The brain Flashcards
(40 cards)
Grey matter is made up of what?
Neurones and cell bodies
What is the role of white matter?
Relay information
What are sulci?
Divides the brain (the valleys)
What are the three main sulci?
Longitudinal, rolando and slyvian
What are gyri?
Spit the lobes into more sections (the hills)
What is the role of the pre central gyri?
Movement
What is the role of the post central gyri?
Sensation
Where is the pre central gyri?
The frontal lobe
Where is the post central gyri?
The parietal lobe
What are the main functions of the frontal lobe?
Executive function, voluntary movement, and expressive language
What is somatropic organisation?
The ‘little man’ where areas of the frontal lobe are divided and control different body parts
What is controlled by the primary motor cortex?
Voluntary movement
What is controlled by the prefrontal cortex?
Executive function
What is controlled by Broca’s area?
Expressive language
What are the functions of the parietal lobe?
Sensory, emotion, and association
What do the inferior and superior parietal lobes control?
Association
What do the precuneus and posterior cingulate gyrus control?
Emotion
Which is the normal dominant hemisphere?
The right hemisphere
What does the dominant hemisphere control?
Writing, calculation, and left and right
What does the non-dominant hemisphere control?
Awareness of the other side of the body, and drawing
What does the temporal lobe control?
Language, recognition, and processing
What does the superior temporal gyrus control?
Auditory input and language comprehension
What is controlled by the middle temporal gyrus?
Sound recognition, semantic memory, and language processing
What is controlled by the inferior temporal gyrus?
Visual recognition