Ninth Edition in Modules David G. Myers Psychology Ninth Edition in Modules Module 4 Neural and Hormonal Systems Copyright © 2010 by Worth Publishers

Figure 4.1 A motor neuron Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.2 Action potential Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.3 How neurons communicate Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.4 Neurotransmitter pathways Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Table 4.1 Some Neurotransmitters and Their Functions Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.5 Agonists and antagonists Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.6 The functional divisions of the human nervous system Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.7 The dual functions of the autonomic nervous system Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.8 A simplified neural network: learning to play the violin Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.9 A simple reflex Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers

Figure 4.10 The endocrine system Myers: Psychology, Ninth Edition in Modules Copyright © 2010 by Worth Publishers