Displaying publications 1 - 20 of 28 in total

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  1. Weerkamp-Bartholomeus P, Marazziti D, Chan E, Srivastava A, van Amelsvoort T
    Heliyon, 2020 Aug;6(8):e04660.
    PMID: 32802985 DOI: 10.1016/j.heliyon.2020.e04660
    Background: Generally, neuropsychiatric patients share different symptoms across nosological categories, such as, amongst other, psychological distress, mood alterations, anxiety, and self-regulation disturbances.ReAttach is a novel psychological intervention with its key elements being external affect and arousal regulation, stimulation of multiple sensory processing, conceptualization, affective mentalization, and associative memory processing. ReAttach has been hypothesized to be effective in reducing symptom severity in different psychiatric conditions. Given the limited information currently available, the present study aimed to investigate the effect of main ReAttach elements called "Wiring Affect with ReAttach" (W.A.R.A.) on negative affect (N.A.), and to compare it with "Distraction," another well-established affect-regulating strategy.

    Methods: We used a single-blind, randomized controlled crossover equivalence design to compare the efficacy on N.A. regulation of W.A.R.A. versus Distraction in 101 patients with different neuropsychiatric disorders.

    Results: The results showed a significant difference (p < 0.001) in response to W.A.R.A. vs. Distraction, with W.A.R.A. being significantly more effective in regulating N.A., with a large effect size (dRMpooled = 2.38) and a high probability (95%) of success.

    Limitations: The heterogeneity of the study population makes generalization and clear recommendations for specific patient groups difficult. The Numeric Rating Scale might have prevented detection of increased N.A. when the baseline scores were high. More in-depth research is needed to explore the W.A.R.A. technique and the extent of confounding variables such as the placebo effect.

    Conclusions: The findings suggest that W.A.R.A. may be an effective, accessible, and brief intervention reducing negative affect. Although premature, these first results are encouraging.

    Matched MeSH terms: Arousal
  2. Kuan G, Morris T, Kueh YC, Terry PC
    Front Psychol, 2018;9:14.
    PMID: 29459837 DOI: 10.3389/fpsyg.2018.00014
    Music that is carefully selected to match the requirements of activities and the characteristics of individuals has been shown to produce significant impacts on performance enhancement (Priest et al., 2004). There is also evidence that music can enhance imagery (Grocke and Wigram, 2007), although few studies have investigated the effects of music on imagery in the context of sport skills. In the present study, the effects of relaxing and arousing music during imagery on dart-throwing performance, physiological arousal indices, and competitive state anxiety, were investigated among 63 novice dart throwers. Participants had moderate-to-high imagery ability and were randomly assigned to unfamiliar relaxing music (URM), unfamiliar arousing music (UAM), or no music (NM) groups. Performance was assessed by 40 dart throws at a concentric circles dartboard before and after 12 imagery sessions over 4 weeks. Measures of galvanic skin response (GSR), peripheral temperature (PT), and heart rate (HR) were taken during imagery sessions 1 and 12, and the Competitive State Anxiety Inventory-2 Revised (CSAI-2R) was administered prior to the pre- and post-intervention performance task. Dart-throwing gain scores were significantly higher for URM than for UAM and NM, with no significant difference between UAM and NM (URM = 37.24 ± 5.66, UAM = 17.57 ± 5.30, and NM = 13.19 ± 6.14,F2,62= 5.03,p= 0.01, η2= 0.14). GSR, PT, and HR reflected lower arousal for URM than for UAM or NM. Significant decreases in somatic anxiety were evident for URM and UAM but not NM. Significant decreases in cognitive anxiety were evident for URM and NM but not UAM. Significant increases in self-confidence were evident for URM but not UAM or NM. Performance improved in all three conditions but URM was associated with the largest performance gain, the lowest physiological indices of arousal, and the most positive CSAI-2R profiles. Listening to relaxing music during imagery may have benefits for performance in other fine motor skills.
    Matched MeSH terms: Arousal
  3. Kuan G, Morris T, Terry P
    PLoS One, 2017;12(4):e0175022.
    PMID: 28414741 DOI: 10.1371/journal.pone.0175022
    Beneficial effects of music on several performance-related aspects of sport have been reported, but the processes involved are not well understood. The purpose of the present study was to investigate effects of relaxing and arousing classical music on physiological indicators and subjective perceptions of arousal during imagery of a sport task. First, appropriate music excerpts were selected. Then, 12 skilled shooters performed shooting imagery while listening to the three preselected music excerpts in randomized order. Participants' galvanic skin response, peripheral temperature, and electromyography were monitored during music played concurrently with imagery. Subjective music ratings and physiological measures showed, as hypothesized, that unfamiliar relaxing music was the most relaxing and unfamiliar arousing music was the most arousing. Researchers should examine the impact of unfamiliar relaxing and arousing music played during imagery on subsequent performance in diverse sports. Practitioners can apply unfamiliar relaxing and arousing music with imagery to manipulate arousal level.
    Matched MeSH terms: Arousal/physiology*
  4. Simons RC
    J. Nerv. Ment. Dis., 1980 Apr;168(4):195-206.
    PMID: 7365478
    Latah is a culture-bound syndrome from Malaysia and Indonesia. Persons exhibiting the Latah syndrome respond to minimal stimuli with exaggerated startles, often exclaimning normally inhibited sexually denotative words. Sometimes Latahs after being startled obey the commands or imitate the actions of persons about them. Most episodes of Latah are intentionally provoked for the amusement of onlookers. Similar sets of interactive behaviors have been reported from genetically and culturally unrelated populations (e.g., Bantu, Ainu, and French Canadians). Since competent anthropological investigators have shown Latah to be intimately tied to specific factors in the cultural systems of the Southeast Asian societies in which it is found, its occurrence elswhere has been considered paradoxical. New data, including films and videotapes of hyperstartling persons from Malaysia, the Philippines, Japan, and the United States, suggest a model capable of resolving the apparent paradox by showing how the various forms of latah are culture-specific exploitations of a neurophysiological potential shared by humans and other mammals. Latah provides an especially revealing example of the complex ways in which neurophysiological, experiential, and cultural variables interact to produce a strongly marked and phenomenon.
    Matched MeSH terms: Arousal
  5. Malik AS, Khairuddin RN, Amin HU, Smith ML, Kamel N, Abdullah JM, et al.
    Biomed Eng Online, 2015;14:21.
    PMID: 25886584 DOI: 10.1186/s12938-015-0006-8
    Consumer preference is rapidly changing from 2D to 3D movies due to the sensational effects of 3D scenes, like those in Avatar and The Hobbit. Two 3D viewing technologies are available: active shutter glasses and passive polarized glasses. However, there are consistent reports of discomfort while viewing in 3D mode where the discomfort may refer to dizziness, headaches, nausea or simply not being able to see in 3D continuously.
    Matched MeSH terms: Arousal/physiology
  6. Pratap-Chand R, Sinniah M, Salem FA
    Acta Neurol. Scand., 1988 Sep;78(3):185-9.
    PMID: 3227804
    Cognitive impairment has been reported to occur in minor head injury (concussion). The value of the P300 evoked potential as a measure of cerebral concussion was studied in 20 patients with minor head injury and compared with the data from 20 normal subjects. Significant abnormalities of the P300 latency and amplitude were noted in these patients in the post-concussion period. The abnormalities improved completely on repeat testing. The correlation of the P300 to other parameters of head injury is discussed. The P300 constitutes a simple laboratory test that is sensitive measure of cerebral dysfunction in concussive head injuries.
    Matched MeSH terms: Arousal/physiology*
  7. Saha, Srilekha, Saha, Soumendra
    Movement Health & Exercise, 2014;3(1):15-25.
    MyJurnal
    Psychobiological predictors of emotionality were evaluated in relations to complex reaction and movement performances have been considered as the significant aspect of research interest. Considerable research base confirms that the expert players employ more pertinent search strategies, eliminate irrelevant cues which enable them to effectively anticipate action requirements and they have superior ability to use cue-related information to reliably anticipate occurrence of relevant events. Present study was aimed at identification of intricate relationship between the ability of the high performing swimmers (National - level swimmers of Malaysia) in anticipatory cue-utilization and corresponding autonomic phasic skin conductance responses isolated from the tonic measures. Altogether two-hundred and twenty-five individuals having high athletic calibre, and holding top-positions in recently held (within the period March 2011 up to the June 2011) National and International (Mostly ASEAN level) meets volunteered as the participants in this study. Simultaneous evaluation of autonomic arousal modulation (habituation paradigm tonic and phasic measures of skin conductance) was done when the swimmers were engaged in cue-related anticipatory task, associated with complex reaction performance. For this purpose, participants were evaluated intermittently (twice within the calendar year August 2010 - June 2011) with the identical research paradigm. Perceived sense of competence as well as the subjective feelings of apprehension of loosing was explored, and attempts were made to identify the obscure subjective expression of cognitive-emotional make-up, in explaining differential performance outcomes evident in the participants. Findings of multiple linear and polynomial regression analyses however suggested direct, inverse and supportive relationships between decomposition of skin conductance tonic and phasic autonomic components related to cognitive-affective and affective motivational aspects of sports behaviour explaining pathways to both excellent and debilitative performance outcomes during practice sessions as well as in actual competitive situations.
    Matched MeSH terms: Arousal
  8. Yusoff N, Anuar NN, Reza MF
    Malays J Med Sci, 2018 May;25(3):103-110.
    PMID: 30899191 MyJurnal DOI: 10.21315/mjms2018.25.3.10
    Background: Sex is a psychobiological factor that is important in the process of emotion. This study determines the effect of sex on the electropsychological process of various intensities of emotional arousal.

    Methods: In the Event-related Potential (ERP) session, electroencephalographic (EEG) data was recorded for 90 participants, 60% of whom were females. The participants responded to 30 universal emotional pictures, randomly chosen from the International Affective Picture System (IAPS), which were classified as invoking high, moderate, and low intensity of emotional arousal.

    Results: From the analysis of variance of two-way mixed design, the interaction between sex and emotional intensity was observed in the occipital regions (O2), indexed by the amplitude of P300 and N200 components. Males exhibited higher amplitude of P300 and N200 components (in the occipital region) as responded to high and low emotional arousal stimuli than females.

    Conclusion: Sex is a fundamental factor that modulates psychological states in reaction to emotional stimuli.

    Matched MeSH terms: Arousal
  9. Karageorghis CI, Mouchlianitis E, Payre W, Kuan G, Howard LW, Reed N, et al.
    Appl Ergon, 2021 Oct;96:103436.
    PMID: 34087703 DOI: 10.1016/j.apergo.2021.103436
    We investigated the effect of participant-selected (PSel) and researcher-selected (RSel) music on urban driving behaviour in young men (N = 27; Mage = 20.6 years, SD = 1.9 years). A counterbalanced, within-subjects design was used with four simulated driving conditions: PSel fast-tempo music, PSel slow-tempo music, RSel music and an urban traffic-noise control. The between-subjects variable of personality (introverts vs. extroverts) was explored. The presence of PSel slow-tempo music and RSel music optimised affective valence and arousal for urban driving. NASA Task Load Index scores indicated that the urban traffic-noise control increased mental demand compared to PSel slow-tempo music. In the PSel slow-tempo condition, less use was made of the brake pedal. When compared to extroverts, introverts recorded lower mean speed and attracted lower risk ratings under PSel slow-tempo music. The utility of PSel slow-tempo and RSel music was demonstrated in terms of optimising affective state for simulated urban driving.
    Matched MeSH terms: Arousal
  10. Hatta Sidi, Marhani Midin, Sharifah Ezat Wan Puteh, Norni Abdullah
    ASEAN Journal of Psychiatry, 2007;8(2):97-105.
    MyJurnal
    Objective: To investigate the prevalence of genital arousal disorder and the potential risk
    factors that may impair genital arousal among women at a primary care setting in Malaysia.
    Methods: A validated questionnaire for sexual function was used to assess genital arousal
    function. A total of 230 married women aged 18–70 years old participated in this study. Their sociodemographic and marital profiles were compared between those who had genital arousal disorder and those who did not. The risk factors were examined. Results: The prevalence of genital arousal disorder in the primary care population was 50.4% (116/230). Women with genital arousal disorder were found to be significantly higher in groups of more than 45 years old (p55) (p=.001), those having 4 children or more (p=.028), those having less sexual intercourse (less than 1–2 times a week) (p=.001), and those at post-menopausal state (p=.002). There was no significant difference between these two groups in term of salary (p=.29), suffering from medical problems (p=.32), dysmenorrhea (p=.95), menarche (p=.5) and hormonal replacement therapy (p=.6). Conclusion: Women with infrequent sexual intercourse are less likely to be sexually aroused (OR=0.29, 95% CI: 0.11-0.74).
    Matched MeSH terms: Arousal
  11. Normah Che Din, Soo, Siew Bee, Subramaniam, Ponnusamy, Ng, Lai Oon
    ASEAN Journal of Psychiatry, 2010;11(2):158-170.
    MyJurnal
    Objective: The aim of the study is to examine the prevalence and factors influencing PTSD among a sample of help-seeking women experiencing domestic violence. Methods: This was a cross-sectional survey study of 40 women in two shelters in Malaysia from 2007 to 2008. Measures include the Detailed Assessment of Posttraumatic Stress; the Measure of Wife Abuse; the Posttraumatic Cognitions Inventory; the Coping Scale for Adults; and the Provision of Social Relations. Results: Results showed that 60% of subjects
    exhibited patterns of symptoms consistent with the diagnosis of PTSD. The most prominent posttraumatic symptoms reported were re-experience, avoidance, dissociative responses, and symptoms of increased arousal. Both negative appraisals about themselves and self blame for the abusive situations were positively associated with increased tendency to develop PTSD. The greater use of optimism coping style and the higher quality social
    support appeared to lead to a significantly reduced tendency of developing PTSD. Negative appraisals about themselves were found to be the strongest positive predictor of PTSD [R² = 0.32, F(1,38)=17.67, p
    Matched MeSH terms: Arousal
  12. Nik Jaafar NR, Midin M, Wan Puteh SE, Musa R
    ASEAN Journal of Psychiatry, 2009;10(1):43-53.
    MyJurnal
    Objective: To investigate the correlation between sexual desire and sexual arousal among Malaysian women in a primary care setting. Methods: The Malay Version of Female Sexual Function Index (MVFSI) was used to assess low sexual desire and lack of sexual arousal among the respondents. A total of 230 married women aged 18 – 70 years old participated in this study. Their sociodemographic, marital profiles and correlation between low sexual desire and lack of sexual arousal were examined. Results: More than 60% respondents with low sexual desire have co-exist low sexual arousal and 94.4% respondents with high sexual desire do have high sexual arousal ( χ²= 79.6, p
    Matched MeSH terms: Arousal
  13. Feroz FS, Leicht G, Steinmann S, Andreou C, Mulert C
    Brain Topogr, 2017 Jan;30(1):30-45.
    PMID: 27659288 DOI: 10.1007/s10548-016-0521-3
    Growing evidence from neuroimaging studies suggest that emotional and cognitive processes are interrelated. Anatomical key structures in this context are the dorsal and rostral-ventral anterior cingulate cortex (dACC and rvACC). However, up to now, the time course of activations within these regions during emotion-cognition interactions has not been disentangled. In the present study, we used event-related potentials (ERP) and standardized low-resolution electromagnetic tomography (sLORETA) region of interest (ROI) source localization analyses to explore the time course of neural activations within the dACC and rvACC using a modified emotional Stroop paradigm. ERP components related to Stroop conflict (N200, N450 and late negativity) were analyzed. The time course of brain activations in the dACC and rvACC was strikingly different with more pronounced initial responses in the rvACC followed by increased dACC activity mainly at the late negativity window. Moreover, emotional valence modulated the earlier N450 stage within the rvACC region with higher neural activations in the positive compared to the negative and neutral conditions. Emotional arousal modulated the late negativity stage; firstly in the significant arousal × congruence ERP effect and then the significant higher current density in the low arousal condition within the dACC. Using sLORETA source localization, substantial differences in the activation time courses in the dACC and rvACC could be found during the emotional Stroop task. We suggest that during late negativity, within the dACC, emotional arousal modulated the processing of response conflict, reflected in the correlation between the ex-Gaussian µ and the current density in the dACC.
    Matched MeSH terms: Arousal/physiology
  14. Feroz FS, Leicht G, Rauh J, Mulert C
    Brain Topogr, 2019 01;32(1):161-177.
    PMID: 30288663 DOI: 10.1007/s10548-018-0677-0
    This paper aims to investigate the temporal dynamics within the dorsal anterior cingulate cortex (dACC) and the rostral-ventral (rv) ACC during the interaction of emotional valence and arousal with cognitive control in patients with Schizophrenia (SZ). Although cognitive deficits in SZ are highly relevant and emotional disturbances are common, the temporal relationship of brain regions involved in the interaction of emotional and cognitive processing in SZ is yet to be determined. To address this issue, the reaction time (RT), event-related potential (ERP) and temporal dynamics of the dACC and rvACC activity were compared between SZ subjects and healthy controls (HC), using a modified emotional Stroop experiment (with factors namely congruence, arousal and valence). EEG was recorded with 64 channels and source localisation was performed using the sLORETA software package. We observed slower initial increase and lower peaks of time course activity within the dACC and rvACC in the SZ group. In this particular group, the dACC activity during late negativity was negatively correlated with a significantly higher RT in the high arousal conflict condition. In contrast to HC subjects, at the N450 window, there was no significant valence (ERP and rvACC ROI) modulation effect in the SZ subjects. Using high density EEG and source localisation, it was possible to distinguish various disturbances within the dACC and rvACC in patients with SZ, during emotion-cognition processing.
    Matched MeSH terms: Arousal/physiology
  15. Ismail AH, Bau R, Sidi H, Guan NC, Naing L, Nik Jaafar NR, et al.
    Compr Psychiatry, 2014 Jan;55 Suppl 1:S34-7.
    PMID: 23375262 DOI: 10.1016/j.comppsych.2012.12.028
    This study compared the components of sexual responses between Malaysian women with Type 2 diabetes mellitus and those without the disease.
    Matched MeSH terms: Arousal/physiology
  16. Navaratnam V, Jamaludin A, Raman N, Mohamed M, Mansor SM
    Drug Alcohol Depend, 1994 Feb;34(3):231-6.
    PMID: 8033761
    Thirty-eight, adult, male, detoxified, Malaysian opiate addicts participated in this double-blind clinical evaluation of naltrexone. Addicts from three ethnic groups: Chinese, Malays, and Indians received a weekly regimen of naltrexone (100 mg on Days 1 and 3, and 150 mg on Day 5). Subjects were randomly assigned to receive intravenous challenge with either 25 mg heroin or placebo 12, 24, 48, and 72 h after the third naltrexone dose. Physiological and subjective parameters were measured at each challenge interval. Results indicated that naltrexone was effective in blocking the physiological and psychological effects of heroin for at least 48 and 72 h, respectively, in detoxified Malaysian opiate addicts. The efficacy of naltrexone did not differ among the three ethnic groups evaluated in this study.
    Matched MeSH terms: Arousal/drug effects
  17. De Ridder D, Schlee W, Vanneste S, Londero A, Weisz N, Kleinjung T, et al.
    Prog Brain Res, 2021;260:1-25.
    PMID: 33637213 DOI: 10.1016/bs.pbr.2020.12.002
    As for hypertension, chronic pain, epilepsy and other disorders with particular symptoms, a commonly accepted and unambiguous definition provides a common ground for researchers and clinicians to study and treat the problem. The WHO's ICD11 definition only mentions tinnitus as a nonspecific symptom of a hearing disorder, but not as a clinical entity in its own right, and the American Psychiatric Association's DSM-V doesn't mention tinnitus at all. Here we propose that the tinnitus without and with associated suffering should be differentiated by distinct terms: "Tinnitus" for the former and "Tinnitus Disorder" for the latter. The proposed definition then becomes "Tinnitus is the conscious awareness of a tonal or composite noise for which there is no identifiable corresponding external acoustic source, which becomes Tinnitus Disorder "when associated with emotional distress, cognitive dysfunction, and/or autonomic arousal, leading to behavioural changes and functional disability.". In other words "Tinnitus" describes the auditory or sensory component, whereas "Tinnitus Disorder" reflects the auditory component and the associated suffering. Whereas acute tinnitus may be a symptom secondary to a trauma or disease, chronic tinnitus may be considered a primary disorder in its own right. If adopted, this will advance the recognition of tinnitus disorder as a primary health condition in its own right. The capacity to measure the incidence, prevalence, and impact will help in identification of human, financial, and educational needs required to address acute tinnitus as a symptom but chronic tinnitus as a disorder.
    Matched MeSH terms: Arousal
  18. Korner AF, Gabby T, Kraemer HC
    Early Hum Dev, 1980 Mar;4(1):35-9.
    PMID: 7389624
    Chisholm et al. [4], using samples of Navajo and Malaysian newborns, found a significant positive relation between maternal normotensive blood pressures during the second trimester of pregnancy and at delivery and infant irritability in response to the Brazelton Examination. Measuring spontaneous crying with an electronic activity monitor and using a white middle-class American population, this relation was replicated for mothers with normotensive blood pressures during the third trimester of pregnancy. The combined findings of the 3 studies seem to suggest that maternal blood pressure in the latter part of pregnancy, even when within normal limits, is a factor in how irritable normal newborn infants are.
    Matched MeSH terms: Arousal
  19. Schouteten JJ, Llobell F, Chheang SL, Jin D, Jaeger SR
    J Food Sci, 2023 Mar;88(S1):106-121.
    PMID: 36413025 DOI: 10.1111/1750-3841.16374
    In line with the increasing popularity of emoji, the need for methodological research into these pictorial representations of emotion remains. The present research contributes to this goal by continuing to establish the meaning of emoji and exploring these according to between-country and interpersonal differences. The emoji (n = 12) were selected to span the valence × arousal emotion space, and the PAD model (Pleasure-Arousal-Dominance) was used to establish emoji meaning for the three dimensions, operationalized as measurement on 6 × 3 semantic differentials. Participants in the main study came from three countries-Germany, Singapore, and Malaysia (n = 2465), and a supplementary study included the United Kingdom and New Zealand (n = 600) (subset of four emoji). The results confirmed that emoji meanings according to the PAD model were largely similar between countries (albeit not identical). There were multiple minor significant differences for individual emoji, and where these existed, they often related to the dimension of Arousal, prompting a need for further investigation. Interpersonal differences were examined for gender (men and women), age group (18-45 and 46-69 years old), and frequency of emoji use. Again, significant differences were smaller rather than larger and supported the notion that emoji are generally applicable for multicountry research. However, caution regarding the participants who use emoji infrequently may be warranted. PRACTICAL APPLICATION: The findings from this research will help academics and practitioners who are interested in using emoji for sensory and consumer research (or are already doing so) with more robust interpretations of their findings. For a set of 12 emoji that provide broad coverage of the valence × arousal emotional space, meanings are provided on the three dimensions of the PAD model. The data is collected in five countries and contributes to increased confidence that emoji meanings are by and large similar in these countries.
    Matched MeSH terms: Arousal
  20. Rafidah Bahari, Muhammad N Mohamad Alwi, Muhammad R Ahmad, Ismail Mohd Saiboon
    ASEAN Journal of Psychiatry, 2015;16(2):203-211.
    MyJurnal
    There are a number of validated questionnaires available for the screening of Post-Traumatic Stress Disorder (PTSD), and the PTSD Checklist for Civilians is one of them. However, none was translated into the Malay Language and validated for use in the Malaysian population. The aim of this study is to translate and validate the Malay PTSD Checklist for Civilians (MPCL-C). Methods: The PCL-C was translated into the Malay Language and back-translated. The reliability and validity of the MPCL-C were then determined by administering them to those who presented at the emergency department for motor vehicle accident at least one month before. Results: The MPCL-C has good face and content validity. In terms of reliability, it is also good, with Chronbach’s alpha values of 0.90, 0.77, 0.75 and 0.74 for the full scale, re-experiencing, avoidance and arousal domains respectively. Conclusions: The MPCL-C is a valid and reliable instrument to screen for PTSD in motor vehicle accident victims for the studied population.
    Matched MeSH terms: Arousal
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