Abstract:
:Persistent avoidance may be influenced by prior negative reinforcement rate (i.e., how effective the response is at controlling threat). In clinical settings, the effectiveness of extinction-based methods for treating anxiety-related avoidance may be impacted by prior reinforcement rate. Here, we conducted a laboratory-based treatment study to investigate the persistence of avoidance following response-prevention extinction (RPE) when prior avoidance had been differentially effective at cancelling shock. Participants in three negative reinforcement rate groups (100%, 50%, and 0%) completed a validated avoidance conditioning paradigm involving Pavlovian fear extinction, RPE, and re-extinction phases. It was hypothesised that partially reinforced avoidance would lead to diminished resistance to fear extinction following response prevention, compared to continuously- or never-reinforced avoidance. Persistent avoidance was related to prior negative reinforcement rate, with higher rates more resistant to extinction. These findings illustrate the role of reinforcement rate in the persistence of avoidance and may aid understanding of treatment relapse.
journal_name
Behav Res Therjournal_title
Behaviour research and therapyauthors
Zuj DV,Xia W,Lloyd K,Vervliet B,Dymond Sdoi
10.1016/j.brat.2020.103711subject
Has Abstractpub_date
2020-08-12 00:00:00pages
103711eissn
0005-7967issn
1873-622Xpii
S0005-7967(20)30165-0journal_volume
133pub_type
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journal_title:Behaviour research and therapy
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pub_type: 杂志文章,评审
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更新日期:1996-03-01 00:00:00
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