2- Brain Regions Flashcards
What are the 4 structures in the hindbrain?
Cerebellum
Pons
Formatio reticulus/reticular formation
Medulla oblongata
How many neurons in the brain are in the cerebellum?
50%
What is the cerebellum composed of?
White and grey matter
When is the cerebellum important?
For voluntary movement, motor learning, body position
Where is the pons?
On top of the brainstem
The pons is the bridge connecting what?
The cerebrum to the medulla oblongata and cerebellum
How many nuclei are contained in the formatio reticulus?
90+
What does the formatio reticulus do?
Regulate activity/sleep
What does the medulla oblongata relay?
Motor and sensory signals between higher brain regions and spinal cord
What is the main role of the medulla oblongata?
Reflex control centre
What are the 4 main structures in the midbrain?
Superior colliculus
Substantia nigra
Red nucleus
Inferior colliculus
What is the superior colliculus responsible for?
Visual processing
What is the substantia nigra responsible for?
Voluntary movement control
What is the red nucleus responsible for?
Auditory control
What is contained in the inferior colliculus? (2)
Tectum and tegmentum
2 parts of the forebrain
Diencephalon and telencephalon
2 structures within the diencephalon
Thalamus and hypothalamus
What is the gateway of the cortex?
The thalamus
Where do all sensory pathways relay?
The thalamus
What 3 things does the hypothalamus control?
Homeostasis and hormones
Autonomic nervous system by releasing hormones
Pineal gland
How many cerebral hemispheres are in the telencephalon?
2
What are the 4 key features of the telencephalon?
Cortex
Basal ganglia
Limbic system
Cortical folding
What 4 structures does the basal ganglia contain?
Striatum
Globus pallidus
Subthalamic nucleus
Substantia nigra