Generalization of Respiratory Symptom Triggers

Janssens, Thomas; Martens, Femke; Storms, Nathalie; Bergh, Omer Van den

doi:10.1016/j.beth.2015.05.003

Cited by 8 publications

(13 citation statements)

References 30 publications

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“…Each category consists of 20 unique pictures, and stimulus categories can be organized into two hierarchical categories: “animals” (mammals; birds) and “plants”(flowers; molds), creating the potential for constructing acquisition trigger sets with CS’s that are conceptually more/less similar. The difference in similarity between category pairs was tested and confirmed in previous research (Janssens et al, 2015). Allocation of CS+/- categories during acquisition was counterbalanced across participants, according to Table 1 .…”

Section: Methodssupporting

confidence: 54%

“…Exemplars of one category (conditioned stimuli, CS+) predict onset of respiratory symptoms, whereas exemplars of the other category (CS-) are never followed by symptoms. Using this method, we observed generalization of trigger beliefs to novel category exemplars, as well as to exemplars of categories that were similar of the original trigger categories, providing a proof of concept that trigger beliefs are shaped by pre-existing conceptual knowledge (Janssens et al, 2015). Moreover, an important finding of this study was that generalization of symptom expectancies to novel CS+ exemplars was increased if participants had experienced CS+ and CS- categories that were more similar (e.g., mammals and birds), compared to categories that were more different (e.g., mammals and molds).…”

Section: Introductionmentioning

confidence: 79%

“…This is the same stimulus set that we have used in previous research (Janssens et al, 2015). Each category consists of 20 unique pictures, and stimulus categories can be organized into two hierarchical categories: “animals” (mammals; birds) and “plants”(flowers; molds), creating the potential for constructing acquisition trigger sets with CS’s that are conceptually more/less similar.…”

Section: Methodsmentioning

confidence: 99%

“…Subsequently, trigger acquisition trials started using a similar trial-unique acquisition procedure as in Janssens et al (2015). The experimenter left the room and participants received 20 breathing trials.…”

Section: Methodsmentioning

confidence: 99%

“…Previously, we have highlighted similarities between asthma trigger learning and other contingency learning tasks that occur in a motivational context, such as the identification of danger and safety that occurs within the context of fear learning (Janssens and Ritz, 2013; Janssens et al, 2015). Building upon these similarities, we have explored generalization of symptom-trigger contingencies as a potential mechanism of the observed inaccuracies in asthma trigger identification.…”

Section: Introductionmentioning

confidence: 99%

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Learning to Detect Triggers of Airway Symptoms: The Role of Illness Beliefs, Conceptual Categories and Actual Experience with Allergic Symptoms

et al. 2017

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Background: In asthma and allergic rhinitis, beliefs about what triggers allergic reactions often do not match objective allergy tests. This may be due to insensitivity for expectancy violations as a result of holding trigger beliefs based on conceptual relationships among triggers. In this laboratory experiment, we aimed to investigate how pre-existing beliefs and conceptual relationships among triggers interact with actual experience when learning differential symptom expectations.Methods: Healthy participants (N = 48) received information that allergic reactions were a result of specific sensitivities versus general allergic vulnerability. Next, they performed a trigger learning task using a differential conditioning paradigm: brief inhalation of CO2 enriched air was used to induce symptoms, while participants were led to believe that the symptoms came about as a result of inhaled allergens (conditioned stimuli, CS’s; CS+ followed by symptoms, CS- not followed by symptoms). CS+ and CS- stimuli either shared (e.g., birds-mammals) or did not share (e.g. birds-fungi) category membership. During Acquisition, participants reported symptom expectancy and symptom intensity for all triggers. During a Test 1 day later, participants rated symptom expectancies for old CS+/CS- triggers, for novel triggers within categories, and for exemplars of novel trigger categories. Data were analyzed using multilevel models.Findings: Only a subgroup of participants (n = 22) showed differences between CO2 and room air symptoms. In this group of responders, analysis of symptom expectancies during acquisition did not result in significant differential symptom CS+/CS- acquisition. A retention test 1 day later showed differential CS+/CS- symptom expectancies: When CS categories did not share category membership, specific sensitivity beliefs improved retention of CS+/CS- differentiation. However, when CS categories shared category membership, general vulnerability beliefs improved retention of CS+/CS- differentiation. Furthermore, participants showed some selectivity in generalization of symptom expectancies to novel categories, as symptom expectancies did not generalize to novel categories that were unrelated to CS+ or CS- categories. Generalization to novel categories was not affected by information about general vulnerability or specific sensitivities.Discussion: Pre-existing vulnerability beliefs and conceptual relationships between trigger categories influence differential symptom expectancies to allergic triggers.

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Section: Methodssupporting

confidence: 54%

Section: Introductionmentioning

confidence: 79%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Learning to Detect Triggers of Airway Symptoms: The Role of Illness Beliefs, Conceptual Categories and Actual Experience with Allergic Symptoms

et al. 2017

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Acquisition and generalization of cough trigger beliefs in allergic rhinitis

et al. 2019

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In allergic conditions, trigger identification is often inaccurate, and may be influenced by preexisting beliefs. In this study, we investigated the acquisition and generalization of symptom trigger beliefs in individuals with allergic rhinitis (n=24) and control participants (n=24). In a lab-based trigger acquisition task, unique exemplars of two trigger categories were either paired with saline inhalation (CS-category) or citric acid inhalation (CS+ category). The next day, we tested recognition and symptom expectancy for CS category exemplars and exemplars of novel trigger categories. Participants acquired differential symptom expectancies for CS+ compared to CS-exemplars, with faster acquisition in participants with rhinitis. Differential symptom expectancies persisted the next day, and generalized to novel trigger categories, with stronger generalization in rhinitis vs. control participants. These patterns of acquisition and generalization suggest that overgeneralization of trigger beliefs may complicate trigger identification in participants with allergic conditions.

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Generalization of Fear and Anxiety: Introduction to the Special Issue

Hermans¹,

Meuret²

2015

Behavior Therapy

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Generalization of Respiratory Symptom Triggers

Cited by 8 publications

References 30 publications

Learning to Detect Triggers of Airway Symptoms: The Role of Illness Beliefs, Conceptual Categories and Actual Experience with Allergic Symptoms

Learning to Detect Triggers of Airway Symptoms: The Role of Illness Beliefs, Conceptual Categories and Actual Experience with Allergic Symptoms

Acquisition and generalization of cough trigger beliefs in allergic rhinitis

Generalization of Fear and Anxiety: Introduction to the Special Issue

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