Clinical Neuroscience Second Edition Chapter 8: Disorders of Anxiety: Obsessive-Compulsive Disorder and Tourette’s Syndrome Kelly Lambert and Craig Howard Kinsley Copyright © 2011 by Oxford University Press, Inc.

Figure 8.1 OCD loop. Lambert and Kinsley: Clinical Neuroscience, Second Edition Copyright © 2011 by Oxford University Press, Inc.

Figure 8.2 (a) Threat response. Lambert and Kinsley: Clinical Neuroscience, Second Edition Copyright © 2011 by Oxford University Press, Inc.

Figure 8.2 (b) Threat response. Lambert and Kinsley: Clinical Neuroscience, Second Edition Copyright © 2011 by Oxford University Press, Inc.

Figure 8.3 Activity-stress pathways. Lambert and Kinsley: Clinical Neuroscience, Second Edition Copyright © 2011 by Oxford University Press, Inc.

Figure 8.4 Spiraling behavior pattern. Lambert and Kinsley: Clinical Neuroscience, Second Edition Copyright © 2011 by Oxford University Press, Inc.

Figure 8.5 Neurochemistry of the OCD loop. Lambert and Kinsley: Clinical Neuroscience, Second Edition Copyright © 2011 by Oxford University Press, Inc.

Figure 8.7 PET scans of relative energy use in OCD. Lambert and Kinsley: Clinical Neuroscience, Second Edition Copyright © 2011 by Oxford University Press, Inc.