reticular formation

Function

• a diffusely organized system of neurons in the brainstem reticular formation, subthalamus & intralaminar nuclei of the thalamus regulate alertness or vigilence
• ascending connections with the cortex modulate behavioral responsiveness
• descending connections with the spinal cord via the reticulospinal tract affect posture & reflexes
• wakefulness, general brain activity, attention & vigilence are regulated by the reticular formation

More general terms

• brain structure

Additional terms

• reticulospinal tract

Component of

• brainstem

Components

• pontine paramedian reticular formation (PPRF)
• respiratory center