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neuroanatomy
of phonation
- cortical mechanisms of
phonatory control
- three major areas responsible for
vocalization :
- Supplementary
motor area
- Anterior (Broca's area)
- Precentral &
postcentral gyrus(
rolandic area)
- Supplementary
motor area
- three major areas responsible for
vocalization :
- subcortical
mechanisms of
phonatory control
- thalamus
- ventrolateral nucleus
- responsible of speech movements as well as
control of loudness, pitch , rate and
articulation
- responsible of speech movements as well as
control of loudness, pitch , rate and
articulation
- thalamus
- midbrain structures
- Cerebral peduncles
- connect the cerebrum with the
brainstem and spinal cord
- connect the cerebrum with the
brainstem and spinal cord
- PAG
- Produces activity in some laryngeal
muscles Involved in the control of
patterns of muscle activity involving
muscles of respiration and vocalization
and in the orofacial area
- Produces activity in some laryngeal
muscles Involved in the control of
patterns of muscle activity involving
muscles of respiration and vocalization
and in the orofacial area
- Cerebral peduncles
- brainstem
- Nucleus retroam-bigualis in
the control of vocalization
- Nucleus retroam-bigualis in
the control of vocalization
- cerebellum
- Peripheral connections:
the vagus nerve
- provide sensory
fibers within the
larynx
- provide sensory
fibers within the
larynx
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