Understanding the Role of the Brain (VCE SSCE Psychology): Flashcards

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Understanding the Role of the Brain
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Brain plasticity

Brain's ability to reorganize & form new neural connections

No. of neurons in human brain

Approx. 100 billion neurons

Average adult brain weight

Between 1.4 and 1.5 kg

Three protective layers of brain

Skull, meninges, cerebrospinal fluid

Phrenology

Study of skull shape as indicator of mental faculties & traits

Ablation

Surgical removal/destruction of tissue by lesioning or electrodes

Equipotentiality

Healthy cortex areas taking over functions of injured parts

fMRI

MRI type showing brain activity by measuring oxygen consumption

Why fMRI preferred in research

Detailed images, no radioactive tracers, rapid succession

Mind-body problem

Extent to which mind & body are same or separate things

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