PSYC 325 Lecture 3: Journal Article #3

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27 Nov 2020
Department
Course
Professor
Michelle Doucet
301322450
PSYC 325
April 2nd, 2020
Journal Article Presentation #3
Group Q
Article #3: Amygdala Activity at Encoding Correlated with Long-Tern, Free Recall of Emotional
Information
Cahill, L., Haier, R. J., Fallon, J., Alkire, M. T., Tang, C., Keator, D., … Mcgaugh, J. L. (1996).
Amygdala activity at encoding correlated with long-term, free recall of emotional
information. Proceedings of the National Academy of Sciences, 93(15), 80168021.
doi: 10.1073/pnas.93.15.8016
Purpose
Role of the amygdaloid complex (AC) in long-term memory of emotionally arousing
stimuli
PET scan was used to measure AC activity
PET scan should show AC activity in correlation with retention of emotional stimuli
Participants
8 males
Average age of 21.1
Right-handed
Free of medical/psychiatric illness, substance abuse, no history of head injury
Recruited though university campus advertisements
Materials & Methods
2 videos composed of 12 film clips
Emotionally arousing film (E)
o Animal mutilation or violent crime
Emotionally neutral film (N)
o Court proceeding, stunt man performance and a travelogue
Each film clip is 2 minutes or longer
o E = 138 seconds
o N= 145 seconds
The clips were obtained from commercially available videos
Before the experiment, independent judges viewed and rated the 2 films
o 1. How emotional they found the film to be
o 2. How well they felt they understood the films
o Rated on a scale on 0 to 10
o 0 = not emotional / not at all
o 10 = highly emotional / completely
The average rating for emotional reaction for the films are...
o N = 1.98
o E = 5.25
The average rating for understandability is
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