In and Around Catz

Paid Psychological Studies

1. How Precise is Your Reality?

If you are interested in the study described below, please do not hesitate to contact the researcher, Simon Kwon ( All studies take place at the Adaptive Brain Lab (Downing Site, Central Cambridge). Transcranial Magnetic Stimulation (TMS) is a commonly used non-invasive brain stimulation techniques that temporarily affects brain activity.

Duration: Two 1.5-hour sessions
Compensation: £30
Task: Simple memory task and a questionnaire

Eligibility criteria

  • You must have participated in an MRI/fMRI study before
  • 18-35 years of age
  • Right handed
  • Native or native-like English proficiency
  • Normal or corrected-to-normal vision and hearing
  • No history of psychological or neurological conditions

2. Do you ever lose control of your eating or binge eat?

Researchers in the Department of Psychiatry are inviting women with eating disorders (bulimia nervosa, anorexia nervosa with bingeing/purging) to participate in a brain imaging study on mood and eating behaviour.

The study involves two visits to Addenbrooke’s Hospital: one screening visit, lasting about 4 hours, and one overnight visit, lasting about 36 hours. At the screening, we will collect a blood sample, measure your body composition and ask you some questions about your health history. We will then ask you to collect some saliva samples at home. For the overnight visit, we will ask you to complete some questionnaires, computer tasks, two MRI scans and more blood sampling. Sessions can be scheduled outside of term time.

You will be compensated up to £250 for taking part.

Eligibility criteria

  • Female
  • Right-handed
  • Normal or corrected-to-normal vision
  • 18-40 years old
  • Symptoms of bulimia nervosa or anorexia nervosa with bingeing/purging
  • Body mass index (BMI) below 30 kg/m2
  • No history of brain injury/neurosurgery

If you think you might like to participate, please contact Maggie Westwater for more information at or 01223 465249.