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Midbrain
Questions
Question | Answer |
---|---|
What are the structures of the Midbrain? | Cerebral Peduncles, Reticular Formations, Corpora Quadrigemina |
Where are MOTOR projection tract located? | within the Cerebral Peduncles of the Midbrain |
Where do the Cerebral Peduncles carry the MOTOR Projection tracts to | Pons |
What structures do Cerebral Peduncles contain? | MOTOR Projection tracts and SENSORY tracts |
Where are the SENSORY tracts within the Cerebral Peduncles headed? | Spinal Cord --> Thalamus |
What are Reticular Formations? | core of GRAY matter extending into Forebrain and Hindbrain |
What is the function of Reticular Formations? | determine level of Consciousness and arousal of Cortex |
What are the structures that make up the Corpora Quadrigemina? | Superior Colliculi (2) and Inferior Colliculi (2) |
Where are the Superior and Inferior Colliculi located? | in the Corpora Quadrigemina of the Midbrain |
What structure controls VISUAL reflexes (involuntary head/eye movement)? | Superior Colliculi |
Which structure controls AUDITORY reflexes (involuntary head movement)? | Inferior Colliculi |