Abnormalities of Movement
Parkinson’s Disease PD is due to a degeneration of neurons in the dopaminergic nigrostriatal pathway. It is the second most common movement disorder behind essential tremor (ET), affecting about 1%…
Cerebellar Function
FIGURE 43.1 A. Ventral and (B) dorsal views of the human cerebellum. See Figure 43.4 for names of lobes and lobules. FIGURE 43.2 Median longitudinal section through the human cerebellum,…
Pathologic Reflexes
EHL, extensor hallucis longus. TABLE 40.2 Other Lower-Extremity Pathologic Reflexes TABLE 40.3 Other Upper-Extremity Pathologic Reflexes FCR, flexor carpi radials; MCP, metacarpophalangeal; PL, palmaris longus. The terms frontal release signs…
An Overview of Brainstem and Cranial Nerve Anatomy
FIGURE 11.1 The sulcus limitans divides the neural tube into the dorsal alar plate, which contains sensory neuroblasts, and the ventral basal plate, which contains motor neuroblasts. In the brainstem,…
The Examination in Coma
CHF, congestive heart failure; DIC, disseminated intravascular coagulation; DKA, diabetic ketoacidosis; ETOH, ethanol; GI, gastrointestinal; GU, genitourinary; ICP, intracranial pressure; MI, myocardial infarction; RMSF, Rocky Mountain spotted fever; SAH, subarachnoid…
Sensory Localization
FIGURE 36.1 Some common patterns of sensory loss. A. Hemisensory loss due to a hemispheric lesion. B. Crossed sensory loss to pain and temperature due to a lateral medullary lesion….
The Autonomic Nervous System
FIGURE 45.1 General arrangement of the autonomic nervous system. The sympathetic components are shown in red, the parasympathetic component in blue. (From Snell R. Clinical Neuroanatomy. 7th ed. Philadelphia: Wolters…
Muscle Volume and Contour
FIGURE 29.1 A patient with amyotrophic lateral sclerosis showing advanced atrophy of the muscles of the hands and shoulders. Involvement of nerve roots, plexus elements, or peripheral nerves leads to…
Overview of the Nervous System
FIGURE 2.1 A. Gross brain. B. T-1 weighted MR image. Approximately matched midline sagittal sections. Sagittal T1-weighted MRI of the brain and upper cervical spinal cord. Labels: 1, septum pellucidum;…
Gross and Microscopic Anatomy of the Cerebral Hemispheres
FIGURE 6.1 Lobes, sulci, and gyri of the lateral aspect of the cerebral hemisphere. The frontal and occipital lobes are finely stippled, the temporal lobe coarsely stippled, and the parietal…
