Forgetting, Decay Theory, Interference…

“When we take in new information, a certain amount of time is necessary for changes to the nervous system to take place – the consolidation process – so that it is properly recorded. During this period information is moved from short term memory to the more permanent long term memory.

The brain consists of a vast number of cells called neurons, connected to each other by synapses. Synapses enable chemicals to be passed from one neuron to another. These chemicals, called neurotransmitters, can either inhibit or stimulate the performance of neurons. So if you can imagine a network of neurons all connected via synapses, there will be a pattern of stimulation and inhibition.  It has been suggested that this pattern of inhibition and stimulation can be used as a basis for storing information.  This process of modifying neurons in order form new permanent memories is referred to as consolidation (Parkin, 1993)…”

http://www.simplypsychology.org/forgetting.html

http://en.wikipedia.org/wiki/Decay_theory