Neurobiology of Emotional
Memory
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Understanding Emotional Memory: Neurobiology of Declarative & Nondeclarative Systems, Slides of Neurobiology
The neurobiology of emotional memory, focusing on declarative and nondeclarative memory systems. Topics include long-term memory, procedural learning, classical conditioning, the role of the medial temporal lobe (mtl), and amnesia. Key concepts include encoding, consolidation, retrieval, working memory, and the differences between human and nonhuman primate models of amnesia.
Typology: Slides
2012/2013
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Neurobiology of Emotional
Memory
Long-term memory
Nondeclarative
Procedural (^) Priming/ Perceptual
Classical Conditioning Nonassociative Learning
Striatum Cerebellum Motor Cortex Neocortex
Emotional Responses
Skeletal Muscles Reflex Pathways
Declarative (relational)
Facts (^) Events
Medial Temporal Lobe Diencephalon
&
Amygdala Cerebellum
Organization of Memory
emotion
emotion
Terms to Know
- Encoding : learning new information
- Consolidation : processes through which memory traces of newly formed information perseverate
- Retrieval : recalling or recognizing previously learned information
- Working Memory : online processing of information (short-term memory)
The medial temporal lobe (MTL) and declarative memory
-Prior to 1953, the role of the MTL in memory was
relatively unknown
-H.M. changed all that: bilateral temporal lobectomy =
complete anterograde amnesia
-Brenda Milner’s neuropsychological testing
H.M.’s retrograde amnesia
-H.M.s RA extends back
~11 years pre-surgery
- Famous Faces performance is normal for 40s, then below normal for 50s, then severely impaired in the 60s & 70s
% Correct
Famous Faces Recognition by Decade
H.M.
Comparison
Intact domains of memory in amnesia
-Working memory:
HM’s digit span is normal
-Skill and Perceptual
learning
Delayed-NONmatching-to-sample test w/trial-unique
objects
sample
delay recognition
ITI sample
delay recognition
CORRECT
CORRECT
Performance on DNMS w/ trial-unique objects
50
60
70
80
90
100
. 10 70 130.
Controls MTL Lesion
Delay (sec)
% Correct Responses
Delineating the role of anatomical
components of the MTL
50
60
70
80
90
100
8 15 60 10 min
Control Amygdala Hippocampus A + HC
Delay in seconds
% CorrectResponses
DNMS Performance After Different Lesions
Work with monkeys in DNMS has
provided 3 important pieces of information: