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Seaman KL, Smith CT, Juarez EJ, Dang LC, Castrellon JJ, Burgess LL, San Juan MD, Kundzicz PM, Cowan RL, Zald DH, Samanez-Larkin GR. Differential regional decline in dopamine receptor availability across adulthood: Linear and nonlinear effects of age. Hum Brain Mapp 2019; 40:3125-3138. [PMID: 30932295 DOI: 10.1002/hbm.24585] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 03/06/2019] [Accepted: 03/19/2019] [Indexed: 01/25/2023] Open
Abstract
Theories of adult brain development, based on neuropsychological test results and structural neuroimaging, suggest differential rates of age-related change in function across cortical and subcortical sub-regions. However, it remains unclear if these trends also extend to the aging dopamine system. Here we examined cross-sectional adult age differences in estimates of D2-like receptor binding potential across several cortical and subcortical brain regions using PET imaging and the radiotracer [18 F]Fallypride in two samples of healthy human adults (combined N = 132). After accounting for regional differences in overall radioligand binding, estimated percent difference in receptor binding potential by decade (linear effects) were highest in most temporal and frontal cortical regions (~6-16% per decade), moderate in parahippocampal gyrus, pregenual frontal cortex, fusiform gyrus, caudate, putamen, thalamus, and amygdala (~3-5%), and weakest in subcallosal frontal cortex, ventral striatum, pallidum, and hippocampus (~0-2%). Some regions showed linear effects of age while many showed curvilinear effects such that binding potential declined from young adulthood to middle age and then was relatively stable until old age. Overall, these data indicate that the rate and pattern of decline in D2 receptor availability is regionally heterogeneous. However, the differences across regions were challenging to organize within existing theories of brain development and did not show the same pattern of regional change that has been observed in gray matter volume, white matter integrity, or cognitive performance. This variation suggests that existing theories of adult brain development may need to be modified to better account for the spatial dynamics of dopaminergic system aging.
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Affiliation(s)
- Kendra L Seaman
- Center for the Study of Aging and Human Development, Duke University, Durham, North Carolina.,Center for Cognitive Neuroscience, Duke University, Durham, North Carolina
| | | | - Eric J Juarez
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina
| | - Linh C Dang
- Department of Psychology, Vanderbilt University, Nashville, Tennessee
| | - Jaime J Castrellon
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina
| | - Leah L Burgess
- Department of Psychology, Vanderbilt University, Nashville, Tennessee
| | - M Danica San Juan
- Department of Psychology, Vanderbilt University, Nashville, Tennessee
| | - Paul M Kundzicz
- Department of Psychology, Vanderbilt University, Nashville, Tennessee
| | - Ronald L Cowan
- Department of Psychology, Vanderbilt University, Nashville, Tennessee
| | - David H Zald
- Department of Psychology, Vanderbilt University, Nashville, Tennessee
| | - Gregory R Samanez-Larkin
- Center for Cognitive Neuroscience, Duke University, Durham, North Carolina.,Department of Psychology and Neuroscience, Duke University, Durham, North Carolina
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Hinton KE, Lahey BB, Villalta-Gil V, Meyer FAC, Burgess LL, Chodes LK, Applegate B, Van Hulle CA, Landman BA, Zald DH. White matter microstructure correlates of general and specific second-order factors of psychopathology. Neuroimage Clin 2019; 22:101705. [PMID: 30753960 PMCID: PMC6369105 DOI: 10.1016/j.nicl.2019.101705] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/29/2019] [Accepted: 01/31/2019] [Indexed: 12/11/2022]
Abstract
Increasing data indicate that prevalent forms of psychopathology can be organized into second-order dimensions based on their correlations, including a general factor of psychopathology that explains the common variance among all disorders and specific second-order externalizing and internalizing factors. Nevertheless, most existing studies on the neural correlates of psychopathology employ case-control designs that treat diagnoses as independent categories, ignoring the highly correlated nature of psychopathology. Thus, for instance, although perturbations in white matter microstructure have been identified across a range of mental disorders, nearly all such studies used case-control designs, leaving it unclear whether observed relations reflect disorder-specific characteristics or transdiagnostic associations. Using a representative sample of 410 young adult twins oversampled for psychopathology risk, we tested the hypothesis that some previously observed relations between white matter microstructure properties in major tracts and specific disorders are related to second-order factors of psychopathology. We examined fractional anisotropy (FA), radial diffusivity (RD), and axial diffusivity (AD). White matter correlates of all second-order factors were identified after controlling for multiple statistical tests, including the general factor (FA in the body of the corpus callosum), specific internalizing (AD in the fornix), and specific externalizing (AD in the splenium of the corpus callosum, sagittal stratum, anterior corona radiata, and internal capsule). These findings suggest that some features of white matter within specific tracts may be transdiagnostically associated multiple forms of psychopathology through second-order factors of psychopathology rather with than individual mental disorders.
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Affiliation(s)
- Kendra E Hinton
- Department of Psychological Sciences, Vanderbilt University, Nashville, TN, United States.
| | - Benjamin B Lahey
- Department of Public Health Sciences, University of Chicago, Chicago, IL, United States
| | - Victoria Villalta-Gil
- Department of Psychological Sciences, Vanderbilt University, Nashville, TN, United States
| | - Francisco A C Meyer
- Department of Psychological Sciences, Vanderbilt University, Nashville, TN, United States
| | - Leah L Burgess
- Department of Psychological Sciences, Vanderbilt University, Nashville, TN, United States
| | - Laura K Chodes
- Department of Psychological Sciences, Vanderbilt University, Nashville, TN, United States
| | - Brooks Applegate
- Department of Educational Leadership, Research and Technology, Western Michigan University, Kalamazoo, MI, United States
| | - Carol A Van Hulle
- Waisman Center, University of Wisconsin-Madison, Madison, WI, United States
| | - Bennett A Landman
- School of Engineering, Vanderbilt University, Nashville, TN, United States
| | - David H Zald
- Department of Psychological Sciences, Vanderbilt University, Nashville, TN, United States
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Smith CT, Dang LC, Burgess LL, Perkins SF, Juan MDS, Smith DK, Cowan RL, Le NT, Kessler RM, Samanez-Larkin GR, Zald DH. Lack of consistent sex differences in D-amphetamine-induced dopamine release measured with [ 18F]fallypride PET. Psychopharmacology (Berl) 2019; 236:581-590. [PMID: 30350220 PMCID: PMC6401232 DOI: 10.1007/s00213-018-5083-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 10/16/2018] [Indexed: 10/28/2022]
Abstract
RATIONALE Sex differences in the dopaminergic response to psychostimulants could have implications for drug abuse risk and other psychopathology involving the dopamine system, but human data are limited and mixed. OBJECTIVES Here, we sought to investigate sex differences in dopamine release after oral D-amphetamine administration. METHODS We used [18F]fallypride positron emission tomography (PET) to measure the change in dopamine D2/3 receptor availability (%ΔBPND, an index of dopamine release) between placebo and D-amphetamine sessions in two independent datasets containing a total of 39 females (on either hormonal birth control n = 18, postmenopausal n = 10, or studied in the first 10 days of their menstrual cycle n = 11) and 37 males. RESULTS Using both a priori anatomical regions of interest based on previous findings and voxelwise analyses, we failed to consistently detect broad sex differences in D-amphetamine-induced dopamine release. Nevertheless, there was limited evidence for greater right ventral striatal dopamine release in young adult males relative to similarly aged females, but this was not consistently observed across samples. Plasma estradiol did not correlate with dopamine release and this measure did not differ in females on and off hormonal birth control. CONCLUSIONS While our finding in young adults from one dataset of greater %ΔBPND in males is partially consistent with a previously published study on sex differences in D-amphetamine-induced dopamine release, our data do not support the presence of consistent widespread sex differences in this measure of dopamine release.
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Affiliation(s)
- Christopher T. Smith
- Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817,Corresponding Author:
| | - Linh C. Dang
- Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817
| | - Leah L. Burgess
- Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817
| | - Scott F. Perkins
- Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817
| | - M. Danica San Juan
- Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817
| | - Darcy K. Smith
- Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817
| | - Ronald L. Cowan
- Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817,Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, 1601 23rd Ave South, Suite 3057, Nashville, TN, 37212,Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Medical Center North, 1161 21st Ave. South, Nashville, TN 37232 USA
| | - Nam T. Le
- Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Medical Center North, 1161 21st Ave. South, Nashville, TN 37232 USA
| | - Robert M. Kessler
- Department of Radiology, UAB School of Medicine, 1802 6th Ave South, Birmingham, AL 35233
| | | | - David H. Zald
- Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817,Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, 1601 23rd Ave South, Suite 3057, Nashville, TN, 37212
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Smith CT, San Juan MD, Dang LC, Katz DT, Perkins SF, Burgess LL, Cowan RL, Manning HC, Nickels ML, Claassen DO, Samanez-Larkin GR, Zald DH. Ventral striatal dopamine transporter availability is associated with lower trait motor impulsivity in healthy adults. Transl Psychiatry 2018; 8:269. [PMID: 30531858 PMCID: PMC6286354 DOI: 10.1038/s41398-018-0328-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 11/13/2018] [Accepted: 11/15/2018] [Indexed: 12/18/2022] Open
Abstract
Impulsivity is a transdiagnostic feature of a range of externalizing psychiatric disorders. Preclinical work links reduced ventral striatal dopamine transporter (DAT) availability with heightened impulsivity and novelty seeking. However, there is a lack of human data investigating the relationship between DAT availability, particularly in subregions of the striatum, and the personality traits of impulsivity and novelty seeking. Here we collected PET measures of DAT availability (BPND) using the tracer 18F-FE-PE2I in 47 healthy adult subjects and examined relations between BPND in striatum, including its subregions: caudate, putamen, and ventral striatum (VS), and trait impulsivity (Barratt Impulsiveness Scale: BIS-11) and novelty seeking (Tridimensional Personality Questionnaire: TPQ-NS), controlling for age and sex. DAT BPND in each striatal subregion showed nominal negative associations with total BIS-11 but not TPQ-NS. At the subscale level, VS DAT BPND was significantly associated with BIS-11 motor impulsivity (e.g., taking actions without thinking) after correction for multiple comparisons. VS DAT BPND explained 13.2% of the variance in motor impulsivity. Our data demonstrate that DAT availability in VS is negatively related to impulsivity and suggest a particular influence of DAT regulation of dopamine signaling in VS on acting without deliberation (BIS motor impulsivity). While needing replication, these data converge with models of ventral striatal functions that emphasize its role as a key interface linking motivation to action.
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Affiliation(s)
- Christopher T. Smith
- 0000 0001 2264 7217grid.152326.1Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817 USA
| | - M. Danica San Juan
- 0000 0001 2264 7217grid.152326.1Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817 USA
| | - Linh C. Dang
- 0000 0001 2264 7217grid.152326.1Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817 USA
| | - Daniel T. Katz
- 0000 0001 2264 7217grid.152326.1Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817 USA
| | - Scott F. Perkins
- 0000 0001 2264 7217grid.152326.1Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817 USA
| | - Leah L. Burgess
- 0000 0001 2264 7217grid.152326.1Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817 USA
| | - Ronald L. Cowan
- 0000 0001 2264 7217grid.152326.1Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817 USA ,0000 0004 1936 9916grid.412807.8Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, 1601 23rd Avenue South, Suite 3057, Nashville, TN 37212 USA ,0000 0004 1936 9916grid.412807.8Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Medical Center North, 1161 21st Avenue South, Nashville, TN 37232 USA
| | - H. Charles Manning
- 0000 0004 1936 9916grid.412807.8Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Medical Center North, 1161 21st Avenue South, Nashville, TN 37232 USA ,0000 0001 2264 7217grid.152326.1Department of Chemistry, Vanderbilt University, 7330 Stevenson Center, Station B 351822, Nashville, TN 37235 USA ,0000 0001 2264 7217grid.152326.1Department of Biomedical Engineering, PMB 351826, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37235-1826 USA ,0000 0004 1936 9916grid.412807.8Department of Neurological Surgery, Vanderbilt University Medical Center, 1161 21st Avenue South, T4224 Medical Center North, Nashville, TN 37232-2380 USA
| | - Michael L. Nickels
- 0000 0004 1936 9916grid.412807.8Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Medical Center North, 1161 21st Avenue South, Nashville, TN 37232 USA
| | - Daniel O. Claassen
- 0000 0004 1936 9916grid.412807.8Department of Neurology, Vanderbilt University Medical Center, 1161 21st Avenue South, A-0118, Nashville, TN 37232-2551 USA
| | - Gregory R. Samanez-Larkin
- 0000 0004 1936 7961grid.26009.3dDepartment of Psychology and Neuroscience, Duke University, 417 Chapel Drive, Durham, NC 27708 USA
| | - David H. Zald
- 0000 0001 2264 7217grid.152326.1Department of Psychology, PMB 407817, Vanderbilt University, 2301 Vanderbilt Place, Nashville, TN 37240-7817 USA ,0000 0004 1936 9916grid.412807.8Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, 1601 23rd Avenue South, Suite 3057, Nashville, TN 37212 USA
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Affiliation(s)
- M H Bailit
- Bailit Health Purchasing, LLC, Wellesley, Massachusetts, USA
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Burgess LL. The results of a salary survey of dental hygienists practicing in Jackson County, Missouri. J Mo Dent Assoc (1980) 1980; 60:26-8. [PMID: 6935439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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