PSY100H1 : Ch 4_
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PSY100H1 Full Course Notes
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Document Summary
Phrenology: an early method of assessing personality traits and mental abilities by measuring bumps on the skull. Broca"s area: the left frontal region of the brain that is crucial to the production of language. Spinal cord: part of the central nervous systems, a rope of neural tissue that runs inside the hollows of the vertebra from just above the pelvis and into the base of the skull. Grey matter: a segment of the spinal cord that is dominated by the cell bodies of neurons. White matter: a segment of the spinal cord that consists mostly of axons and the fatty sheaths that surround them. Brainstem: a section of the bottom of the brain that houses the most basic programs of survival, such as breathing, swallowing, vomiting, urination and orgasm. Reticular formation: a large network of neural tissue within the brainstem involved in behavioral arousal and sleep-wake cycles.
