Neurons Flashcards
(130 cards)
What is the function of the pyramidal tract?
Initiating, controlling and stopping voluntary movement
What are the 3 major subdivisions of the brain?
hindbrain, midbrain, forebrain
What is the frontal association cortex responsible for?
Intelligence, behaviour, personality, mood, cognitive function
What is the Non-dominant hemisphere (right) responsible for?
Non-verbal language, emotional expression, spatial skills, conceptual understanding, artistic/musical skills
What is the temporal association cortex responsible for?
Memory, mood, aggression, intelligence
What is the dominant (left) hemisphere responsible for?
Speech & language
What is the Parietal Association Cortex responsible for?
3D recognition, spatial skills
Effects of injury on right/non-dominant hemisphere
Loss of non-verbal language
Speech lacks emotion
Spatial disorientation
Inability to recognise familiar objects
Loss of musical appreciation
Brocas and Wernickes areas are linked by…
Arcuate Fasciculus (arch shaped white matter tract)
What is Wernickes are responsible for?
Speech/language recognition
Where is Wernicke’s area located?
Superior temporal gyrus of temporal lobe
Lesion to Wernickes area results in…
fluent/sensory aphasia (words not understood)
Where is Brocas area?
inferior frontal gyrus of frontal lobe
What is Brocas area responsible for?
Planning of speech movements
Lesion to Brocas area results in…
Non-fluent/motor aphasia (cannot produce words)
What are the 3 parts of the brain stem?
Midbrain, pons, medulla oblongata
Lesion to arcuate fasciculus results in…
conduction aphasia (response to words heard is inappropriate)
What is Exners area responsible for?
Control of hand/finger movement associated with writing
What is the Supramarginal Language Area responsible for?
Reading
Where is Exners area?
Pre motor cortex in the frontal lobe
What is the Angular gyrus language area responsible for?
Writing
What does the lateral fissure do?
Separates temporal and frontal lobes, and partially separates temporal and parietal lobes
How many pairs of spinal nerves are there?
31
What are the 5 nerve regions named?
Cervical, thoracic, lumbar, sacral, coccygeal