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Understanding the mechanisms of pain modulation through expectations conscious...

Understanding the mechanisms of pain modulation through expectations conscious and unconscious in placebo analgesia induced in the context of fear conditioning MEG and EEG study Chronic pain patients cannot be efficiently treated with pharmacological methods and hence investigating alternatives such as psychological-based treatments is essential. One of the well-recognised method of analgesia is placebo w... ver más

31/08/2022

UCM

173K€

Presupuesto del proyecto: 173K€

Líder del proyecto

Universidad Complutense de Madrid No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 3282

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2022-08-31

MSCA-IF-2019: Individual Fellowships

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No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

UCM

172.93K€ | Lider

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Duración del proyecto: 29 meses Fecha Inicio: 2020-03-26
Fecha Fin: 2022-08-31

Líder del proyecto

Universidad Complutense de Madrid No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 3282

Presupuesto del proyecto 173K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Chronic pain patients cannot be efficiently treated with pharmacological methods and hence investigating alternatives such as psychological-based treatments is essential. One of the well-recognised method of analgesia is placebo which is based on learning processes – classical conditioning (CC). Through CC, expectations about pain relief are formed and those are recognised to mediate the placebo effect. Moreover, the effects of CC play a prominent role in the development of chronic pain-related fear and disability, so investigating the basis of fear conditioning may help developing better pain management strategies. Expectations about pain relief are shown to reduce the activation of pain-related brain regions and cues associated with pain decrease are processed in higher-order areas of the brain. However, the latest studies are inconclusive in determining to what extent expectations are elicited consciously or unconsciously and it is suggested that it depends the way the effect is generated - simple conditioning or conditioning with verbally induced expectations. In order to bring new light on this subject, the neural basis of the process and how the brain activity changes in order to recognise relevant and irrelevant information during conditioning still needs further investigation. In order to understand the relation between CC and expectancy in placebo analgesia, this project will implement both types of CC in the context of basic fear conditioning procedure. The brain activity will be measured using MEG and EEG technique and investigated using multiple methods of signal analysis which is a novelty in placebo research. The aim of the project is investigating how sensory cortices are modified to better detect relevant information using MEG and studying anticipatory brain activity using EEG. It may provide an answer to what extent conscious and unconscious processes are involved in pain modulation and what regions of are involved in this process.

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