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motor cortex

motor cortex

3 5.5
The part of the brain that plans and controls movements you make on purpose
  • noun
  • /ˈmoʊtər ˈkɔrtɛks/
  • Specialized
translation icon : corteza motora
  • The area of the motor cortex controlling the fingers increased in response to piano exercises, both actual and imagined.
  • the primary motor cortex
  • area of the motor cortex

So now I've got ground truth as to where your hand representation is on your motor cortex in my brain scanner.

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Examples

  • Their motor cortex is partially exposed at the back of their neck.

  • This is significant because the frontal and motor cortex play a role in attention, impulsivity, and motor activity.

    Academic text (1997)
  • One quarter of the motor cortex in the human brain is devoted to the hand.

  • Since free will is real, action is determined by both motor cortex activity and conscious acts of willing.

    Blog text (17)
  • So now I've got ground truth as to where your hand representation is on your motor cortex in my brain scanner.

  • In the late 1970s, Benjamin Libet showed that motor cortex activity preparing for an action occurs before the conscious act of willing that action.

    Blog text (17)
  • Just as seeing someone grasp something activates mirror neurons, even hearing the word grasp activates the appropriate area of the motor cortex.

    Academic text (2011)
  • Consequently, learning must be redefined as the brain's delegation of the responsibility for the response from the motor cortex to the basal ganglia.

    Academic text (1992)
  • "Independent movement depends on a high level of motor cortex development," says Jeanette Ward, a Memphis State University psychologist who supervised Milliken's graduate work.

    Academic text (1993)
  • The area of the motor cortex that controls hand movements is highly developed in pianists.

Synonyms

motor area
vsmotor cortex
  • Specialized
1 5.1

A part of the brain that controls movements you make on purpose

is wider and also covers planning and execution of movement
Rolando's area
vsmotor cortex
  • Archaic
9.6

A part of the brain that controls movements you choose to make

is broader and includes planning and execution of those movements
motor region
vsmotor cortex
  • Specialized
5.1

The part of the brain that controls body movement you choose to make

is more comprehensive and adds planning and execution of movement

Surface Forms

motor cortex singular

Morphology

motor + cortex

The meaning is directly compositional: 'motor' (= relating to movement) modifies 'cortex' (= the brain's outer layer), so a learner who knows both words can infer this is the part of the cortex involved in movement. This formation is regular and mirrored in many languages (e.g. Spanish 'corteza motora', French 'cortex moteur'), supporting immediate comprehensibility.

Etymology

Motor cortex names the movement-control area on the brain's surface: motor means movement and cortex means outer layer. Think of a control panel on the outside of the brain that plans and starts your actions, which is why the term refers to the part that controls 'voluntary movements'.