Thresholds and Tolerance of Physical Pain Among Young Adults Who Self‐Injure

McCoy, Katrina; Fremouw, William J.; McNeil, Daniel W.

doi:10.1155/2010/326507

Cited by 33 publications

(28 citation statements)

References 27 publications

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“…All of the studies PAIN AND SELF-HARM: A SYSTEMATIC REVIEW 15 that assessed pain threshold found that the NSSI group demonstrated a significantly higher pain threshold than healthy matched controls. McCoy et al (2010) found the NSSI group to have a higher pain threshold than controls on the first trial, but did not find a significant difference between groups on the two subsequent threshold trials or between the mean thresholds of the two groups; potentially suggesting that multiple trials result in habituation.…”

Section: Strengths and Limitations Of The Evidence For Altered Pain Tmentioning

confidence: 74%

“…As several studies have demonstrated altered pain threshold and tolerance in community samples (e.g. Gratz et al, 2011;McCoy et al, 2010;Hooley et al, 2010), the observed differences are unlikely to be the result of either of these explanations. Much more likely is the third explanation they present, that of habituation via endogenous opioid mechanisms of analgesia.…”

Section: Candidate Explanatory Mechanismsmentioning

confidence: 83%

“…Ludäscher et al, 2009;Schmahl et al, 2006; and also in non-clinical populations (Franklin et al, 2011;Gratz et al, 2011;Hooley et al, 2010;McCoy et al, 2010) Beck & Garrison, 1986) Pain ratings -P group and healthy controls. No significant difference in pain ratings between BPD-P and healthy controls.…”

Section: Discussionmentioning

confidence: 99%

“…Little information is reported by Magerl et al (2012) regarding recruitment of BPD patients, however all but two were inpatients at the time of participation. Four recent case-control studies used community samples (Franklin et al, 2010;Glenn et al, 2014;Hamza et al, 2014;McCoy et al, 2010).…”

Section: Sample Populationmentioning

confidence: 99%

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Pain and self-harm: A systematic review

Kirtley

O’Carroll

O’Connor

2016

Journal of Affective Disorders

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BackgroundA growing body of research has explored altered physical pain threshold and tolerance in non-suicidal self-injury (NSSI) and suicidal self-harm. The evidence, however, is inconsistent such that the nature of the relationship is unclear, and whether or not this effect is also present in suicidal self-harm is equivocal. MethodsA keyword search of three major psychological and medical databases (PsycINFO, Medline and Web of Knowledge) was conducted, yielding 1,873 records. Following duplicate removal and screening, 25 articles were quality assessed, and included in the final systematic review. ResultsThere is strong evidence for increased pain tolerance in NSSI, and some evidence for this in suicidal individuals, but notably, there were no prospective studies. The review found a lack of substantive focus on psychological correlates of altered pain tolerance in this population. Several candidate explanatory mechanisms were proposed within the reviewed studies. LimitationsThe current review was a narrative systematic review; methods used to assess pain were considered too heterogeneous to conduct a meta-analysis. ConclusionsThe evidence suggests that there is elevated pain tolerance among those who engage in NSSI. Future prospective research should determine if altered pain tolerance is a cause or a consequence of the behaviour. The identification of psychological correlates of increased pain tolerance is a neglected area of research. It could provide opportunities for treatment/intervention development, if mediating or moderating pathways can be identified. Too few studies have directly investigated candidate explanatory mechanisms to draw definitive conclusions.

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Section: Strengths and Limitations Of The Evidence For Altered Pain Tmentioning

confidence: 74%

Section: Candidate Explanatory Mechanismsmentioning

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Section: Sample Populationmentioning

confidence: 99%

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Pain and self-harm: A systematic review

Kirtley

O’Carroll

O’Connor

2016

Journal of Affective Disorders

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“…In addition, in some circumstances, the tolerance to pain of a person can change after a stressful experience (e.g., death of a loved one, self-injury). In a study by McCoy et al, 46 it was found that participants with previous experience of self-injury had a significantly higher pain tolerance but the same pain threshold compared to normal controls; it was hypothesized that selfinjury increases the desensitization to fear and pain.…”

Section: Pain Assessmentmentioning

confidence: 99%

Toward a functional near-infrared spectroscopy-based monitoring of pain assessment for nonverbal patients

Rojas

Huang

2017

J. Biomed. Opt

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Abstract. Pain diagnosis for nonverbal patients represents a challenge in clinical settings. Neuroimaging methods, such as functional magnetic resonance imaging and functional near-infrared spectroscopy (fNIRS), have shown promising results to assess neuronal function in response to nociception and pain. Recent studies suggest that neuroimaging in conjunction with machine learning models can be used to predict different cognitive tasks. The aim of this study is to expand previous studies by exploring the classification of fNIRS signals (oxyhaemoglobin) according to temperature level (cold and hot) and corresponding pain intensity (low and high) using machine learning models. Toward this aim, we used the quantitative sensory testing to determine pain threshold and pain tolerance to cold and heat in 18 healthy subjects (three females), mean age AE standard deviation (31.9 AE 5.5). The classification model is based on the bag-of-words approach, a histogram representation used in document classification based on the frequencies of extracted words and adapted for time series; two learning algorithms were used separately, K-nearest neighbor (K-NN) and support vector machines (SVM). A comparison between two sets of fNIRS channels was also made in the classification task, all 24 channels and 8 channels from the somatosensory region defined as our region of interest (RoI). The results showed that K-NN obtained slightly better results (92.08%) than SVM (91.25%) using the 24 channels; however, the performance slightly dropped using only channels from the RoI with K-NN (91.53%) and SVM (90.83%). These results indicate potential applications of fNIRS in the development of a physiologically based diagnosis of human pain that would benefit vulnerable patients who cannot self-report pain. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Is the relationship between child abuse and suicide attempts mediated by nonsuicidal self‐injury and pain tolerance?

Schönfelder

Rath

Forkmann

et al. 2020

Clin Psychology and Psychoth

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Although there is evidence for an association of child abuse with lifetime suicidal behaviour, the underlying mechanisms remain unclear. In recent research, we found this relationship to be indirect and mediated by capability for suicide (CS). Emotional and sexual abuse were directly associated with CS. Based on the Interpersonal Psychological Theory of Suicide, the result for emotional abuse was surprising and raised the question for a missing link in this association. Consequently, this study examines nonsuicidal self‐injury (NSSI) as an additional mediator (M1) between child abuse (X), pain tolerance (M2), and suicide attempts (Y). We included 308 psychiatric inpatients (M = 36.9 years, 53% female) with either an acute suicidal crisis (n = 146) or a recent suicide attempt (n = 157). For the assessment, we used the Childhood Trauma Screener (CTS), the German version of the self‐injurious thoughts and behaviours interview (SITBI‐G), the German Capability for Suicide Questionnaire (GCSQ), and a pressure algometer for measuring pain tolerance objectively. Serial mediator analyses were applied. All types of abuse showed relationships with NSSI, which itself was connected to suicidal behaviour in almost all models, whereas pain tolerance did not show the expected relations. The results suggest that NSSI is an important predictor for suicide attempts and should be considered in suicide risk assessment. Future research should address this topic in prospective studies with a more comprehensive assessment of child abuse. In summary, this study once again highlights the serious effects of child abuse and in particular the mediating role of NSSI.

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Thresholds and Tolerance of Physical Pain Among Young Adults Who Self‐Injure

Cited by 33 publications

References 27 publications

Pain and self-harm: A systematic review

Pain and self-harm: A systematic review

Toward a functional near-infrared spectroscopy-based monitoring of pain assessment for nonverbal patients

Is the relationship between child abuse and suicide attempts mediated by nonsuicidal self‐injury and pain tolerance?

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