Tectum/tegmentum Flashcards
1
Q
Tectum
A
Superior colliculus and inferior colliculus
2
Q
Superior colliculus
A
Tectum: Visual orienting/ head turning
3
Q
Inferior colliculus
A
Tectum: Auditory processing
4
Q
Tagmentum
A
Reticular formation, periaqueductal gray, and substantia nigra
5
Q
Reticular formation
A
over 90 nuclei with diffuse network of neuron interconnections with complex dendritic and axonal processes
- receives sensory input and projects to cortex, thalamus and spinal cord
- plays role in arousal, sleep, muscle tone, movement
6
Q
Periaqueductal gray
A
Nuclei involved in control of movement
7
Q
Substantia nigra
A
- involved in motor control
- project to caudate and putamen
- Parkinson’s