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Tonic immobility in childhood sexual abuse survivors and its relationship to posttraumatic stress symptomatology.
J Interpers Violence. 2010 Feb; 25(2):358-73.JI

Abstract

Past research has shown that 37% to 52% of sexual assault survivors report experiencing a set of peritraumatic responses, which include gross motor inhibition, analgesia, and fixed or unfocused staring. This response set closely resembles a set of unconditioned responses, collectively known as Tonic Immobility (TI). This study examined TI among childhood sexual abuse (CSA) survivors and its relation to PTSD symptomatology. Participants were 131 female college undergraduates who completed questionnaires assessing sexual abuse history, TI, and PTSD symptom severity. Results showed that TI partially mediated the relation between peritraumatic fear and overall PTSD symptom severity and completely mediated the relation between fear and the PTSD reexperiencing symptoms. Although peritraumatic fear is associated with TI, the mediation findings provide evidence for the notion that these responses are separate from one another. These results suggest that TI during CSA may play an important role in the subsequent PTSD symptomatology in adulthood.

Authors+Show Affiliations

University of California, Los Angeles, USA.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19531633

Citation

Humphreys, Kathryn L., et al. "Tonic Immobility in Childhood Sexual Abuse Survivors and Its Relationship to Posttraumatic Stress Symptomatology." Journal of Interpersonal Violence, vol. 25, no. 2, 2010, pp. 358-73.
Humphreys KL, Sauder CL, Martin EK, et al. Tonic immobility in childhood sexual abuse survivors and its relationship to posttraumatic stress symptomatology. J Interpers Violence. 2010;25(2):358-73.
Humphreys, K. L., Sauder, C. L., Martin, E. K., & Marx, B. P. (2010). Tonic immobility in childhood sexual abuse survivors and its relationship to posttraumatic stress symptomatology. Journal of Interpersonal Violence, 25(2), 358-73. https://doi.org/10.1177/0886260509334412
Humphreys KL, et al. Tonic Immobility in Childhood Sexual Abuse Survivors and Its Relationship to Posttraumatic Stress Symptomatology. J Interpers Violence. 2010;25(2):358-73. PubMed PMID: 19531633.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Tonic immobility in childhood sexual abuse survivors and its relationship to posttraumatic stress symptomatology. AU - Humphreys,Kathryn L, AU - Sauder,Colin L, AU - Martin,Elaine K, AU - Marx,Brian P, Y1 - 2009/06/16/ PY - 2009/6/18/entrez PY - 2009/6/18/pubmed PY - 2010/3/30/medline SP - 358 EP - 73 JF - Journal of interpersonal violence JO - J Interpers Violence VL - 25 IS - 2 N2 - Past research has shown that 37% to 52% of sexual assault survivors report experiencing a set of peritraumatic responses, which include gross motor inhibition, analgesia, and fixed or unfocused staring. This response set closely resembles a set of unconditioned responses, collectively known as Tonic Immobility (TI). This study examined TI among childhood sexual abuse (CSA) survivors and its relation to PTSD symptomatology. Participants were 131 female college undergraduates who completed questionnaires assessing sexual abuse history, TI, and PTSD symptom severity. Results showed that TI partially mediated the relation between peritraumatic fear and overall PTSD symptom severity and completely mediated the relation between fear and the PTSD reexperiencing symptoms. Although peritraumatic fear is associated with TI, the mediation findings provide evidence for the notion that these responses are separate from one another. These results suggest that TI during CSA may play an important role in the subsequent PTSD symptomatology in adulthood. SN - 1552-6518 UR - https://www.unboundmedicine.com/medline/citation/19531633/Tonic_immobility_in_childhood_sexual_abuse_survivors_and_its_relationship_to_posttraumatic_stress_symptomatology_ L2 - https://journals.sagepub.com/doi/10.1177/0886260509334412?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -