Human Physiology, 14th edition (2016)

198 Chapter 7 marijuana impairs attention, learning, and memory; some studies suggest that, in chronic marijuana users, this imp ...

The Nervous System 199 7.7 Synaptic Integration The summation of many EPSPs may be needed to pro- duce a depolarization of suffi ...

200 Chapter 7 During LTP, the insertion of AMPA receptors for gluta- mate into the postsynaptic membrane is increased. As pre- v ...

The Nervous System 201 many as 1,000 presynaptic inputs, the interactions of EPSPs and IPSPs can vary greatly. In presynaptic in ...

202 Chapter 7 B. The opening of voltage-regulated channels produces an action potential. The opening of Na^1 channels in respon ...

The Nervous System 203 Test Your Knowledge The supporting cells that form myelin sheaths in the peripheral nervous system are a ...

204 Chapter 7 Hyperpolarization is caused by all of these neurotransmitters except a. glutamic acid in the CNS. b. ACh in the h ...

The Nervous System 205 Use the figure below (from figure 7.34 ) to answer questions 38–40: –85mV 55mV 70mV Inhibitory neurotra ...

206 Refresh Your Memory Before you begin this chapter, you may want to review these concepts from previous chapters: ■ Neurons a ...

The Central Nervous System 207 8.1 Structural Organization of the Brain The brain is composed of an enormous number of asso- cia ...

208 Chapter 8 humans, forming the two enormous cerebral hemispheres (of the cerebrum ) that cover the diencephalon, the midbrain ...

The Central Nervous System 209 8.2 Cerebrum The cerebrum, consisting of five paired lobes within two convoluted hemispheres, con ...

210 Chapter 8 located here are called upper motor neurons because of their role in muscle regulation (chapter 12, section 12.5). ...

The Central Nervous System 211 of the body. Typical maps of these regions ( fig.  8.7 ) show an upside-down picture of the body, ...

212 Chapter 8 others. These abilities are required for the acquisition of social skills and perhaps also of language, a possibil ...

The Central Nervous System 213 chemicals known as MRI contrast agents are sometimes used to increase or decrease the signal in d ...

214 Chapter 8 Delta waves are seemingly emitted in a general pattern from the cerebral cortex. These waves have a frequency of 1 ...

The Central Nervous System 215 Basal Nuclei The basal nuclei are masses of gray matter composed of neu- ron cell bodies located ...

216 Chapter 8 be discussed shortly) send GABA-releasing inhibitory axons to the thalamus. The thalamus, in turn, sends excitator ...

The Central Nervous System 217 separately presented with sensory images and the patient is asked to perform tasks (speech or wri ...