Prepyriform area (or prepiriform cortex) is a portion of the
rhinencephalon
In animal anatomy, the rhinencephalon (from the Greek, ῥίς, ''rhis'' = "nose", and ἐγκέφαλος, ''enkephalos'' = "brain"), also called the smell-brain or olfactory brain, is a part of the brain involved with smell (i.e. olfaction) ...
consisting of
paleocortex
In anatomy of animals, the paleocortex, or paleopallium, is a region within the telencephalon in the vertebrate brain. This type of cortical tissue consists of three cortical laminae (layers of neuronal cell bodies). In comparison, the neocortex ...
.
Some sources state that it is part of the
primary olfactory cortex.
Prepyriform Cortex along with Pyriform cortex And Cortical portion of amygdaloid nuclei constitute lateral olfactory area which send signal to almost all portion of limbic system such as hippocampus, which seem to be most important area for learning to like and dislike foods depending upon one's experience with them.
References
Cerebral cortex
Olfactory system
{{neuroanatomy-stub