Topic 8.3 The Brain
- Created by: Zoe
- Created on: 27-05-13 18:01
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- 8.3 The Brain
- Cerebral Hemispheres
- Frontal Lobe
- Higher functions
- Decision making
- Reasoning
- Planning
- Consciousness of emotions
- Parietal Lobe
- Types of recognition and memory
- Orientation
- Movement
- Sensation
- Calculation
- Occipital Lobe
- Vision
- Temporal
- Auditory information
- Involved in memory
- Thalamus
- Routes all incoming sensory info to correct part of the brain
- Hypothalamus
- Thermoregulatory centre
- Sleep centre
- Thirst and hunger centre
- Endorcrine gland
- Hippocampus
- Long term memory
- Basal ganglia
- Collection of neurones
- Frontal Lobe
- Cerebellum and Brain Stem
- Medulla Oblongata
- Regulates body processes that we don't consciously control
- Breathing
- Cerebellum
- Balance
- Coordinates movement
- Receives info from motor cortex
- Midbrain
- Relays info to cerebral hemispheres
- Medulla Oblongata
- Studies of individuals
- Phineas Gage
- 3.5 foot long iron bar through his head
- Emotions affected
- Unable to complete plans for the future
- Severed connections between midbrain and frontal lobe
- Lincoln Holmes
- Recognition impossible
- Temporal lobe affected
- Phineas Gage
- Strokes
- Problems with speech, understanding, reading, and writing
- Neural plasticity
- Potential of neurones to change in structure and function
- Brain Imaging
- CT Scans
- Overcomes limits of X-rays
- Narrow beamed x-rays used
- Thin slice of brain imaged
- MRI
- Nuclei of atoms line up in a magnetic field
- Different tissues respond differently to the magnetic field
- Examines tissues in small sections
- fMRI
- Uptake of oxygen measured in different parts of the brain
- Study memory, emotions,language and consciousness
- CT Scans
- Cerebral Hemispheres
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