forebrain

[ fawr-breyn, fohr- ]

noun

, Anatomy.

1. Also called prosencephalon. the anterior of the three primary divisions of the brain in the embryo of a vertebrate, or the part of the adult brain derived from this tissue including the diencephalon and telencephalon.
2. the telencephalon.

forebrain

/ ˈfɔːˌbreɪn /

noun

1. the nontechnical name for prosencephalon

forebrain

/ fôr′brān′ /

1. The forwardmost part of the vertebrate brain. In humans, it consists of the thalamus, the hypothalamus, and the cerebrum.
2. Compare hindbrain

Word History and Origins

Origin of forebrain¹

First recorded in 1875–80; fore- + brain

Example Sentences

Vocal learners, such as songbirds, hummingbirds and parrots, have independently evolved certain clusters of nerve cells called nuclei in their forebrains that control the ability.

From Science News

The “random activation theory” suggests that dreams are our forebrains trying to make sense of the random activity sent to it by the chaotic and meaningless information coming from the back of the brain during sleep.

From Nautilus

The molecules mingle with the molecules of serum: In seconds they are washed against the cell-walls of the forebrain.

From Project Gutenberg

He jerked his mind away suddenly from the thoughts which had crowded into his forebrain.

From Project Gutenberg

Autopsies on imbeciles show an infantile development of the forebrain.

From Project Gutenberg