Nervous System Overview Flashcards
What makes up the forebrain? [2 marks]
- Cerebrum (made up of 4 lobes)
- Diencephalon (made up of thalamus and hypothalamus)
What is the occipital lobe involved in and what is one of its associated issues? [2 marks]
- Visual processing
- Shcizophrenia
What is the parietal lobe involved in and what is one of its associated issues? [3 marks]
- Sensory processing
- Proprioception
- Dyslexia (reduced activation)
What is the frontal lobe involved in and what is one of its associated issues? [4 marks]
- Decision making
- Attention
- Consciousness
- Results of a lobotomy
What is the temporal lobe involved in and what is one of its associated issues? [2 marks]
- Auditory processing
- Receptive aphasia (normally due to stroke)
What does the corpus callosum do and what is its appearance? [2 marks]
- Connects the right and left hemispheres together.
- Appears as a white stripe (due to myelin)
What is the hippocampus involved in? [2 marks]
- Memory formation
- Memory retrieval
What is the basal ganglia involved in and what is its associated issues? [5 marks]
- Movement
- Balance
- Posture
- Parkinson’s disease
- Huntingdon’s Chorea
What happens in Parkinson’s? [2 marks]
- ‘selective death’ of substantia nigra
- less dopamine is synthesised
What happens in Huntingdon’s? [1 mark]
Tissue loss surrounding enlarged vesicles
What is the thalamus involved in and what is one of its associated issues? [2 marks]
- Many things including coordination of information to and from the brain
- Synaesthesia
What is the hypothalamus involved in? [1 mark]
Homeostasis
What is the cerebellum involved in? [2 marks]
- Precise movement
- Coordination
Effect of damage to cervical vertebrae 4 and 6 [1 mark]
Tetraplegia
Effect of damage to thoracic vertebra 6 and lumbar vertebra 1 [1 mark]
Paraplegia