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  1. Book ; Thesis: Evaluation der Sicherheit einer ROTEM™- gesteuerten Therapie mit Gerinnungsfaktoren bei Lebertransplantationen

    Walde, Caroline / Hartmann, Matthias

    2023  

    Institution Universität Duisburg-Essen
    Author's details vorgelegt von Caroline Walde, geb. Simon ; 1. Gutachter: Herr Prof. Dr. med. M. Hartmann, 2. Gutachter: Herr Priv.-Doz. Dr. med. D.P. Hoyer
    Language German
    Size 53 Seiten, Illustrationen
    Publishing place Duisburg ; Essen
    Publishing country Germany
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Dissertation, Universität Duisburg-Essen, 2023
    HBZ-ID HT030608200
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    2023 E 1447 order for loan Magazin

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  2. Article ; Online: Summing up: A functional role of eye movements along the mental number line for arithmetic.

    Hartmann, Matthias

    Acta psychologica

    2022  Volume 230, Page(s) 103770

    Abstract: In Western cultures, small-left and large-right spatial-numerical associations are constantly found in various simple number processing tasks. It has recently been suggested that spatial associations are also involved in more complex number processing, ... ...

    Abstract In Western cultures, small-left and large-right spatial-numerical associations are constantly found in various simple number processing tasks. It has recently been suggested that spatial associations are also involved in more complex number processing, for example that individuals make rightward or upward "mental" movements along the number line during addition, and leftward or downward movements during subtraction. In line with this, it has been shown that participants' spontaneous eye movements on a blank screen during upward and downward counting follow such associations. The present research investigated whether eye movements along the number line are simply an epiphenomenon of the recruitment of a spatial reference frame, or whether they play a functional role for the arithmetic computation. This question was addressed by using multi-step problems (e.g., 59 + 5 + 4 + 3) that show a larger proportion of computation (vs. retrieval) when compared to single-step problems (e.g., 59 + 5), as confirmed in Pretest 1. Moreover, the question was addressed only for addition problems and vertical eye movements, because spatial-arithmetic associations were not found in the other conditions (subtraction, horizontal eye movements) in Pretest 2. In the main experiment, participants (n = 29) solved addition problems while following a moving dot with their eyes (smooth pursuit) either in a congruent (upward) or incongruent (downward) direction, or while keeping their eyes fixated on to the center of the screen, or while moving their eyes freely on a blank screen. Arithmetic performance was faster in the congruent condition (upward eye movements) when compared to the other conditions (downward eye movements, central fixation, free viewing). These results suggest that vertical shifts in spatial attention along the mental number line are functionally involved in addition. The results support the view of shared mechanisms for directing spatial attention in external (visual) and representational (number space). Implications for embodied views of number processing are discussed.
    MeSH term(s) Humans ; Eye Movements ; Mathematics ; Attention ; Movement
    Language English
    Publishing date 2022-10-22
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1480049-4
    ISSN 1873-6297 ; 0001-6918
    ISSN (online) 1873-6297
    ISSN 0001-6918
    DOI 10.1016/j.actpsy.2022.103770
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Book: Biodiversität und Naturausstattung im Himalaya / [1]

    Hartmann, Matthias

    2003  

    Institution Verein der Freunde und Förderer des Naturkundemuseums Erfurt
    Author's details Verein der Freunde & Förderer des Naturkundemuseums Erfurt e.V. Hrsg. von Matthias Hartmann
    Collection Biodiversität und Naturausstattung im Himalaya
    Language Multiple languages
    Size 390, XVI S. : zahlr. Ill., graph. Darst., Kt., 31 cm
    Publishing place Erfurt
    Publishing country Germany
    Document type Book
    Note Beitr. teilw. dt., teilw. engl. - Literaturangaben ; Tagungsband zum 1. internationalen Symposium "Biodiversität und Naturausstattung im Himalaya", das im Dezember 2002 in Erfurt stattfand.
    HBZ-ID HT014089126
    ISBN 3-00-011451-3 ; 978-3-00-011451-9
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Shelf markLoan statusLocation
    044/507 available for loan (reading room) Freihandmagazin (U1)

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  4. Book ; Collection: Biodiversität und Naturausstattung im Himalaya

    Hartmann, Matthias

    = Biodiversity and natural heritage of the Himalaya

    2003  

    Title variant Biodiversity and natural heritage of the Himalaya
    Institution Verein der Freunde und Förderer des Naturkundemuseums Erfurt
    Author's details Verein der Freunde & Förderer des Naturkundemuseums Erfurt e.V. Hrsg. von Matthias Hartmann
    Keywords Himalaja ; Insekten
    Subject Hexapoda ; Insecta ; Kerbtiere ; Kerfe ; Insekt
    Language Multiple languages
    Dates of publication 2003-9999
    Publishing place Erfurt
    Publishing country Germany
    Document type Book ; Collection (display volumes)
    HBZ-ID HT015690299
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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  5. Article ; Online: Linking paranormal and conspiracy beliefs to illusory pattern perception through signal detection theory.

    Müller, Petra / Hartmann, Matthias

    Scientific reports

    2023  Volume 13, Issue 1, Page(s) 9739

    Abstract: Previous research indicates that irrational beliefs (Paranormal beliefs & conspiracy theory endorsement) are associated with the perception of patterns in noise, but the previous findings do not conclusively describe this relationship. This study aims to ...

    Abstract Previous research indicates that irrational beliefs (Paranormal beliefs & conspiracy theory endorsement) are associated with the perception of patterns in noise, but the previous findings do not conclusively describe this relationship. This study aims to disentangle the underlying parameters of this association by applying a signal detection theory approach, thus allowing to distinguish illusory pattern perception (false alarms) from perceptual sensitivity and response tendencies-while also taking base rate information into account. Results from a large sample (N = 723) indicate that paranormal beliefs relate to a more liberal response bias and a lower perceptual sensitivity, and that this relationship is driven by illusory pattern perception. Such a clear pattern could not be observed for conspiracy beliefs, for which the increase in false alarm rates was moderated by the base rate. The associations between irrational beliefs and illusory pattern perception were however less substantial compared to other sources of variance. Implications are discussed.
    MeSH term(s) Humans ; Culture ; Signal Detection, Psychological/physiology ; Illusions/physiology
    Language English
    Publishing date 2023-06-16
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-023-36230-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Illusory perception of visual patterns in pure noise is associated with COVID-19 conspiracy beliefs.

    Hartmann, Matthias / Müller, Petra

    i-Perception

    2023  Volume 14, Issue 1, Page(s) 20416695221144732

    Abstract: Just as perceptual heuristics can lead to visual illusions, cognitive heuristics can lead to biased judgements, such as "illusory pattern perception" (i.e., seeing patterns in unrelated events). Here we further investigated the common underlying ... ...

    Abstract Just as perceptual heuristics can lead to visual illusions, cognitive heuristics can lead to biased judgements, such as "illusory pattern perception" (i.e., seeing patterns in unrelated events). Here we further investigated the common underlying mechanism behind irrational beliefs and illusory pattern perception in visual images. For trials in which no object was present in the noise, we found that the tendency to report seeing an object was positively correlated with the endorsement of both COVID-19 specific conspiracy theories and paranormal beliefs. The present results suggest that the cognitive bias to see meaningful connections in noise can have an impact on socio-political cognition as well as on perceptual decision making.
    Language English
    Publishing date 2023-01-18
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2619696-7
    ISSN 2041-6695 ; 2041-6695
    ISSN (online) 2041-6695
    ISSN 2041-6695
    DOI 10.1177/20416695221144732
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  7. Article ; Online: Acceptance and Adherence to COVID-19 Preventive Measures are Shaped Predominantly by Conspiracy Beliefs, Mistrust in Science and Fear - A Comparison of More than 20 Psychological Variables.

    Hartmann, Matthias / Müller, Petra

    Psychological reports

    2022  Volume 126, Issue 4, Page(s) 1742–1783

    Abstract: The global coronavirus (COVID-19) pandemic sparked a great interest in psychological factors that determine or explain peoples' responses to the novel threatening situation and the preventive measures (e.g. wearing masks, social distancing). In this ... ...

    Abstract The global coronavirus (COVID-19) pandemic sparked a great interest in psychological factors that determine or explain peoples' responses to the novel threatening situation and the preventive measures (e.g. wearing masks, social distancing). In this study, we focused on contaminated mindware (conspiracy and paranormal beliefs) and investigated its relationship with both acceptance of and adherence to COVID-19 preventive measures, along with other variables from the domains of emotion (trait anxiety, fear), traditional personality traits (Big 5, locus of control, optimism/pessimism) and motivation (self-control, dispositional regulatory focus). A total of 22 variables were measured in an online survey (
    MeSH term(s) Humans ; COVID-19/prevention & control ; Fear ; Emotions ; Anxiety ; Personality
    Language English
    Publishing date 2022-02-25
    Publishing country United States
    Document type Journal Article
    ZDB-ID 205658-6
    ISSN 1558-691X ; 0033-2941
    ISSN (online) 1558-691X
    ISSN 0033-2941
    DOI 10.1177/00332941211073656
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 668: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  8. Book ; Audio / Video ; Thesis: Interaktionen und Kompartimentierungen von Signal-Transduktionsvorgängen

    Hartmann, Matthias

    experimentelle Untersuchungen an Myokard und Endothel

    (Forschen und Wissen - Medizin)

    2001  

    Author's details Matthias Hartmann
    Series title Forschen und Wissen - Medizin
    Keywords Herzmuskel ; Signaltransduktion ; Wechselwirkung
    Subject Wechselwirkungen ; Interaktion ; Signalübertragung ; Signalvermittlung ; Herzmuskeln ; Herzmuskulatur ; Myokard ; Myocard ; Myocardium ; Herzmuskelgewebe
    Language German
    Size III, 94 S. : Ill., graph. Darst., 21 cm
    Edition Als Ms. gedr.
    Publisher GCA-Verl
    Publishing place Herdecke
    Publishing country Germany
    Document type Book ; Audio / Video ; Thesis
    Thesis / German Habilitation thesis Düsseldorf, Univ., Habil.-Schr., 2000
    HBZ-ID HT013203601
    ISBN 3-89863-047-1 ; 978-3-89863-047-4
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    2003 A 898 order for loan Magazin

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  9. Article ; Online: CD45RA and CD45RO Are Regulated in a Cell-Type Specific Manner in Inflammation and Sepsis.

    Ahmed, Muhammad G T / Limmer, Andreas / Hartmann, Matthias

    Cells

    2023  Volume 12, Issue 14

    Abstract: CD45 is a transmembrane glycoprotein that is located on the surface of all leukocytes and modulates both innate and adaptive immune system functions. In a recent study, inflammation modulated the CD45 expression in leukocytes, but the effect on the ... ...

    Abstract CD45 is a transmembrane glycoprotein that is located on the surface of all leukocytes and modulates both innate and adaptive immune system functions. In a recent study, inflammation modulated the CD45 expression in leukocytes, but the effect on the expression of CD45 subtypes is unknown. In the present study, we therefore investigated the effect of inflammatory conditions in humans (surgery, sepsis) and ex vivo incubation with lipopolysaccharides (LPS) on the expression of the subtypes CD45RA and CD45RO in granulocytes, lymphocytes, and monocytes. Whole blood samples were obtained from healthy volunteers, postoperative patients, and patients with sepsis at day 1 of diagnosis, respectively. Samples were incubated with fluorescent antibodies directed against CD45, CD45RA and CD45RO in the absence and presence of lipopolysaccharide and subjected to flow cytometry. In comparison to volunteers, CD45RA surface expression in postoperative and septic patients was reduced by 89% exclusively on granulocytes, but not on lymphocytes or monocytes. In contrast, CD45RO was exclusively reduced on lymphocytes, by 82%, but not on other cell types. Receiver operating characteristic curve analyses demonstrated that CD45RA (on granulocytes) and CD45RO (on lymphocytes) allow a good differentiation of volunteers and patients with sepsis (AUC = 0.9;
    MeSH term(s) Humans ; Inflammation ; Leukocytes ; Lipopolysaccharides/pharmacology ; Lymphocytes ; Sepsis ; Leukocyte Common Antigens
    Chemical Substances Lipopolysaccharides ; Leukocyte Common Antigens (EC 3.1.3.48)
    Language English
    Publishing date 2023-07-17
    Publishing country Switzerland
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2661518-6
    ISSN 2073-4409 ; 2073-4409
    ISSN (online) 2073-4409
    ISSN 2073-4409
    DOI 10.3390/cells12141873
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  10. Article ; Online: Non-musicians also have a piano in the head: evidence for spatial-musical associations from line bisection tracking.

    Hartmann, Matthias

    Cognitive processing

    2017  Volume 18, Issue 1, Page(s) 75–80

    Abstract: The spatial representation of ordinal sequences (numbers, time, tones) seems to be a fundamental cognitive property. While an automatic association between horizontal space and pitch height (left-low pitch, right-high pitch) is constantly reported in ... ...

    Abstract The spatial representation of ordinal sequences (numbers, time, tones) seems to be a fundamental cognitive property. While an automatic association between horizontal space and pitch height (left-low pitch, right-high pitch) is constantly reported in musicians, the evidence for such an association in non-musicians is mixed. In this study, 20 non-musicians performed a line bisection task while listening to irrelevant high- and low-pitched tones and white noise (control condition). While pitch height had no influence on the final bisection point, participants' movement trajectories showed systematic biases: When approaching the line and touching the line for the first time (initial bisection point), the mouse cursor was directed more rightward for high-pitched tones compared to low-pitched tones and noise. These results show that non-musicians also have a subtle but nevertheless automatic association between pitch height and the horizontal space. This suggests that spatial-musical associations do not necessarily depend on constant sensorimotor experiences (as it is the case for musicians) but rather reflect the seemingly inescapable tendency to represent ordinal information on a horizontal line.
    MeSH term(s) Adult ; Humans ; Music ; Pitch Perception/physiology ; Psychomotor Performance/physiology ; Space Perception/physiology
    Language English
    Publishing date 2017-02
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2075054-7
    ISSN 1612-4790 ; 1612-4782
    ISSN (online) 1612-4790
    ISSN 1612-4782
    DOI 10.1007/s10339-016-0779-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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