Flashcards in Learning, Memory & Addiction Deck (11)
What are the 3 types of memory?
1. short term
2. long term
How are memories stored?
by altering synaptic activity within the brain
long term potentiation - important in short term memory, strengthens existing synapses
*ionotropic AMPA response and metabotropic NMDA response to glutamate
what is the mechanism behind Long Term Memory?
involves the manufacture of new synapses within the brain
What is consolidation?
the conversion of short term memories to long term memories
short term memories are lost. Typical with trauma to head when one can not recall events around the time of the injury
short term memory is ok but can not consolidate or make long term memories
the loss, usually progressive, of cognitive and intellectual functions, without impairment of perception or consciousness; caused by a variety of disorders including severe infections and toxins, but most commonly associated with structural brain disease. Characterized by disorientation, impaired memory, judgment, and intellect and a shallow labile affect.
What is the main function of the limbic system?
emotions and basic behaviour patters like laughing, crying, attack, foraging, mating
what brain structures are part of the limbic system?
4. part of cerebral cortex (cingulate gyrus, hippocampus)