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Emotional Response in Psychiatric and Control Participants

University of California Irvine (UCI) logo

University of California Irvine (UCI)

Status

Completed

Conditions

Schizophrenia
Emotions

Treatments

Behavioral: social interaction
Behavioral: food consumption

Study type

Interventional

Funder types

Other

Identifiers

NCT03056781
2016-2945

Details and patient eligibility

About

The purpose of this research is to understand how the emotions of people with different mental health concerns (e.g., people with schizophrenia, people with major depressive disorder) differ from individuals without mental health concerns. A large body of literature suggests that people with mental illnesses have emotional abnormalities compared to healthy individuals, but a number of these abnormalities are not well understood. For example, often people with schizophrenia report on questionnaires that they experience fewer pleasant emotions when talking with other people, but some evidence suggests these individuals report a similar amount of pleasant emotion when they are actually engaged in a pleasant activity. Thus, it is unclear the extent to which reports of emotional abnormalities extend to a more real-world setting. In the tasks in the current proposal, participants will engage in a series of tasks designed to assess their emotional functioning. These tasks involve viewing emotional stimuli on the computer, engaging in social interactions, and consuming small amounts of food. In all tasks, participants will make ratings of their experiences of pleasure (and displeasure). We will then compare the experiences of patient groups to those of healthy individuals to test how emotional ratings might differ across these tasks.

Enrollment

46 patients

Sex

All

Ages

18 to 65 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • For control participants, you are eligible to participate in this study if you are between 18 and 65 years of age, you are fluent in English, and you have not been clinically diagnosed with a psychiatric disorder.
  • For psychiatric patients, you are eligible to participate in this study if you are between 18 and 65 years of age, you are fluent in English, and you have been clinically diagnosed with schizophrenia, schizoaffective disorder, or depression with no recent hospitalization or changes in your psychiatric medications.

Exclusion criteria

  • For control participants, you are not eligible to participate in the study if you have a history of stroke or a current history of substance or alcohol dependence. You are also not eligible to participate in this study if you have had a diagnosis of substance abuse in the past three months. You are not eligible to participate if you have a current or past history of a major medical illness, significant tremors, a history of a head injury or prolonged unconsciousness.
  • For psychiatric patients, you are not eligible to participate in the study if you have had major changes to your psychotropic medications within the last two months, have a history of stroke or a current history of substance or alcohol dependence. You are also not eligible to participate in this study if you have had a diagnosis of substance abuse in the past three months, a current or past history of a major medical illness, significant tremors, or a history of a head injury or prolonged unconsciousness.

Trial design

Primary purpose

Basic Science

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

46 participants in 2 patient groups

social interaction
Experimental group
Description:
Participants will engage in a social interaction with another person
Treatment:
Behavioral: social interaction
food consumption
Experimental group
Description:
Participants will be offered food stuffs to eat/drink
Treatment:
Behavioral: food consumption

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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