Neuro - Motor Control 1

True or False: The motor cortex is located in the dorsal frontal lobes, anterior to the central sulcus, and in the precentral gyrus

true

True or False: The motor cortex is disproportionate in that fine motor areas have larger areas of M1 devoted to them

true

True or False: Individual cortical motor neurons can drive numerous motor neuron pools from a group of different muscles

true

True or False: Much of motor cortex is not active for every movement

false

Motor neurons are like _____ neurons, in that they are broadly tuned with "preferred" directions and use population coding to determine the movement

olfactory

Quadriplegia (tetraplegia) is the loss of normal function in all four limbs while Paraplegia is the loss of normal function in the _____

legs

Can the motor map be reorganized? yes or no

yes

In which case(s) can reorganization or plasticity occur in M1?

learning a skill

following an injury

The non primary motor cortex is made of the ___ cortex and the ______ motor area

premotor; supplementary

Which structure plans internally generated movements (movements from memory)?

supplementary motor area (SMA)

Which structure plans movements in response to external cues?

premotor cortex

The SMA receives input from the (blank) and modulates the activity of the (blank)

basal ganglia; primary motor cortex

Many mirror neurons are found in the ventral portion of premotor cortex known as ____

area F5

F5

Which type of neuron is active both when an individual makes a particular movement and when that individual sees another individual make that same movement?

mirror

mirror neuron

True or False: Activation of mirror neuron populations in premotor cortex areas increases most strongly in response to scenes of action with a clear intention

true

In which scenario would you expect a mirror neuron to fire the most?

movement with clear intentions and a biological function

The pars opercularis region is less activated in children with ____ than in controls; This is the region that contains mirror neurons

autism

Which of the following would you expect to result from a lesion in the cervical area of the spinal cord?

quadriplegia

Which of the following would you expect to result from a lesion in the thoracic area of the spinal cord?

paraplegia

Which of the following would you expect to result from a lesion in the sacral region of the spinal cord?

genital numbness