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| set of axons connecting the two cerebral hemispheres; smaller than the corpus callosum 98 |
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| question of how the visual, auditory, and other areas of the brain influence one another to produce a combined perception of a single object 103 |
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| large groove in the surface of the primate cerebral cortex, separating front from parietal cortex |
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| layer of cells on the outer surface of the cerebral hemispheres of the brain |
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| collection of cells having similar properties, arrange perpendicular to the laminae |
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| large set of axons that connects the two hemispheres of the cerebral cortex |
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| assignment in which an animal must respond on the basis of a signal that it remembers but that is no longer present |
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| section of the cerebral cortex extending form the central sulcus to the anterior limit of the brain, containing the primary motor cortex and the prefrontal cortex |
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| condition in which monkeys with damaged temporal lobes fail to display normal fears and anxieties 100 |
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| layer of cell bodies parallel to the surface of the cortex and separated from other laminae by layers of fibers 98 |
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| posterior caudal section of the cerebral cortex; involves sight 100, 134 |
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| section of the cerebral cortex bw the occipital lobe and the central sulcus 100 |
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| gyrus of the cerebral cortex just posterior to the central gyrus; a primary projection site for touch and other body sensations |
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| gyrus of the cerebral cortex just anterior to the central sulcus, site of the primary motor cortex 100 |
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| anterior portion of the frontal lobe of the cortex, which responds mostly to the sensory stimuli that signal the need for a movement |
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| surgical disconnection of the prefrontal cortex from the rest of the brain |
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| order of mammals that includes humans, chimps, gorillas, etc |
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| lateral portion of each hemisphere, near the temples; primary cortical target for auditory information |
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| computerized axial tomography (CT or CAT scan) |
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Definition
| method of visualizing a living brain by injecting a dye into the blood and then passing x-rays thru the head and recording them by detectors on the other side |
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| electroencephalograph (EEG) |
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| device that measures the brain's electrical activity through electrodes on the scalp |
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| evoked potentials or evoked responses |
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Definition
| electrical activity of the brain in response to a stimulus |
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| functional magnetic resonance imaging (fMRI) |
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Definition
| modified version of the MRI that measures energies released by hemoglobin molecules in an MRI scan, and then determiens the brain areas receiving the greatest supply of blood and oxygen |
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| use of biochemical methods to direct a mutation toa particular gene that is important for certain types of cells, transmitters, or receptors (112) |
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| magnetic resonance imaging (MRI) |
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| method of imaging a living brain by using a magnetic field and aradio frequency field to make atoms with odd atomic weights all rotate in the same direction and then removing those fields and measuring the energy that the atoms release |
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| magnetoencephalograph (MEG) |
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| device that measures the faint magnetic fields generated by the brain's activity |
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| pseudoscience that claimed a relationship bw skull anatomy and behavioral capacities |
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| positron-emission tomography (PET) |
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| method of mapping activity in a living brain by recording the emission of radioactivity from injected chemicals; expensive |
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| control procedure for an experiment, in which an investigator inserts an electrode into a brain but does not pass a current |
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| device for the precise placement of electrodes in the head 112 |
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| transcranial magnetic stimulation |
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| application of an intense magnetic field to a portion of the scalp to influence the neurons below the magnet |
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