Geheugen - Functions of the Hippocampus and Medial Temporal Lobes in Memory

6 important questions on Geheugen - Functions of the Hippocampus and Medial Temporal Lobes in Memory

What is long-term potentiation?

The initial formation of memories involves an increase  in the probability that a postsynaptic neuron will fire in response to neurotransmitters released from presynaptic neurons. The iduced change in responsiveness of the postsynaptic neuron is termed long-term potentiation.

What two types of consolidation in the hippocampus are there?

1. A fast synaptic consolidation that may occur anywhere in the nervous system (based on LTP)
2. A slower consolidation that may be related to the hippocampus and declerative memory

What is Ribot's Law?

Memories from earlier in life are easier to recall than those later in life, because of consilidation.
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What is the multiple trace theory?

Hippocampus is involved in some permanent aspects of memory storage. It is based on transforming memories instead of transferring as in the older models.

What is cognitive map theory?

The hippocampus stores large-scale allocentric maps of the environment.

What are place cells?

A given neuron only respond strongly at a particular location.

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