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  1. Article ; Online: A comparison of giant cell arteritis referrals and outcomes during the COVID-19 pandemic: experience from a district general hospital in the UK.

    Ramli, Adlan Wafi / Argyropoulos, Susannah / Wig, Surabhi

    Clinical medicine (London, England)

    2022  Volume 22, Issue Suppl 4, Page(s) 69–70

    MeSH term(s) COVID-19 ; Giant Cell Arteritis/epidemiology ; Hospitals, General ; Humans ; Pandemics ; Referral and Consultation ; United Kingdom/epidemiology
    Language English
    Publishing date 2022-10-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 2048646-7
    ISSN 1473-4893 ; 1470-2118
    ISSN (online) 1473-4893
    ISSN 1470-2118
    DOI 10.7861/clinmed.22-4-s69
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Book: Effects of color reconnection on tt̄ final states at the LHC

    Argyropoulos, S / Sjöstrand, Torbjörn

    (DESY ; 14,134)

    2014  

    Author's details S. Argyropoulos; T. Sjöstrand
    Series title DESY ; 14,134
    Language English
    Size 21 S, graph. Darst, 30 cm
    Publisher DESY
    Publishing place Hamburg
    Document type Book
    Note Literaturangaben
    Database Former special subject collection: coastal and deep sea fishing

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  3. Article ; Online: Sleep in schizophrenia: time for closer attention.

    Wilson, Sue / Argyropoulos, Spilios

    The British journal of psychiatry : the journal of mental science

    2012  Volume 200, Issue 4, Page(s) 273–274

    Abstract: Recent sleep research has highlighted two specific anomalies in schizophrenia that have a proven impact on cognition. One is an abnormality of circadian rhythm, reported in this journal in two separate studies over the past year, and the other is the ... ...

    Abstract Recent sleep research has highlighted two specific anomalies in schizophrenia that have a proven impact on cognition. One is an abnormality of circadian rhythm, reported in this journal in two separate studies over the past year, and the other is the finding in electroencephalograms of reduced sleep spindles.
    MeSH term(s) Female ; Humans ; Male ; Schizophrenia/physiopathology ; Sleep Disorders, Circadian Rhythm/physiopathology
    Language English
    Publishing date 2012-04
    Publishing country England
    Document type Comment ; Editorial
    ZDB-ID 218103-4
    ISSN 1472-1465 ; 0007-1250
    ISSN (online) 1472-1465
    ISSN 0007-1250
    DOI 10.1192/bjp.bp.111.104091
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Don't panic. A guide to tryptophan depletion with disorder-specific anxiety provocation.

    Hood, S D / Bell, C J / Argyropoulos, S V / Nutt, D J

    Journal of psychopharmacology (Oxford, England)

    2016  Volume 30, Issue 11, Page(s) 1137–1140

    Abstract: The 2002 paper "Does 5-HT restrain panic? A tryptophan depletion study in panic disorder patients recovered on paroxetine" by Bell and colleagues - reprinted in this issue of the Journal - reports on a study undertaken in the halcyon days of David Nutt's ...

    Abstract The 2002 paper "Does 5-HT restrain panic? A tryptophan depletion study in panic disorder patients recovered on paroxetine" by Bell and colleagues - reprinted in this issue of the Journal - reports on a study undertaken in the halcyon days of David Nutt's Psychopharmacology Unit at the University of Bristol, England. In this invited commentary authors of the original work discuss the impact of this paper on the field of acute tryptophan depletion research (especially in the field of clinical anxiety disorders) and the development of disorder-specific anxiogenic provocations over the past decade.
    Language English
    Publishing date 2016-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 639313-5
    ISSN 1461-7285 ; 0269-8811
    ISSN (online) 1461-7285
    ISSN 0269-8811
    DOI 10.1177/0269881116655321
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Book ; Online: Effects of color reconnection on $t\bar{t}$ final states at the LHC

    Argyropoulos, Spyros / Sjöstrand, Torbjörn

    2014  

    Abstract: The modeling of color reconnection has become one of the dominant sources of systematic uncertainty in the top mass determination at hadron colliders. The uncertainty on the top mass due to color reconnection is conventionally estimated by taking the ... ...

    Abstract The modeling of color reconnection has become one of the dominant sources of systematic uncertainty in the top mass determination at hadron colliders. The uncertainty on the top mass due to color reconnection is conventionally estimated by taking the difference in the predictions of a model with and a model without color reconnection. We show that this procedure underestimates the uncertainty when applied to the existing models in {\sc Pythia}~8. We introduce two new classes of color reconnection models, each containing several variants, which encompass a variety of scenarios that could be realized in nature and we study how they affect the reconstruction of the top mass. After tuning the new models to existing LHC data, the remaining spread of predictions is used to derive a more realistic uncertainty for the top mass, which is found to be around 500 MeV. We also propose how future LHC measurements with $t\bar{t}$ events can be used to further constrain these models and reduce the associated modeling uncertainty.

    Comment: 21 pages, 9 figures
    Keywords High Energy Physics - Phenomenology
    Subject code 660
    Publishing date 2014-07-24
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Book ; Conference proceedings: Computer applications in metal processing

    Argyropoulos, S. A

    [proceedings of the International Symposium held in conjunction with the] MetSoc 40th Annual Conference of Metallurgists of CIM ; August 26 - 29, 2001, Toronto, Ontario, Canada

    2001  

    Institution Conference of Metallurgists of CIM
    Metallurgical Society / Computer Applications Section
    Symposium on Computer Applications in Metals Processing
    Event/congress MetSoc Annual Conference of Metallurgists of CIM (40, 2001.08.26-29, Toronto) ; Symposium on Computer Applications in Metal Processing (2001.08.26-29, Toronto)
    Author's details [Symposium on Computer Applications in Metal Processing]. Symposium organized by the Computer Applications Committee of the Metallurgical Society of The Canadian Institute of Mining, Metallurgy and Petroleum. Ed. S. A. Argyropoulos
    Keywords Computerunterstütztes Verfahren ; Metallurgie
    Language English
    Size VIII, 316 S, Ill., graph. Darst
    Publisher Canadian Inst. of Mining, Metallurgy and Petroleum
    Publishing place Montreal
    Document type Book ; Conference proceedings
    Note Literaturangaben
    ISBN 1894475186 ; 9781894475181
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  7. Article ; Online: Threat and anxiety affect visual contrast perception.

    Laretzaki, G / Plainis, S / Argyropoulos, S / Pallikaris, I G / Bitsios, P

    Journal of psychopharmacology (Oxford, England)

    2010  Volume 24, Issue 5, Page(s) 667–675

    Abstract: Threat cues activate the visual cortex and are detected faster than neutral cues as evidenced by functional brain imaging during viewing of visual threat and neutral stimuli. The functional visual processes underlying these phenomena have not been ... ...

    Abstract Threat cues activate the visual cortex and are detected faster than neutral cues as evidenced by functional brain imaging during viewing of visual threat and neutral stimuli. The functional visual processes underlying these phenomena have not been determined. Pattern visual evoked potentials were elicited in a baseline and a verbal threat condition with two stimulus contrasts in subjects with high and low trait anxiety. Threat reduced the latency of the early P100 wave in the low but not the high anxious group. The reduction was greater with increasing stimulus contrasts. The dependence of the P100 latency on trait anxiety is reminiscent of the Yerkes-Dodson inverted U-shape curve, which relates anxiety to behavioural responses. These results show that threat affects perceptual processes and suggest that data based on the effects of threat in visual search studies should be reappraised to include acceleration of contrast perception.
    MeSH term(s) Adult ; Anxiety/physiopathology ; Contrast Sensitivity/physiology ; Electroshock/psychology ; Evoked Potentials, Visual/physiology ; Fear/physiology ; Female ; Form Perception/physiology ; Humans ; Male ; Neuropsychological Tests ; Reaction Time/physiology ; Severity of Illness Index ; Young Adult
    Language English
    Publishing date 2010-05
    Publishing country United States
    Document type Comparative Study ; Controlled Clinical Trial ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 639313-5
    ISSN 1461-7285 ; 0269-8811
    ISSN (online) 1461-7285
    ISSN 0269-8811
    DOI 10.1177/0269881108098823
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Antidepressants and sleep: a qualitative review of the literature.

    Wilson, Sue / Argyropoulos, Spilios

    Drugs

    2005  Volume 65, Issue 7, Page(s) 927–947

    Abstract: Most antidepressants change sleep; in particular, they alter the physiological patterns of sleep stages recorded overnight with EEG and other physiological measures. These effects are greatest and most consistent on rapid eye movement (REM) sleep, and ... ...

    Abstract Most antidepressants change sleep; in particular, they alter the physiological patterns of sleep stages recorded overnight with EEG and other physiological measures. These effects are greatest and most consistent on rapid eye movement (REM) sleep, and tend to be in the opposite direction to the sleep abnormalities found in major depression, but are usually of greater degree. Reductions in the amount of REM sleep and increases in REM sleep onset latency are seen after taking antidepressants, both in healthy volunteers and in depressed patients. Antidepressants that increase serotonin function by blocking reuptake or by inhibiting metabolism have the greatest effect on REM sleep. The decrease in amount of REM sleep appears to be greatest early in treatment, and gradually diminishes during long-term treatment, except after monoamine oxidase inhibitors when REM sleep is often absent for many months. Sleep initiation and maintenance are also affected by antidepressants, but the effects are much less consistent between drugs. Some antidepressants such as clomipramine and the selective serotonin receptor inhibitors (SSRIs), particularly fluoxetine, are sleep-disturbing early in treatment and some others such as amitriptyline and the newer serotonin 5-HT2-receptor antagonists are sleep promoting. However, these effects are fairly short-lived and there are very few significant differences between drugs after a few weeks of treatment. In general, the objectively measured sleep of depressed patients improves during 3-4 weeks of effective antidepressant treatment with most agents, as does their subjective impression of their sleep. Sleep improvement earlier in treatment may be an important clinical goal in some patients, perhaps when insomnia is particularly distressing, or to ensure compliance. In these patients, the choice of a safely used and effective antidepressant which improves sleep in short term is indicated. Patients with other sleep disorders such as restless legs syndrome and REM sleep behaviour disorder should be identified before choosing a treatment, as some antidepressants worsen these conditions. Conversely, there is evidence that some antidepressants may be useful in the treatment of sleep disorders such as night terrors.
    MeSH term(s) Antidepressive Agents/adverse effects ; Antidepressive Agents/pharmacology ; Antidepressive Agents/therapeutic use ; Depression/complications ; Depression/drug therapy ; Depression/psychology ; Humans ; Sleep/drug effects ; Sleep/physiology ; Sleep Initiation and Maintenance Disorders/drug therapy ; Sleep Initiation and Maintenance Disorders/etiology ; Sleep Stages
    Chemical Substances Antidepressive Agents
    Language English
    Publishing date 2005-04-25
    Publishing country New Zealand
    Document type Journal Article ; Review
    ZDB-ID 120316-2
    ISSN 1179-1950 ; 0012-6667
    ISSN (online) 1179-1950
    ISSN 0012-6667
    DOI 10.2165/00003495-200565070-00003
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  9. Article: Amphetamine misuse and social phobia.

    Williams, K / Argyropoulos, S / Nutt, D J

    The American journal of psychiatry

    2000  Volume 157, Issue 5, Page(s) 834–835

    MeSH term(s) Adult ; Amphetamine/pharmacology ; Amphetamine-Related Disorders/complications ; Corpus Striatum/chemistry ; Corpus Striatum/drug effects ; Dopamine/deficiency ; Dopamine/physiology ; Female ; Humans ; Phobic Disorders/etiology ; Phobic Disorders/physiopathology
    Chemical Substances Amphetamine (CK833KGX7E) ; Dopamine (VTD58H1Z2X)
    Language English
    Publishing date 2000-04-01
    Publishing country United States
    Document type Case Reports ; Letter
    ZDB-ID 280045-7
    ISSN 1535-7228 ; 0002-953X
    ISSN (online) 1535-7228
    ISSN 0002-953X
    DOI 10.1176/appi.ajp.157.5.834-a
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: A case of reversal of treatment-resistant depression after almost 30 years of symptoms: Case Reports.

    Argyropoulos, S / Wheeler, A / Nutt, D

    International journal of psychiatry in clinical practice

    1999  Volume 3, Issue 4, Page(s) 289–291

    Abstract: The introduction of antidepressants constituted a breakthrough in the treatment of depression. Despite their success, a significant proportion of patients respond partially or not at all, with detrimental effects for their life. The identification of ... ...

    Abstract The introduction of antidepressants constituted a breakthrough in the treatment of depression. Despite their success, a significant proportion of patients respond partially or not at all, with detrimental effects for their life. The identification of individual symptom patterns and the employment of new, more specific, drugs targeting the symptoms in question may lead to increased response rates, even in treatment resistant cases. We report a case of long standing depression which responded to reboxetine, a novel noradrenaline re-uptake inhibitor. (Int J Psych Clin Pract 1999; 3: 289-291).
    Language English
    Publishing date 1999
    Publishing country England
    Document type Journal Article
    ZDB-ID 1465531-7
    ISSN 1471-1788 ; 1365-1501
    ISSN (online) 1471-1788
    ISSN 1365-1501
    DOI 10.3109/13651509909068398
    Database MEDical Literature Analysis and Retrieval System OnLINE

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