FoundationalConceptsNeuroscience

person’s circulatory system, it will flow throughout the body and be absorbed into cells just as if it is normal glucose. Howeve ...

receptors (as an agonist or antagonist), make that molecule radioac- tive by replacing one of the carbons in the molecule with c ...

alpha particles, and so forth, that had been accelerated to high velocities in a cyclotron, they found that ever heavier element ...

thinking about anything in particular, not doing any task, your brain is very active and using glucose at a robust rate. If you ...

genated hemoglobin, and subsequent conversion to its deoxygenated form. This change in blood oxygenation can be measured by look ...

What is to come next? ...

CHAPTER 1 8 Connectivity, Language, and Meaning In the two million years between Homo habilis and us, the size of the hominin br ...

a more macroscopic level—what is called gross anatomy—the two hemispheres of the human cerebral cortex appear roughly identical. ...

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Figure 18.1. Cell layers in the human cerebral cortex made visible using Nissl stain (left), a dye that colors cell bodies but n ...

Broca’s area Wernicke’s area Figure 18.2. Cortical language areas. A person with Broca’s aphasia is not paralyzed. The muscles c ...

hearing and vision are unimpaired, a patient with Wernicke’s aphasia cannot understand—cannot interpret the meaning of—spoken an ...

are in the temporal lobes, and in performing an excision procedure the surgeon takes great care to avoid damaging areas of the c ...

lateralization of language. For right-handed people, approximately 97 percent have left-hemisphere language dominance, and 3 per ...

Mirror neurons connect perception with action in a very direct way. Observations of grasping and touching are connected with the ...

appeared to have little impact on the animal’s behavior, leading neu- rosurgeons to believe that the callosotomy procedure could ...

Left visual field Right visual field (LVF) (RVF) Optic chiasm ae Visual cortex visual cortex = receiving information receiving i ...

brain circuitry controlling the left hand. The objects being felt are hid- den from view behind a screen, for if the person were ...

plain the situation. This is reminiscent of the behavior of anosognosia patients, in which the nondamaged left hemisphere may cr ...

and once using his right hand. The drawing to be copied is presented on a piece of paper, and the patient can look at it for as ...