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  1. Article ; Online: Interpersonal distance in schizophrenia: A systematic review.

    Kraus, Jakub / Čavojská, Natália / Harvanová, Silvia / Hajdúk, Michal

    Schizophrenia research

    2024  Volume 266, Page(s) 1–11

    Abstract: Background and hypothesis: Schizophrenia is often associated with severe difficulties in social functioning, resulting in increased isolation and subsequent loneliness. Interpersonal distance - the amount of space around an individual's body during ... ...

    Abstract Background and hypothesis: Schizophrenia is often associated with severe difficulties in social functioning, resulting in increased isolation and subsequent loneliness. Interpersonal distance - the amount of space around an individual's body during social interaction - can signal such difficulties. However, little is known about how individuals with schizophrenia regulate their interpersonal distance during social encounters. Summarizing the current empirical findings of interpersonal distance regulation in schizophrenia can bring novel perspectives for understanding interpersonal difficulties observed in this clinical population.
    Study design: This systematic review examined empirical studies indexed in Web of Science and PubMed based on a-priori-defined criteria. 1164 studies were screened with the final review consisting of 14 studies. They together included 1145 adult participants, of whom 668 were diagnosed with schizophrenia or psychotic disorder.
    Study results: The studies clearly showed that patients maintain greater interpersonal distances than do controls. Furthermore, a larger distance was linked to more severe positive and negative symptoms. More specifically, the link to symptoms was more pronounced when patients were being approached by someone else during interactions. On a neurobiological level, the increased activity and functional connectivity of the dorsal inferior parietal sulcus and increased subjective state-dependent stress are further indicated as being potentially related to increase interpersonal distancing in schizophrenia.
    Conclusions: We provided information about the aberrant modulation of interpersonal distance in schizophrenia. Studies showed substantial heterogeneity in tasks used to measure interpersonal distance. Future studies should look at links to social functioning, underlying neurobiology, and neuroendocrinal regulation of interpersonal space in schizophrenia.
    MeSH term(s) Adult ; Humans ; Interpersonal Relations ; Schizophrenia/diagnosis ; Psychotic Disorders ; Loneliness ; Social Interaction
    Language English
    Publishing date 2024-02-15
    Publishing country Netherlands
    Document type Systematic Review ; Journal Article ; Review
    ZDB-ID 639422-x
    ISSN 1573-2509 ; 0920-9964
    ISSN (online) 1573-2509
    ISSN 0920-9964
    DOI 10.1016/j.schres.2024.02.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Temporal pathways from attachment insecurity to paranoia in a heterogeneous clinical sample: An experience sampling study.

    Dančík, Daniel / Hajdúk, Michal / Januška, Jakub / Straková, Alexandra / Heretik, Anton

    Psychology and psychotherapy

    2023  Volume 96, Issue 3, Page(s) 627–643

    Abstract: Introduction: There has been growing interest in the role of attachment mechanisms in the onset and maintenance of paranoia. The latest systematic reviews of mixed samples of healthy individuals and psychiatric patients have revealed that increased ... ...

    Abstract Introduction: There has been growing interest in the role of attachment mechanisms in the onset and maintenance of paranoia. The latest systematic reviews of mixed samples of healthy individuals and psychiatric patients have revealed that increased trait attachment anxiety and avoidance are associated with experiencing paranoia, with trait attachment anxiety showing a stronger association. Few studies have examined attachment and paranoia in naturalistic conditions via the Experience Sampling Method.
    Objectives: The present study examined whether experiences of attachment anxiety and avoidance fluctuate in the flow of daily life, and whether a within-person change in both attachment states precedes the experience of momentary paranoia, and negative and positive emotions.
    Methods: Thirty-seven clinical participants and twenty-six healthy controls were studied over six consecutive days using the Experience Sampling Method (ESM). An experience-in-close-relationships questionnaire (ECR-R 16 SF) was used to capture trait attachment dimensions. Several ESM items were used to capture momentary negative and positive affect, paranoia and attachment insecurity states.
    Results: The findings revealed that fluctuations in both attachment insecurity states were significantly higher in the clinical group. A prior elevated attachment anxiety and avoidance was followed by an increase in negative affect in the next moment and elevated attachment avoidance was additionally followed by a decrease in positive affect and an increase in paranoia.
    Conclusion: Our findings reveal the specific temporal associations between momentary attachment insecurity states as predictors of change in emotions/affects and paranoia, along with evidence that state attachment avoidance has a superior impact on momentary affect and paranoia compared to state attachment anxiety. These results contrast with those of recent cross-sectional studies.
    MeSH term(s) Humans ; Paranoid Disorders/psychology ; Ecological Momentary Assessment ; Emotions ; Anxiety/psychology ; Anxiety Disorders/complications
    Language English
    Publishing date 2023-03-13
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2063873-5
    ISSN 2044-8341 ; 1476-0835
    ISSN (online) 2044-8341
    ISSN 1476-0835
    DOI 10.1111/papt.12460
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  3. Article: Retention in outpatient treatment of alcohol dependence based on the Lesch`s typology and the involvement of a close person.

    Visnovsky, Eduard / Turcek, Michal / Hajduk, Michal / Pecenak, Jan

    Bratislavske lekarske listy

    2022  Volume 123, Issue 11, Page(s) 785–790

    Abstract: Objectives: Retention in alcohol-dependence treatment is an indicator of successful treatment. The aim of this study was to analyze Lesch's typology of alcohol dependence (LAT) and the participation of close people as potential predictors of retention ... ...

    Abstract Objectives: Retention in alcohol-dependence treatment is an indicator of successful treatment. The aim of this study was to analyze Lesch's typology of alcohol dependence (LAT) and the participation of close people as potential predictors of retention in outpatient treatment.
    Methods: Participants were included in the study according to the inclusion criteria. Data were collected over eight visits during a 6-month period. The primary outcome was retention in treatment during the 6-month follow-up period.
    Results: 119 patients were involved in the study, and 84 (70.6 %) of those patients remained in treatment up to the 6th month. Analysis of retention was performed for the Lesch I, II, and III types, as the type IV patients were underrepresented and had different baseline characteristics. Higher retention was found for Lesch I type patients (78.4 %) in comparison to the merged II and III groups. The presence of close people at planned visits had a significant effect on treatment persistence.
    Conclusions: We found no significant difference in the treatment retention of alcohol-dependent patients at the 6-month follow-up. However, a more comprehensive survival analysis indicated a trend of different retention dynamics between the Lesch I and merged Lesch II and III subgroups. Baseline severity of dependence measured by AUDIT score had no significant effect on treatment retention (Tab. 1, Fig. 3, Ref. 35).
    MeSH term(s) Alcoholism/therapy ; Ethanol ; Humans ; Outpatients
    Chemical Substances Ethanol (3K9958V90M)
    Language English
    Publishing date 2022-10-18
    Publishing country Slovakia
    Document type Journal Article
    ZDB-ID 127421-1
    ISSN 0006-9248
    ISSN 0006-9248
    DOI 10.4149/BLL_2022_126
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  4. Article ; Online: Heterogeneity of social cognitive performance in autism and schizophrenia.

    Hajdúk, Michal / Pinkham, Amy E / Penn, David L / Harvey, Philip D / Sasson, Noah J

    Autism research : official journal of the International Society for Autism Research

    2022  Volume 15, Issue 8, Page(s) 1522–1534

    Abstract: Autistic adults and those with schizophrenia (SCZ) demonstrate similar levels of reduced social cognitive performance at the group level, but it is unclear whether these patterns are relatively consistent or highly variable within and between the two ... ...

    Abstract Autistic adults and those with schizophrenia (SCZ) demonstrate similar levels of reduced social cognitive performance at the group level, but it is unclear whether these patterns are relatively consistent or highly variable within and between the two conditions. Seventy-two adults with SCZ (52 male, M
    MeSH term(s) Adult ; Autism Spectrum Disorder/psychology ; Autistic Disorder/psychology ; Cognition ; Humans ; Intellectual Disability ; Male ; Schizophrenia/complications ; Social Behavior ; Social Cognition ; Young Adult
    Language English
    Publishing date 2022-04-23
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2481338-2
    ISSN 1939-3806 ; 1939-3792
    ISSN (online) 1939-3806
    ISSN 1939-3792
    DOI 10.1002/aur.2730
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Identity recognition from faces and bodies in schizophrenia spectrum disorders.

    Russell, Madisen T / Hajdúk, Michal / Springfield, Cassi R / Klein, Hans S / Bass, Emily L / Mittal, Vijay A / Williams, Trevor F / O'Toole, Alice J / Pinkham, Amy E

    Schizophrenia research. Cognition

    2024  Volume 36, Page(s) 100307

    Abstract: Deficits in facial identity recognition and its association with poor social functioning are well documented in schizophrenia, but none of these studies have assessed the role of the body in these processes. Recent research in healthy populations shows ... ...

    Abstract Deficits in facial identity recognition and its association with poor social functioning are well documented in schizophrenia, but none of these studies have assessed the role of the body in these processes. Recent research in healthy populations shows that the body is also an important source of information in identity recognition, and the current study aimed to thoroughly examine identity recognition from both faces and bodies in schizophrenia. Sixty-five individuals with schizophrenia and forty-nine healthy controls completed three conditions of an identity matching task in which they attempted to match unidentified persons in unedited photos of faces and bodies, edited photos showing faces only, or edited photos showing bodies only. Results revealed global deficits in identity recognition in individuals with schizophrenia (η
    Language English
    Publishing date 2024-03-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2800609-4
    ISSN 2215-0013
    ISSN 2215-0013
    DOI 10.1016/j.scog.2024.100307
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  6. Article ; Online: Social cognition, neurocognition, symptomatology, functional competences and outcomes in people with schizophrenia - A network analysis perspective.

    Hajdúk, Michal / Penn, David L / Harvey, Philip D / Pinkham, Amy E

    Journal of psychiatric research

    2021  Volume 144, Page(s) 8–13

    Abstract: Background: Extensive difficulties in reaching functional milestones characterize schizophrenia and related psychotic disorders. These impairments are in part explained by lower social cognitive abilities, cognitive impairment, and current ... ...

    Abstract Background: Extensive difficulties in reaching functional milestones characterize schizophrenia and related psychotic disorders. These impairments are in part explained by lower social cognitive abilities, cognitive impairment, and current psychopathology. The present study aims to model dynamic associations among social cognition, neurocognition, psychopathology, social skills, functional capacity, and functional outcomes in schizophrenia using network analysis in order to identify those factors that are most central to functioning.
    Methods: The sample consisted of 408 patients with schizophrenia spectrum disorders who were drawn from the SCOPE project. Participants completed a complex battery of state-of-the-art measures of social cognition, neurocognition, and functional outcomes. Gaussian Graphical Modeling was used for estimation of the network structure. Accuracy of the network was evaluated using the Bootstrap method.
    Results: Data supported the importance of functional capacity and social skills, which are prerequisites to real - world outcomes. These variables were among the most central in the network. Social cognition was related to functional capacity, social skills, and real - world functioning. Negative symptoms were connected to functional capacity, social skills, and real - world functioning.
    Conclusions: Predictors of functional outcomes are complexly associated with each other. Functional capacity, social - skills, working memory, negative symptoms, mentalizing, and emotion recognition were central nodes that support their importance as potential targets of personalized intervention.
    MeSH term(s) Cognition ; Cognitive Dysfunction ; Humans ; Neuropsychological Tests ; Psychopathology ; Psychotic Disorders ; Schizophrenia ; Social Cognition
    Language English
    Publishing date 2021-09-24
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 3148-3
    ISSN 1879-1379 ; 0022-3956
    ISSN (online) 1879-1379
    ISSN 0022-3956
    DOI 10.1016/j.jpsychires.2021.09.041
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  7. Article ; Online: Untangling the Factors Contributing to Functional Outcome in Schizophrenia.

    Hajduk, Michal / Pinkham, Amy E

    JAMA psychiatry

    2018  Volume 75, Issue 7, Page(s) 754

    MeSH term(s) Humans ; Psychopathology ; Schizophrenia ; Schizophrenic Psychology
    Language English
    Publishing date 2018-06-29
    Publishing country United States
    Document type Letter ; Comment
    ZDB-ID 2701203-7
    ISSN 2168-6238 ; 2168-622X
    ISSN (online) 2168-6238
    ISSN 2168-622X
    DOI 10.1001/jamapsychiatry.2018.1223
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  8. Article ; Online: Slovak version of the Trail Making Test: Normative data.

    Málišová, Eva / Dančík, Daniel / Heretik, Anton / Abrahámová, Miroslava / Krakovská, Simona / Brandoburová, Petra / Hajdúk, Michal

    Applied neuropsychology. Adult

    2021  , Page(s) 1–8

    Abstract: The Trail Making Test (TMT) is a popular measure of cognitive functioning, especially processing speed and cognitive flexibility. This study aims to provide normative data for the Slovak adult population. The secondary aim is to test the convergent ... ...

    Abstract The Trail Making Test (TMT) is a popular measure of cognitive functioning, especially processing speed and cognitive flexibility. This study aims to provide normative data for the Slovak adult population. The secondary aim is to test the convergent validity by examining relationships of direct and derived indices to other neuropsychological measures. A sample of 487 healthy adults undertook neuropsychological testing. The relationships of TMT scores to demographic variables and other neuropsychological measures were tested. Age was positively correlated with TMT-A (r = 0.444,
    Language English
    Publishing date 2021-03-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2673736-X
    ISSN 2327-9109 ; 2327-9095
    ISSN (online) 2327-9109
    ISSN 2327-9095
    DOI 10.1080/23279095.2021.1890596
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  9. Article: Gait Disorders Questionnaire-Promising Tool for Virtual Reality Designing in Patients With Parkinson's Disease.

    Kosutzka, Zuzana / Kusnirova, Alice / Hajduk, Michal / Straka, Igor / Minar, Michal / Valkovic, Peter

    Frontiers in neurology

    2019  Volume 10, Page(s) 1024

    Abstract: Background: ...

    Abstract Background:
    Language English
    Publishing date 2019-09-24
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2564214-5
    ISSN 1664-2295
    ISSN 1664-2295
    DOI 10.3389/fneur.2019.01024
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  10. Article ; Online: Psychotic experiences in student population during the COVID-19 pandemic.

    Hajdúk, Michal / Dančík, Daniel / Januška, Jakub / Svetský, Viktor / Straková, Alexandra / Turček, Michal / Vašečková, Barbora / Forgáčová, Ľubica / Heretik, Anton / Pečeňák, Ján

    Schizophrenia research

    2020  Volume 222, Page(s) 520–521

    MeSH term(s) Adult ; Anxiety/epidemiology ; COVID-19 ; Coronavirus Infections ; Cross-Sectional Studies ; Depression/epidemiology ; Female ; Humans ; Loneliness ; Longitudinal Studies ; Male ; Pandemics ; Pneumonia, Viral ; Psychotic Disorders/epidemiology ; Slovakia/epidemiology ; Stress, Psychological/epidemiology ; Students/statistics & numerical data ; Universities ; Young Adult
    Keywords covid19
    Language English
    Publishing date 2020-05-13
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 639422-x
    ISSN 1573-2509 ; 0920-9964
    ISSN (online) 1573-2509
    ISSN 0920-9964
    DOI 10.1016/j.schres.2020.05.023
    Database MEDical Literature Analysis and Retrieval System OnLINE

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