PSYC 100 Lecture Notes - Lecture 8: Magnetic Resonance Imaging, Transcranial Magnetic Stimulation, Neuroplasticity
2 Jun 2018
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PSYC 100 – Lecture 8
Structure & Organization of the Nervous System II
Cerebral Cortex
• The convoluted, wrinkled outer layer of the brain that is involved in multiple
higher functions, such as thought, language, and personality
• The 4 lobes
o Occipital lobes: are located at the rear of the brain and are where visual
information is processed
o Parietal lobes: are involved in our experiences of touch as well as our
bodily awareness
o Temporal lobes: are located at the sides of the brain near the ears and are
involved in hearing, language, and some higher-level aspects of vision
such as object and face recognition
o Frontal lobes: are important in numerous higher cognitive functions, such
as planning, regulating impulses and emotion, language production, and
voluntary movement
• corpus callosum: a collection of neural fibres connecting the 2 hemispheres
Neuroplasticity
• the capacity of the brain to change and rewire itself based on individual
experience
Measuring and Observing Brain Activity
• Lesioning and Brain Stimulation
o Lesioning is a technique in which researchers intentionally damage an area
in the brain
o Transcranial magnetic stimulation: a procedure in which an
electromagnetic pulse is delivered to a targeted region of the brain
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