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Navarrete J, Schneider KN, Smith BM, Goodwin NL, Zhang YY, Salazar AS, Gonzalez YE, Anumolu P, Gross E, Tsai VS, Heshmati M, Golden SA. Individual Differences in Volitional Social Self-Administration and Motivation in Male and Female Mice Following Social Stress. Biol Psychiatry 2024:S0006-3223(24)00033-7. [PMID: 38244753 DOI: 10.1016/j.biopsych.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 12/18/2023] [Accepted: 01/06/2024] [Indexed: 01/22/2024]
Abstract
BACKGROUND A key challenge in developing treatments for neuropsychiatric illness is the disconnect between preclinical models and the complexity of human social behavior. We integrate voluntary social self-administration into a rodent model of social stress as a platform for the identification of fundamental brain and behavior mechanisms underlying stress-induced individual differences in social motivation. METHODS Here, we introduced an operant social stress procedure in male and female mice composed of 3 phases: 1) social self-administration training, 2) social stress exposure concurrent with reinforced self-administration testing, and 3) poststress operant testing under nonreinforced and reinforced conditions. We used social-defeat and witness-defeat stress in male and female mice. RESULTS Social defeat attenuated social reward seeking in males but not females, whereas witness defeat had no effect in males but promoted seeking behavior in females. We resolved social stress-induced changes to social motivation by aggregating z-scored operant metrics into a cumulative social index score to describe the spectrum of individual differences exhibited during operant social stress. Clustering does not adequately describe the relative distributions of social motivation following stress and is better described as a nonbinary behavioral distribution defined by the social index score, capturing a dynamic range of stress-related alterations in social motivation inclusive of sex as a biological variable. CONCLUSIONS We demonstrated that operant social stress can detect stable individual differences in stress-induced changes to social motivation. The inclusion of volitional behavior in social procedures may enhance the understanding of behavioral adaptations that promote stress resiliency and their mechanisms under more naturalistic conditions.
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Affiliation(s)
- Jovana Navarrete
- Department of Biological Structure, University of Washington, Seattle, Washington; Graduate Program in Neuroscience, University of Washington, Seattle, Washington; Center of Excellence in Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, Washington
| | - Kevin N Schneider
- Department of Biological Structure, University of Washington, Seattle, Washington; Center of Excellence in Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, Washington
| | - Briana M Smith
- Department of Biological Structure, University of Washington, Seattle, Washington
| | - Nastacia L Goodwin
- Department of Biological Structure, University of Washington, Seattle, Washington; Graduate Program in Neuroscience, University of Washington, Seattle, Washington; Center of Excellence in Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, Washington
| | - Yizhe Y Zhang
- Department of Biological Structure, University of Washington, Seattle, Washington; Center of Excellence in Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, Washington
| | - Axelle S Salazar
- Department of Biological Structure, University of Washington, Seattle, Washington
| | - Yahir E Gonzalez
- Department of Biological Structure, University of Washington, Seattle, Washington; Undergraduate Neuroscience Program, University of Washington, Seattle, Washington
| | - Pranav Anumolu
- Department of Biological Structure, University of Washington, Seattle, Washington; Undergraduate Neuroscience Program, University of Washington, Seattle, Washington
| | - Ethan Gross
- Department of Biological Structure, University of Washington, Seattle, Washington
| | - Valerie S Tsai
- Department of Biological Structure, University of Washington, Seattle, Washington; Undergraduate Neuroscience Program, University of Washington, Seattle, Washington
| | - Mitra Heshmati
- Department of Biological Structure, University of Washington, Seattle, Washington; Center of Excellence in Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, Washington; Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington
| | - Sam A Golden
- Department of Biological Structure, University of Washington, Seattle, Washington; Graduate Program in Neuroscience, University of Washington, Seattle, Washington; Center of Excellence in Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, Washington.
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Schneider KN, Ahlbäumer G, Gosheger G, Theil C, Weller J, Goth A. Promising functional outcomes following anterior cruciate ligament repair with suture augmentation. Knee Surg Sports Traumatol Arthrosc 2022:10.1007/s00167-022-07236-4. [PMID: 36445405 DOI: 10.1007/s00167-022-07236-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 08/28/2022] [Accepted: 11/10/2022] [Indexed: 12/03/2022]
Abstract
PURPOSE There has been a renewed interest in the repair of the torn anterior cruciate ligament (ACL). Purpose of this study was to evaluate the functional outcome of arthroscopic ACL repair with additional suture augmentation (SA), hypothesizing that isolated ACL ruptures would yield superior patient-reported outcome measures (PROMs) compared to those with concomitant meniscal and/or ligamentous injuries. METHODS This is a retrospective analysis of 93 consecutive patients (67 female, median age 42 years) who underwent arthroscopic ACL repair with SA between January 2017 and March 2019 for an acute traumatic ACL tear confirmed by magnetic resonance imaging (MRI). Patients with pre- or intraoperative mid-substance or distal ACL tears and/or poor tissue quality of the ACL remnant were not considered for ACL repair but were scheduled for an ACL reconstruction with a tendon autograft. In patients who underwent ACL repair with SA, the SA construct was proximally stabilized with a flip-button and distally with a suture anchor. Surgery was preferably performed on the day of injury and all surgeries were performed by the same surgeon. Postoperative rehabilitation included partial weight-bearing (20 kg) for 6 weeks and immobilization in a brace limited at 90-degrees of knee flexion for 4 weeks. Patient-reported outcome measures (PROMs) were determined using International Knee Documentation Committee (IKDC) Subjective Knee Evaluation Form, Lysholm Score (LS), Tegner Activity Score (TS) and Forgotten Joint Score (FJS). Knee-laxity was assessed using the KT-1000 arthrometer (Med Metrics Corp. Inc., San Diego, USA). RESULTS Nine patients underwent revision surgery for a traumatic re-tear (four patients) and chronic instability (five patients) and were excluded from further functional analysis. Functional results of 77 patients (54 female) with a median age of 44 years (IQR 33-51) on the day of surgery were available for follow-up after a median time of 35 months (IQR 33-44). Concomitant injuries were observed in 66 Patients (86%), meniscal injuries in 43 patients (55%) and ligamentous injuries in 50 patients (65%). Median interval from injury to surgery was 1 day (IQR 0-1) with 81% (62/77) of patients being treated within 24 h of injury. The median IKDC was 92 (IQR 86-99), the median LS was 95 (IQR 86-100), the median pre-traumatic TS was 7 (IQR 6-7), the median post-traumatic TS was 6 (IQR 5-7) with a non-significant median difference (TSDiff) of 0 (IQR 0-1). The median FJS was 95 (IQR 78-98). KT-1000 measurements were available in 34 of 77 patients with a median postoperative laxity compared to the uninjured side of 1 mm (IQR 0-2). Interval from injury to surgery, patients' age, body mass index (BMI), knee laxity and concomitant ligamentous or meniscal injuries had no statistically significant impact on postoperative PROMs (n.s.). CONCLUSION Following arthroscopic ACL repair with SA good-to-excellent functional results were observed. However, a failure rate of 10% cannot be neglected and warrants further attention. Concomitant injuries to the meniscus and/or collateral ligaments do not seem to be associated with inferior PROMs. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- K N Schneider
- Department of Orthopaedics and Trauma Surgery, Klinik Gut, Via Arona 34, 7500, St. Moritz, Switzerland.,Department of Orthopaedics and Tumor Orthopaedics, University Hospital of Münster, Münster, Germany
| | - Georg Ahlbäumer
- Department of Orthopaedics and Trauma Surgery, Klinik Gut, Via Arona 34, 7500, St. Moritz, Switzerland.
| | - G Gosheger
- Department of Orthopaedics and Tumor Orthopaedics, University Hospital of Münster, Münster, Germany
| | - C Theil
- Department of Orthopaedics and Tumor Orthopaedics, University Hospital of Münster, Münster, Germany
| | - J Weller
- Department of Orthopaedics and Trauma Surgery, Klinik Gut, Via Arona 34, 7500, St. Moritz, Switzerland
| | - A Goth
- Department of Orthopaedics and Trauma Surgery, Klinik Gut, Via Arona 34, 7500, St. Moritz, Switzerland.,Department of Trauma Surgery, BG Trauma Center Murnau, Murnau, Germany
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Vázquez D, Schneider KN, Roesch MR. Neural signals implicated in the processing of appetitive and aversive events in social and non-social contexts. Front Syst Neurosci 2022; 16:926388. [PMID: 35993086 PMCID: PMC9381696 DOI: 10.3389/fnsys.2022.926388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
In 2014, we participated in a special issue of Frontiers examining the neural processing of appetitive and aversive events. Specifically, we reviewed brain areas that contribute to the encoding of prediction errors and value versus salience, attention and motivation. Further, we described how we disambiguated these cognitive processes and their neural substrates by using paradigms that incorporate both appetitive and aversive stimuli. We described a circuit in which the orbitofrontal cortex (OFC) signals expected value and the basolateral amygdala (BLA) encodes the salience and valence of both appetitive and aversive events. This information is integrated by the nucleus accumbens (NAc) and dopaminergic (DA) signaling in order to generate prediction and prediction error signals, which guide decision-making and learning via the dorsal striatum (DS). Lastly, the anterior cingulate cortex (ACC) is monitoring actions and outcomes, and signals the need to engage attentional control in order to optimize behavioral output. Here, we expand upon this framework, and review our recent work in which within-task manipulations of both appetitive and aversive stimuli allow us to uncover the neural processes that contribute to the detection of outcomes delivered to a conspecific and behaviors in social contexts. Specifically, we discuss the involvement of single-unit firing in the ACC and DA signals in the NAc during the processing of appetitive and aversive events in both social and non-social contexts.
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Affiliation(s)
- Daniela Vázquez
- Department of Psychology, University of Maryland, College Park, College Park, MD, United States
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, College Park, MD, United States
| | - Kevin N. Schneider
- Department of Psychology, University of Maryland, College Park, College Park, MD, United States
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, College Park, MD, United States
| | - Matthew R. Roesch
- Department of Psychology, University of Maryland, College Park, College Park, MD, United States
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, College Park, MD, United States
- *Correspondence: Matthew R. Roesch,
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Schneider KN, Sciarillo XA, Nudelman JL, Cheer JF, Roesch MR. Anterior Cingulate Cortex Signals Attention in a Social Paradigm that Manipulates Reward and Shock. Curr Biol 2020; 30:3724-3735.e2. [PMID: 32763169 PMCID: PMC7541607 DOI: 10.1016/j.cub.2020.07.039] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/04/2020] [Accepted: 07/10/2020] [Indexed: 01/09/2023]
Abstract
The ability to recognize emotions in others and adapt one's behavior accordingly is critical for functioning in any social context. This ability is impaired in several psychiatric disorders, such as autism and psychopathy. Recent work has identified the anterior cingulate cortex (ACC) among other brain regions involved in this process. Neural recording studies have shown that neurons in ACC are modulated by reward or shock when delivered to a conspecific and when experienced first-hand. Because previous studies do not vary reward and shock within the same experiment, it has been unclear whether the observed activity reflects how much attention is being paid to outcomes delivered to a conspecific or the valence associated with those stimuli. To address this issue, we recorded from ACC as rats performed a Pavlovian task that predicted whether reward, shock, or nothing would be delivered to the rat being recorded from or a conspecific located in the opposite chamber. Consistent with previous reports, we found that the firing of ACC neurons was modulated by aversive stimuli delivered to the recording rat and their conspecific. Activity of some of these neurons genuinely reflected outcome identity (i.e., reward or shock); however, the population of neurons as a whole responded similarly for both reward and shock, as well as for cues that predicted their occurrence (i.e., reward > neutral and shock > neutral; attention). These results suggest that ACC can process information about outcomes (i.e., identity and recipient) in the service of promoting attention in some social contexts.
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Affiliation(s)
- Kevin N Schneider
- Department of Psychology, University of Maryland, College Park, MD 20742, USA; Program in Neuroscience and Cognitive Science, University of Maryland, College Park, MD 20742, USA.
| | - Xavier A Sciarillo
- Department of Psychology, University of Maryland, College Park, MD 20742, USA
| | - Jacob L Nudelman
- Department of Psychology, University of Maryland, College Park, MD 20742, USA
| | - Joseph F Cheer
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA; Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD 21201, USA; Program in Neuroscience, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Matthew R Roesch
- Department of Psychology, University of Maryland, College Park, MD 20742, USA; Program in Neuroscience and Cognitive Science, University of Maryland, College Park, MD 20742, USA.
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Sciulli PW, Schneider KN. Dental caries and horticulture in prehistoric Ohio. Pa Archaeol 2001; 56:21-8. [PMID: 11617857] [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: 02/21/2023]
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Abstract
A blue encrustation was found on the repatriated remains of three U.S. Servicemen listed as missing in action (MIA) from Vietnam after 28 years. The identification and origin of the blue material was determined. Scanning electron microscopy with energy dispersive analysis and powder X-ray diffraction identified the material as the mineral vivianite, Fe3 (PO4)2.8H2O. Vivianite has been found often associated with fossilized bone and teeth, but this example is unusual in that it is only the second published forensic example of vivianite growing from human bone after such a short period of time. The presence of vivianite provides information leading to a more complete and accurate understanding of the taphonomic process associated with American MIA remains.
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Affiliation(s)
- R W Mann
- U.S. Army Central Identification Laboratory, Hickam AFB, HI 96853-5530, USA
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Abstract
In the present report we investigate stature estimation techniques in a sample of 64 (35 male, 29 female) prehistoric Native Americans from Ohio. Because living stature is unknown for these 64 individuals, we use Fully's (1956) anatomical method to provide the best estimates of living stature. In this method all osseous components of skeletal height are measured and soft tissue correction is added. Comparisons of regression equations commonly used for stature estimation in prehistoric Eastern Woodland Native American populations, but developed for East Asian and East Asian-derived populations (using lower extremity components), show that these commonly used equations consistently yield stature estimates 2 to 8 cm in excess of the best estimates from Fully's method. Based on the skeletal height measures of the 64 individuals in the present sample, we develop regression equations for the estimation of stature. These equations yield stature estimates virtually identical to estimates from Fully's method and may prove useful for stature reconstruction in other prehistoric Eastern Woodland Native American populations.
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Affiliation(s)
- P W Sciulli
- Department of Anthropology, Ohio State University, Columbus 43210
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Schneider KN, Blakeslee DJ. Evaluating residence patterns among prehistoric populations: clues from dental enamel composition. Hum Biol 1990; 62:71-83. [PMID: 2182513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We determined enamel composition (Ca, P, Mg, Cu, Mn, Se, Zn, Al, Sr, Pb) for the mandibular canines of 94 individuals from 4 prehistoric Arikara cemetery populations, collecting the compositional data using scanning electron microscopy energy dispersive x-ray analysis. We examined each of the four samples independently and then pooled them for a group comparison using correspondence analysis. The results indicate significant intrapopulational dispersal, particularly when viewed by age and sex subgroups. When all sites are included for correspondence analysis, a distinctive pattern of adult male dispersal compared to the more tightly clustered adult female and subadult subsample is apparent. We hypothesize that the observed pattern of dispersal indicates local geographic and possible dietary differences among the groups. Furthermore, we hypothesize that the observed differences between males, and females and subadults for each site are the result of a residence pattern of out-migration for males.
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Affiliation(s)
- K N Schneider
- Department of Anthropology, Wichita State University, Kansas 67208
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Abstract
Six populations of prehistoric Amerindians from Ohio are sampled to establish the relationship of enamel composition and dental caries experience. The populations used included groups practicing hunting-gathering-fishing and maize horticulture, and they represent at least two major cultural traditions, the Late Archaic/Glacial Kame (1000-500 BC) and the Fort Ancient and Sandusky Bay Traditions (AD) 1200-1600). Characterization of enamel composition is achieved using scanning electron microscopy energy-dispersive X-ray analysis. Thirteen elements present are quantified, and they are analyzed with respect to each population's subsistence base using correspondence analysis. Evaluations of cariogenic and cariostatic effects of elements are made on the basis of caries frequency comparisons among the populations. Results indicate that zinc, copper, iron, nickel, and calcium-phosphorus ratio distinguish populations exhibiting high, moderate, and low caries frequency as well as discriminate hunter-gathers from maize horticulturalists.
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Lozanoff S, Sciulli PW, Schneider KN. Third trochanter incidence and metric trait covariation in the human femur. J Anat 1985; 143:149-59. [PMID: 3870721 PMCID: PMC1166433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The relationship between third trochanter incidence and femoral metric trait covariation has been investigated in a group of 60 left human femora. The experimental sample was constructed so that one group consisted of 15 male and 15 female femora which displayed a third trochanter and a second group consisted of an equal number of sexed long bones which lacked this trait. A battery of ten femoral measurements was sorted according to main effects and interactions and respective covariance matrices were tested for equivalence. Covariance matrices of sorted variables determined not to be significantly different were initially subjected to both ANOVA and MANOVA and subsequently to a principal component analysis. Covariance matrices determined to be significantly different were subjected to a principal component analysis separately. Results of this study indicate that third trochanter incidence is associated with short femora displaying robust proximal diaphyses. The gluteus maximus muscle may act as a primary factor governing third trochanter expression. Further, this infracranial discrete trait appears well suited for human taxonomy studies.
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Affiliation(s)
- S Lozanoff
- Department of Anatomy, Ohio State University, Columbus 43210
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Paulson RB, Gottlieb LJ, Sciulli PW, Schneider KN. Double-rooted maxillary primary canines. ASDC J Dent Child 1985; 52:195-8. [PMID: 3859505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This paper includes morphological descriptions of bifurcated maxillary primary canines. Three major primary canine root types are recognized: A single root without trace of a groove, a root with a faint to distinct labial groove, a root with a broad and deep labial groove in the apical portion of the root.
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Abstract
Cranial and mandibular discrete traits and cranial metric traits were collected from 99-125 individuals in eight terminal Late Archaic sites. The analysis of ten metric traits in six samples showed that the samples shared the same generalized variance and that sexual dimorphism in the means of the metric traits was greater than inter-site differences. Since these samples share the same size and shape expression of a complex set of polygenic traits, we hypothesize a historical relationship among these samples. Discrete trait analysis showed a pattern of differentiation among the eight samples. This pattern of differentiation is related directly to the geographical separation between samples, and, as with metric traits, cultural differences do not contribute to the pattern of biological differences. The overall pattern of osteological variation in these samples can be summarized parsimoniously by paraphrasing the first law of geography: All of the terminal Late Archaic populations of Ohio were related to each other, but closer ones were more related than distant ones.
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Sciulli PW, Lozanoff S, Schneider KN. An analysis of diversity in Glacial Kame and Adena skeletal samples. Hum Biol 1984; 56:603-16. [PMID: 6530215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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