University of Oregon
Healthy individuals from the University of Oregon and surrounding community will be recruited for participation in behavioral, fMRI and eye tracking experiments that investigate human memory. Recruitment will involve emails, flyers, and local advertisements. Individuals between the ages of 18-80 (or 18-35 for some studies) will be eligible. The broad objective of the research is to understand how humans form distinct memories for similar experiences. Experimental sessions will involve studying and trying to remember various images (e.g., images of natural scenes). The intervention will involve manipulating the similarity and/or learning protocol for the studied images. Outcome measures will include (a) behavioral measures of memory, and/or (b) fMRI measures of hemodynamic activity, and/or (c) eye tracking measures of gaze direction. Experimental sessions will last approximately 1-3 hours.
Objective: The goal of the research studies is to understand how memories are formed for similar experiences such that interference (confusion) between these memories is minimized. Of particular interest is the role of the hippocampus (a brain region important for memory). Participants: Healthy individuals from the University of Oregon and surrounding community will be recruited through fliers, emails, and advertisements. For some of the studies, individuals between 18-80 years of age will be recruited. For others, individuals between 18-35 will be recruited. Design: All studies will involve…
Inclusion Criteria: Participants in behavioral studies must be: * healthy and between the ages of 18-35 years old * native English speakers * right-handed. Participants in fMRI studies must be: * healthy and between the ages of 18-80 years old * native English speakers * right-handed. Exclusion Criteria: For behavioral studies: \- Potential participants will be informed that use of psychoactive drugs, mental health disorders, and chronic or temporary sleep deficits (an average of less than 6 hours of sleep over the past month or less than 4 hours of sleep the night prior to the experime…
Visual stimulus similarity will be varied in order to test for effects on memory. Learning protocol (the order and frequency with which stimuli are learned) will also be varied.
fMRI will be used to measure patterns of BOLD activity during learning.
Eye tracking will be used to measure patterns of eye movements when viewing images.
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