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      Disturbed Experience of Time in Depression—Evidence from Content Analysis

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          Abstract

          Disturbances in the experience of time have been a commonly reported feature of depressive disorders since the beginning of modern psychiatry and psychological research. However, qualitative research approaches to investigate the phenomenon are rarely used. We employed content analysis to investigate disturbances of time experience in Major Depressive Disorder. Our analysis from 25 participants showed that individuals with Major Depressive Disorder subjectively seem to have lost the ability to influence or change the present, resulting in an impersonal and blocked future. The present is rendered meaningless, the past unchangeably negative, and the passage of time turned into a dragging, inexorable, and viscous continuance. The overall,—possibly intersubjective—concept of time experience, remains largely intact, causing or adding to depressive mood and suffering. We elaborate on how these findings reflect previous theories on the experience of time in depression. This study might encourage future inquiries into both the phenomenal and neuroscientific foundation of time experience under psychopathological conditions.

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          Most cited references53

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          Sample Size and Saturation in PhD Studies Using Qualitative Interviews

          Mark Mason (2010)
          A number of issues can affect sample size in qualitative research; however, the guiding principle should be the concept of saturation. This has been explored in detail by a number of authors but is still hotly debated, and some say little understood. A sample of PhD studies using qualitative approaches, and qualitative interviews as the method of data collection was taken from theses.com and contents analysed for their sample sizes. Five hundred and sixty studies were identified that fitted the inclusion criteria. Results showed that the mean sample size was 31; however, the distribution was non-random, with a statistically significant proportion of studies, presenting sample sizes that were multiples of ten. These results are discussed in relation to saturation. They suggest a pre-meditated approach that is not wholly congruent with the principles of qualitative research. URN: urn:nbn:de:0114-fqs100387 Forum Qualitative Sozialforschung / Forum: Qualitative Social Research, Vol 11, No 3 (2010): Methods for Qualitative Management Research in the Context of Social Systems Thinking
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            Decision making, impulsivity and time perception.

            Time is an important dimension when individuals make decisions. Specifically, the time until a beneficial outcome can be received is viewed as a cost and is weighed against the benefits of the outcome. We propose that impulsive individuals experience time differently, that is with a higher cost. Impulsive subjects, therefore, overestimate the duration of time intervals and, as a consequence, discount the value of delayed rewards more strongly than do self-controlled individuals. The literature on time perception and impulsivity, however, is not clear cut and needs a better theoretical foundation. Here, we develop the theoretical background on concepts of time perception, which could lead to an empirically based notion of the association between an altered sense of time and impulsivity.
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              Properties of the internal clock: first- and second-order principles of subjective time.

              Humans share with other animals an ability to measure the passage of physical time and subjectively experience a sense of time passing. Subjective time has hallmark qualities, akin to other senses, which can be accounted for by formal, psychological, and neurobiological models of the internal clock. These include first-order principles, such as changes in clock speed and how temporal memories are stored, and second-order principles, including timescale invariance, multisensory integration, rhythmical structure, and attentional time-sharing. Within these principles there are both typical individual differences--influences of emotionality, thought speed, and psychoactive drugs--and atypical differences in individuals affected with certain clinical disorders (e.g., autism, Parkinson's disease, and schizophrenia). This review summarizes recent behavioral and neurobiological findings and provides a theoretical framework for considering how changes in the properties of the internal clock impact time perception and other psychological domains.
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                Author and article information

                Contributors
                Journal
                Front Hum Neurosci
                Front Hum Neurosci
                Front. Hum. Neurosci.
                Frontiers in Human Neuroscience
                Frontiers Media S.A.
                1662-5161
                20 February 2018
                2018
                : 12
                : 66
                Affiliations
                [1] 1Department of Psychiatry, University of Cologne , Cologne, Germany
                [2] 2Department of Psychiatry, Society for Philosophy and Sciences of the Psyche, Charité - Universitätsmedizin Berlin, Humboldt - Universität zu Berlin , Berlin, Germany
                [3] 3Institute for Neuroscience and Medicine, Cognitive Neuroscience (INM-3), Research Centre Juelich , Juelich, Germany
                Author notes

                Edited by: Giovanna Mioni, Università degli Studi di Padova, Italy

                Reviewed by: Gianluca Serafini, Department of Neuroscience, San Martino Hospital, University of Genoa, Italy; Domenico De Berardis, Azienda Usl Teramo, Italy

                *Correspondence: David H. V. Vogel david.vogel@ 123456uk-koeln.de
                Article
                10.3389/fnhum.2018.00066
                5826190
                29515385
                f05578ed-2854-4ad0-841f-43ba14bb32b5
                Copyright © 2018 Vogel, Krämer, Schoofs, Kupke and Vogeley.

                This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

                History
                : 27 November 2017
                : 05 February 2018
                Page count
                Figures: 2, Tables: 4, Equations: 0, References: 74, Pages: 10, Words: 7892
                Categories
                Neuroscience
                Original Research

                Neurosciences
                depression,time experience,temporality,phenomenological psychopathology,content analysis

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