Brainstem Flashcards
What are the three main regions of the brainstem?
Midbrain, pons, and medulla oblongata.
What structure connects the brainstem to the cerebellum?
The pons.
What is the function of the superior colliculus?
Processes and integrates visual, auditory, and somatosensory stimuli.
Which part of the brainstem regulates heart rate and breathing?
The medulla oblongata.
What is the role of the substantia nigra?
It helps coordinate movement and is affected in Parkinson’s disease.
What part of the brainstem contains the colliculi?
The midbrain (tectum).
What is the function of the reticular formation?
Regulates sleep, wakefulness, and attention.
Which structure is NOT part of the brainstem?
A) Midbrain
B) Pons
C) Cerebellum
D) Medulla oblongata
C) Cerebellum
What is the main function of the superior colliculus?
A) Regulating breathing
B) Processing and integrating sensory stimuli
C) Controlling voluntary movement
D) Relaying motor commands to the spinal cord
B) Processing and integrating sensory stimuli
Which brainstem structure acts as a bridge between the cerebellum and the brainstem?
A) Midbrain
B) Medulla oblongata
C) Pons
D) Reticular formation
C) Pons
What is the primary function of the medulla oblongata?
A) Visual processing
B) Memory consolidation
C) Regulation of heart rate and breathing
D) Coordination of limb movement
C) Regulation of heart rate and breathing
What part of the midbrain is affected in Parkinson’s disease?
A) Tectum
B) Substantia nigra
C) Tegmentum
D) Pons
B) Substantia nigra
The colliculi are part of which region of the brainstem?
A) Medulla oblongata
B) Pons
C) Midbrain
D) Cerebellum
C) Midbrain
The reticular formation plays a role in which of the following?
A) Digestion
B) Sleep and wakefulness
C) Language comprehension
D) Fine motor control
B) Sleep and wakefulness
midbrain and hindbrain; the structure that emerges from the ventral surface of the forebrain as a tapering cone that connects the brain to the spinal cord
brain stem
a small region between the thalamus and pons
midbrain
on the anterior surface of the brain stem as the thick bundle of white matter attached to the cerebellum
pons
the region known as the myelencephalon in the embryonic brain
medulla
region of the midbrain, thought of as the roof of the cerebral aqueduct, which is subdivided into the inferior and superior colliculi
tectum
region of the midbrain, thought of as the floor of the cerebral aqueduct, which continues into the pons and medulla as the floor of the fourth ventricle
tegmentum
the inferior pair of these enlargements; is part of the auditory brain stem pathway
inferior colliculi
the superior pair; combines sensory information about visual space, auditory space, and somatosensory space
superior colliculi
related to sleep and wakefulness, such as general brain activity and attention
reticular formation:
