Immediate-early genes (IEGs), including c-Fos, are integral to the brain's response to stimuli. Initially identified as a proto-oncogene, c-Fos is essential for neural activity, synaptic plasticity, ...

Some researchers suggest these are not distinct types of memory, but rather stages of memory. In this view, memory begins in sensory memory, transitions to short-term memory, and then may move to long ...