Which converts short time memory into long time remembrance?
a)	Reticular system	b)	Hippocampus	c)	Thalamus	d)	Medulla oblongata

(c)

The thalamus is the main principal relay station for sensory impulses that reach the cerebral cortex from spinal cord, brain stem, and cerebellum. Certain nuclei in the thalamus relay all sensory inputs to cerebral cortex. These include medical geniculate nucleus for hearing lateral geniculate nucleus for vision, ventral posterior nucleus for sense and anterior nucleus concerns with emotions and conversion of memory.