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Lecture 12

BIOL 1F25 Lecture Notes - Lecture 12: Memory Consolidation, Phospholipid, Tetraodontidae


Department
Biological Sciences
Course Code
BIOL 1F25
Professor
Alan Castle
Lecture
12

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
Memory Consolidation (continued)
Sleep and memory consolidation (continued)
  
!"#$$%
&
In addition to increasing amount of information in memeory, sleep also
stabilizes that memory traces- makes them more resistant to
interference
Proposed that hippocampal memory traces are reactive during sleep
and transferred to sites in the cortex
 '$#$#
$$
Can make motor skills more stable and resistant to interference
Consolidation during sleep can also produce a gain in skill
( '%)*+,&-
$$$
^ E$ect emotional memories
.$)/ area of brain crucial role in making signi%cant experiences
more memorable
“The amygdala has been implicated in the generation of the most
rudimentary and profound of human emotions, including fear, sexual
desire, rage”
e.g. Its neurons become activated in response to human faces
Amygdyla activity is  (circuits are reactive
during sleep)
The amygdala is directly connected to the hippocampus, and interacts
in memory. The amygdala is implicated in the formation of long-term
emotional memories
Though to be very important for ##$$ in many animals
(traumatic/fear memories)
People who are traumatised by something (fearful event) depriving
someone of sleep might actually help the traumatic event because if
memory occurs during sleep this will be a positive e$ect
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