Neuroscience, Center of Mental Health, University of Würzburg, Margarete-Höppel-Platz 1, 97080 Würzburg, Germany.
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