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PSYB65H3 (104)
Ted Petit (39)
Midterm

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Department
Psychology
Course
PSYB65H3
Professor
Ted Petit
Semester
Fall

Description
Aphemia (Broca’s Aphasia): Left frontal lobe lesions and are incapable of speech but retained ability to understand language. Cardiocentric hypothesis: heart is the centre for cognitive and emotional function. Cephalocentric: brain in the centre for behavior Engram: a change in the brain that is responsible for storing memories (Karl Lashey) Equipotentiality: proposal that the cortex function as a whole, with no specialization within it. Histology: examination of think, fixed section of the brain that has been stained with different techniques (golgi stain) Law of Mass Action: the proposal that the degree of deficit is directly related to the proportion of brain that has been lesioned. Leucotomy: The procedure in which the thalamus is disconnected from the frontal lobe with a special knife called leukotome (Moniz) Monism: the idea that the mind and the body is the same thing (neuropsychologist believe this) Neuron Doctrine: neurons were not continuous and they must communicated by contact (Santiago Cajal) Postcentral gyrus of the parietal lobe: somatosensory cortex, an area of the brain that when stimulated electrically, results in sensations being touched Prefrontal lobotomy: 1930s Walter Freeman involved inserting sharp object through the eye orbit, perforating the skull and destroying the connection to the prefrontal cortex. Synapse: coined by Sherrington to describe the gap between neurons Trephination: surgically opening the skull as a means of treatment. Wernicke’s Aphasia: aphasia caused by lesions in left temporal lobes that result in the ability to speak but not use words correctly or to understand the speech of others. Dependent Variable: response of behavior that the experimenter measures, should be directly related to the manipulation of the independent variable. Acetylcholine: a neurotransmitter that is used by all motor neurons. Afferent: carry sensory information to the CNS. Efferent – moving information away from the central nervous system to muscles and glands Limbic System – part of telencephalon, located in temporal lobes and made of amygdale, hippocampus, fornix and mamillary bodies and includes learning, memory and emotion. Amygdala: part of the limbic system that is involved with emotion Anterior: toward the head, front of the brain and top of the spinal cord. Caudal – towards the tail. Contralateral – on opposite side. Dorsal – towards the back, top of the brain, back of the spinal cord. Inferior – below or bottommost. Posterior – toward the
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