Theories
Dualism is the theory that...
The mind and body are separate entities, with different substances and functions
What is ablation?
Involves the surgical removal, destruction, or cutting of a region of brain tissue.
What does CT stand for?
Computerised Tomography
Monism is the theory that...
The belief that the mind and matter are essentially one substance
What is brain lesoning?
The practice of inducing and/or studying the effects of damage to an area of the brain.
What does MRI stand for?
Magnetic Resonance Imaging
What is the heart hypothesis?
It was believed that personality, logic and emotion all originated in the heart.
Ancient Egyptians believed that the key to the afterlife was the heart, which is why they preserved it by mummifying it
The brain was useless
What is split-brain surgery?
Split-brain surgery is where patients have their left brain hemisphere separated from the right brain hemisphere.
What does a PET do?
Uses a scanning device to take coloured images of the brain, showing its functional activity by tracing the levels of a radioactive substance in the brain.
What is the brain hypothesis?
Greek philosophers believed the brain was responsible for all mental functions
Who were the first researchers for split-brain?
Roger Sperry and Michael Gazzaniga
Uses magnetic and radio fields to take two and three-dimensional images of the brain and record its activity levels.
What is phrenology?
The study of the shape and size of the human skull to determine personality and mental functioning.
What does ablation help researchers understand?
Helped make inferences about localisations of function
What is an advantage of MRI?
MRI is non-invasive and does not use radiation.