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G. Spies · SciRah

Researcher profile · Semantic Scholar

G. Spies

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G. Spies — researcher profile on SciRah

h-index: 20
Works: 69
Citations: 1,317

Most-cited papers

Validity of the Kessler 10 (K-10) in detecting DSM-IV defined mood and anxiety disorders among pregnant women
G. Spies, Dan J Stein, A. Roos, S. Faure +3 more
2009Archives of Women's Mental Health143 citations
Semantic Scholar
Hippocampal and amygdala volumes in adults with posttraumatic stress disorder secondary to childhood abuse or maltreatment: A systematic review.
F. Ahmed-Leitao, G. Spies, L. L. van den Heuvel, S. Seedat
2016Psychiatry research. Neuroimaging99 citations
Semantic Scholar
Validity of the K-10 in detecting DSM-IV-defined depression and anxiety disorders among HIV-infected individuals
G. Spies, K. Kader, M. Kidd, J. Smit +3 more
2009AIDS Care90 citations
Semantic Scholar
Depression and resilience in women with HIV and early life stress: does trauma play a mediating role? A cross-sectional study
G. Spies, S. Seedat
2014BMJ Open89 citations Open access
Semantic Scholar
Social Functioning in Individuals Affected by Childhood Maltreatment: Establishing a Research Agenda to Inform Interventions
M. Pfaltz, S. Halligan, Shilat Haim-Nachum, M. R. Sopp +27 more
2021Psychotherapy and Psychosomatics78 citations Open access
Semantic Scholar
Physical and mental health impact of COVID-19 on children, adolescents, and their families: The Collaborative Outcomes study on Health and Functioning during Infection Times - Children and Adolescents (COH-FIT-C&A)
M. Solmi, A. Estradé, Trevor Thompson, A. Agorastos +211 more
2021Journal of Affective Disorders69 citations Open access
Semantic Scholar
Cognitive-behavioural interventions for mood and anxiety disorders in HIV: A systematic review
G. Spies, L. Asmal, S. Seedat
2013Journal of Affective Disorders68 citations
Semantic Scholar
Effects of HIV and childhood trauma on brain morphometry and neurocognitive function
G. Spies, F. Ahmed-Leitao, C. Fennema-Notestine, M. Cherner +1 more
2014Journal of Neurovirology53 citations Open access
Semantic Scholar
Changes in cognitive function in women with HIV infection and early life stress
G. Spies, C. Fennema-Notestine, M. Cherner, S. Seedat
2016AIDS Care49 citations Open access
Semantic Scholar
Mental health outcomes in HIV and childhood maltreatment: a systematic review
G. Spies, T. Afifi, S. Archibald, C. Fennema-Notestine +2 more
2012Systematic Reviews48 citations Open access
Semantic Scholar
The collaborative outcomes study on health and functioning during infection times in adults (COH-FIT-Adults): Design and methods of an international online survey targeting physical and mental health effects of the COVID-19 pandemic
Marco Solmi, A. Estradé, Trevor Thompson, A. Agorastos +211 more
2021Journal of Affective Disorders42 citations Open access
Semantic Scholar
NEUROCOGNITIVE DEFICITS IN HIV-INFECTED WOMEN AND VICTIMS OF CHILDHOOD TRAUMA
G. Spies, C. Fennema-Notestine, S. Archibald, M. Cherner +1 more
2012AIDS Care41 citations Open access
Semantic Scholar
Distinguishing postpartum and antepartum depressive trajectories in a large population-based cohort: the impact of exposure to adversity and offspring gender
C. Denckla, A. Mancini, Nathan S. Consedine, Snezana M. Milanovic +6 more
2017Psychological Medicine39 citations Open access
Semantic Scholar
EMDR v. other psychological therapies for PTSD: a systematic review and individual participant data meta-analysis.
S. Wright, E. Karyotaki, P. Cuijpers, J. Bisson +16 more
2024Psychological Medicine35 citations Open access
Semantic Scholar
Shorter Telomere Length - A Potential Susceptibility Factor for HIV-Associated Neurocognitive Impairments in South African Woman
S. Malan-Müller, S. Hemmings, G. Spies, M. Kidd +2 more
2013PLoS ONE35 citations Open access
Semantic Scholar
Child maltreatment and resilience in adulthood: a systematic review and meta-analysis
N. Fares-Otero, J. Carranza-Neira, J. Womersley, A. Stegemann +4 more
2025Psychological Medicine26 citations Open access
Semantic Scholar
HIV-1 Subtypes B and C Unique Recombinant Forms (URFs) and Transmitted Drug Resistance Identified in the Western Cape Province, South Africa
G. Jacobs, E. Wilkinson, S. Isaacs, G. Spies +3 more
2014PLoS ONE25 citations Open access
Semantic Scholar
Impact of childhood trauma on functionality and quality of life in HIV-infected women
Zyrhea Troeman, G. Spies, M. Cherner, S. Archibald +5 more
2011Health and Quality of Life Outcomes24 citations Open access
Semantic Scholar
A factor analytic study of the Childhood Trauma Questionnaire-Short Form in an all-female South African sample with and without HIV infection
G. Spies, M. Kidd, S. Seedat
2019International Journal of Child Abuse & Neglect23 citations Open access
Semantic Scholar
Incidence and Persistence of Depression Among Women Living with and Without HIV in South Africa: A Longitudinal Study
G. Spies, E. C. Konkiewitz, S. Seedat
2018Aids and Behavior20 citations Open access
Semantic Scholar
Social support and (complex) posttraumatic stress symptom severity: does gender matter?
N. Fares-Otero, T. Sharp, Shreelakshmi Karthikeyan, S. R. Balle +36 more
2024European Journal of Psychotraumatology19 citations Open access
Semantic Scholar
Global and risk-group stratified well-being and mental health during the COVID-19 pandemic in adults: Results from the international COH-FIT Study.
M. Solmi, Trevor Thompson, A. Estradé, A. Agorastos +210 more
2024Psychiatry Research19 citations Open access
Semantic Scholar
Child maltreatment and resilience in adulthood: a protocol for a systematic review and meta-analysis
N. Fares-Otero, J. O, G. Spies, J. Womersley +9 more
2023European Journal of Psychotraumatology16 citations Open access
Semantic Scholar
Validation of the Collaborative Outcomes study on Health and Functioning during Infection Times (COH-FIT) questionnaire for adults
M. Solmi, T. Thompson, A. Estradé, A. Agorastos +212 more
2022Journal of Affective Disorders15 citations Open access
Semantic Scholar
Associations between neurocognitive functioning and social and occupational resilience among South African women exposed to childhood trauma
C. Denckla, Nathan S. Consedine, G. Spies, Mariana Cherner +3 more
2017European Journal of Psychotraumatology14 citations Open access
Semantic Scholar
Collaborative outcomes study on health and functioning during infection times (COH-FIT): Insights on modifiable and non-modifiable risk and protective factors for wellbeing and mental health during the COVID-19 pandemic from multivariable and network analyses.
M. Solmi, Trevor Thompson, S. Cortese, A. Estradé +210 more
2024European Neuropsychopharmacology13 citations Open access
Semantic Scholar
Collaborative Outcomes Study on Health and Functioning During Infection Times (COH-FIT): Global and Risk-Group Stratified Course of Well-Being and Mental Health During the COVID-19 Pandemic in Adolescents.
Marco Solmi, Trevor Thompson, S. Cortese, Andrés Estradé +210 more
2024Journal of the American Academy of Child and Adolescent Psychiatry12 citations Open access
Semantic Scholar
Functional Neuroimaging of Adult-to-Adult Romantic Attachment Separation, Rejection, and Loss: A Systematic Review
A. S. Van der Watt, G. Spies, A. Roos, E. Lesch +1 more
2021Journal of clinical psychology in medical settings12 citations
Semantic Scholar
Type and severity of intimate partner violence and its relationship with PTSD in HIV-infected women
Fatima Hansrod, G. Spies, S. Seedat
2014Psychology, Health & Medicine12 citations Open access
Semantic Scholar
The relationship between potentially traumatic or stressful events, HIV infection and neurocognitive impairment (NCI): a systematic review of observational epidemiological studies
G. Spies, S. Mall, H. Wieler, L. Masilela +2 more
2020European Journal of Psychotraumatology11 citations Open access
Semantic Scholar
Childhood maltreatment is linked to larger preferred interpersonal distances towards friends and strangers across the globe
Shilat Haim-Nachum, M. R. Sopp, A. Lüönd, Nimrah Afzal +39 more
2024Translational Psychiatry9 citations Open access
Semantic Scholar
Childhood trauma interacts with ApoE to influence neurocognitive function in women living with HIV
J. Womersley, G. Spies, S. Seedat, S. Hemmings
2018Journal of Neurovirology7 citations Open access
Semantic Scholar
Neuropsychological Test Norms for the Assessment of HIV-Associated Neurocognitive Impairment Among South African Adults
M. Deist, S. Suliman, M. Kidd, D. Franklin +4 more
2023Aids and Behavior6 citations Open access
Semantic Scholar
Effects of unhealthy alcohol use on brain morphometry and neurocognitive function among people with HIV
G. Spies, F. Ahmed-Leitao, Graeme Hoddinott, S. Seedat
2021Journal of Neurovirology5 citations Open access
Semantic Scholar
HPA-axis genes as potential risk variants for neurocognitive decline in trauma-exposed, HIV-positive females
S. Jacobs, K. Moxley, J. Womersley, G. Spies +2 more
2018Neuropsychiatric Disease and Treatment5 citations Open access
Semantic Scholar
Altered white matter integrity in the corpus callosum in adults with HIV: a systematic review of diffusion tensor imaging studies.
F. Ahmed-Leitao, S. du Plessis, Elisabete Castelon Konkiewitz, G. Spies +1 more
2022Psychiatry research. Neuroimaging4 citations
Semantic Scholar
Generalizability of demographically corrected Zambian neuropsychological norms to South African women
C. Denckla, G. Spies, R. Heaton, J. Vasterling +6 more
2019Clinical Neuropsychologist4 citations Open access
Semantic Scholar
The relationship between cognitive change and physical health and behavioural outcomes in a Ugandan cohort of adults living with HIV – a longitudinal study
G. Spies, C. Denckla, S. Mall, J. Levin +3 more
2018AIDS Care4 citations Open access
Semantic Scholar
Correction: Shorter Telomere Length - A Potential Susceptibility Factor for HIV-Associated Neurocognitive Impairments in South African Women
S. Malan-Müller, S. Hemmings, G. Spies, M. Kidd +2 more
2013PLoS ONE4 citations Open access
Semantic Scholar
Mental health, coping and related risk factors during the first 2 years of the COVID-19 pandemic in children: Nationally representative, multi-wave, cross-sectional results from 12 countries from the global COH-FIT study.
A. Agorastos, Trevor Thompson, M. Solmi, S. Cortese +210 more
2025European Neuropsychopharmacology3 citations Open access
Semantic Scholar
A longitudinal analysis of neurocognitive profiles in South African women with HIV
A. S. J. van der Watt, G. Spies, S. Seedat
2025AIDS Care3 citations Open access
Semantic Scholar
Attitudes of patients and mental health professionals towards hypothetical use of serious games in psychotherapy
G. Spies, Jessica H. Huss, Oscar Motswage, Soraya Seedat +1 more
2024Health Informatics Journal3 citations Open access
Semantic Scholar
Longitudinal telomere length profile does not reflect HIV and childhood trauma impacts on cognitive function in South African women
J. Womersley, G. Spies, G. Tromp, S. Seedat +1 more
2021Journal of Neurovirology3 citations Open access
Semantic Scholar
Attitudes among South African university staff and students towards disclosing secondary genetic findings
G. Spies, Jolynne Mokaya, J. Steadman, Nicole Schuitmaker +5 more
2020Journal of Community Genetics3 citations Open access
Semantic Scholar
The effect of childhood trauma, ApoE genotype and HIV-1 viral protein R variants on change in cognitive performance
J. Womersley, Lara B. Clauss, Olivette Varathan, S. Engelbrecht +3 more
2019BMC Research Notes3 citations Open access
Semantic Scholar
Screening for HIV-associated neurocognitive impairment: Development and validation of an abbreviated neuropsychological test battery for use in South African clinical settings
G. Spies, M. Deist, S. Suliman, S. Seedat
2022Neuropsychology2 citations Open access
Semantic Scholar
Patterning of individual variability in neurocognitive health among South African women exposed to childhood maltreatment
C. Denckla, Sun Yeop Lee, Rockli Kim, G. Spies +3 more
2021Scientific Reports2 citations Open access
Semantic Scholar
SASOP Biological Psychiatry Congress 2013 Abstracts
E. Allers, O. Betancourt, J. Benson-Martin, P. Buckley +55 more
20132 citations Open access
Semantic Scholar
Neurocognitive outcomes in HIV and childhood trauma
G. Spies
20112 citations
Semantic Scholar
Hazardous or harmful alcohol use and reward processing in people with HIV
L. L. van den Heuvel, F. Ahmed-Leitao, S. du Plessis, Graeme Hoddinott +2 more
2022Journal of Neurovirology1 citations
Semantic Scholar

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