forebrain

American  

[fawr-breyn, fohr-] / ˈfɔrˌbreɪn, ˈfoʊr- /

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.

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forebrain British  

/ ˈfɔːˌbreɪn /

noun

1. the nontechnical name for prosencephalon

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forebrain Scientific  

/ 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 midbrain

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Etymology

Origin of forebrain

First recorded in 1875–80; fore- + brain

Example Sentences

The experiments confirmed that touch for the head and body is mapped in different regions of the forebrain and showed for the first time that air pressure activates specific clusters of neurons in these regions.

From Science Daily • May 29, 2024

The neuron density of its forebrain — the region engaged with planning, sensory processing, and emotional responses, and on which REM sleep is largely dependent — is comparable to that of primates.

From New York Times • Mar. 26, 2024

Connections between the frontal cortex in the forebrain and basal ganglia, structures located deeper in the brain, are known to control cognitive and motor functions.

From Science Daily • Feb. 22, 2024

The researchers used tissue from different brain regions including the cortex, forebrain, and spinal cord, cutting the samples into layers and placing each in a separate dish with molecules that tell the cells to grow.

From Science Magazine • Jan. 9, 2024

Figure 5C passes through the posterior region of the pharynx, ph, the tip of the forebrain, fb, the anterior edge of the heart, ht, and the curve of the tail, t.

From Development of the Digestive Canal of the American Alligator by Reese, C. M.