Tutorial 1 - Flashcards
The brain along with the spinal cord makes up which major division of the nervous system?
The Central Nervous System (CNS)
All nerves outside the brain and spine are called?
The Peripheral Nervous System (PNS)
What are the 3 primary brain divisions (3 vesicles)?
Forebrain (proencephalon)
Midbrain (mesencephalon)
Hindbrain (rhombencephalon)
What do we call the thick band of fibres connecting the two hemispheres?
Corpus Callosum
The brainstem extends from the ______ and includes the _____ and the _____
spinal cord
hindbrain
midbrain
Functions of hindbrain
connection to spinal cord
vital functions (breathing)
Head and neck muscles
reticular formation for arousal
What are the three major level of the brainstem from caudal to rostral?
Myelencephalon (hindbrain)
Metencephalon (hindbrain)
Mesencephalon (midbrain)
What am I?
contain only 10% of the brains weight but have more neurons than the rest of the brain combined.
Cerebellum
Functions of the Cerebullum
Coordination of voluntary movement
Motor-learning
Balance
What am I?
Largest part of the human brain
consists of 2 hemispheres which are connected ny the corpus callosum
Cerebrum
Functions of the cerebrum
Voluntary motor control Sensory processing Executive function Language Emotion Memory
What structures extend from the medulla?
Cranial nerves
How many pairs of cranial nerves are there?
12
What are the bumps on the dorsal surface of the midbrain called?
What are they for?
Superior Colliculi - recieves visual and multimodal inputs
Inferior colliculi - recieves auditory inputs
Thalamus is part of the ____.
Forebrain
Other than the thalamus, what other prominent structures are located in the diencephalon?
Hypothalamus
Pineal Gland
Pituitary (Master) Gland
What is the master gland?
Pituitary
What is located to the inferior of the hypothalamus
Pituitary Gland
What am I?
Lobed structure
comprised of many individual interconnected nuclei
important relay station for sensory information
Thalamus
Which thalamic nucleus processes visual information?
Lateral geniculate nucleus
Which thalamic nucleus processes auditory information?
Medial geniculate nucleus
Which thalamic nucleus processes somatosensory information?
Ventro-posterior nucleus
