Neupsy Key

INTRODUCTION Print Section Listen Neurodiagnostic tests aid in determining both localization and diagnosis. The main neurodiagnostic tests are: neuroimaging, cerebrospinal fluid (CSF) analysis, electroencephalography (EEG), and electromyography/nerve conduction studies (EMG/NCS)….

INTRODUCTION Print Section Listen Chapters 4 and 6 mapped the primary motor cortex (precentral gyrus of the frontal lobe), primary somatosensory cortex (postcentral gyrus of the parietal lobe), and the…

INTRODUCTION Print Section Listen Pupillary constriction is a parasympathetic function and pupillary dilation is a sympathetic function (“wide eyed with fear”). The pupils constrict in response to light and accommodation,…

INTRODUCTION Print Section Listen The nervous system serves three main functions: perception, cognition, and action. Perception is the translation of the outer world into electrochemical signals that can be interpreted…

OVERVIEW OF SPINAL CORD ANATOMY Print Section Listen The spinal cord begins where the medulla ends, running from the foramen magnum at the base of the skull to about the…

INTRODUCTION Print Section Listen The output of the motor cortex (and the adjacent premotor and supplementary cortices) is shaped by input from the basal ganglia and cerebellum. The basal ganglia…

OVERVIEW OF BRAINSTEM ANATOMY Print Section Listen The three levels of the brainstem from superior to inferior are the midbrain, pons, and medulla. The midbrain is just inferior to the…

INTRODUCTION Print Section Listen The cerebral hemispheres are where the motor pathways originate, and where the somatosensory pathways terminate. The left cerebral hemisphere controls the motor functions of the right…

ANATOMY OF THE VISUAL PATHWAY Print Section Listen The optic nerve is the output of the retina. Therefore, each optic nerve carries all of the visual information from the eye…