midbrain

2 5.5

The middle part of the brain that helps process sight and sound and control movement

noun
/ˈmɪdˌbreɪn/

Specialized

: mesencéfalo

In Gray's (1982) theoretical model, the amygdala, hypothalamus, and midbrain support aggressive and defensive behavior in response to frustration and form a fight/flight system.
midbrain and forebrain

So the home of dopamine neurons are in a part of the brain, sort of what we call the lower midbrain.

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Examples

The midbrain, hindbrain, spinal cord, and forebrain form the central nervous system.

Blog text (29)
The primitive vertebrate brain is tripartite, consisting of the forebrain, midbrain, and hindbrain.

Academic text (2003)
I divide the midbrain into two main regions.
First, we have the midbrain, and that's involved in processes such as vision, hearing, eye movement, and body movement.

Blog text (24)
It has to do with a chemical in the midbrain, or rather the lack of it, called dopamine.

Fiction book (1990)
Neural delay and coincidence circuits of just this kind have been found in the superior olive in the midbrain of cats.

Academic text (1999)
As such, these effects may reflect changes in the activity of reward neurotransmitter systems in the midbrain and forebrain implicated in the positive reinforcing effects of drugs.

Academic text (2009)
There is now good evidence that the superior olive—a processing center, or "nucleus," in the midbrain—is able to perform a cross-correlation operation on the signals in the two ears, as described in the box on page 27.

Academic text (1999)
The nervous system progresses from a neural tube to the essential subdivisions of the brain into forebrain, midbrain, and hindbrain. During this time, the upper and lower limb buds also begin to appear.

Academic text (1990)
The midbrain plays a crucial role in processing visual and auditory information.

Synonyms

mesencephalon

vsmidbrain

Specialized

1 9.9

The middle part of the brain that helps seeing, hearing and movement

means the same but is the common English name

Surface Forms

midbrain singular

midbrains plural

Morphology

midbrain = mid + brain (transparent) = mid + brain

The meaning is directly the 'middle' part of the 'brain' and follows straightforward compounding logic.

Etymology

Midbrain is made of the parts mid- ('middle') and brain, so the word literally names the brain area in the middle. That's why the midbrain is the central part that helps with seeing, hearing and movement.