Rob Davis Definition Acute inflammation of the parenchyma secondary to viral infection Herpes Simplex Virus Encephalitis most common sporadic encephalitis no age, sex, racial, seasonal, or geographical predilection Neonatal Presentation vertical transmission recognized during the 1st – 3rd week diffuse neurological signs, seizures, hypotonia, diminished responsiveness, poor feeding, irritability, systematic manifestations Children & Adults predilection for medial … Read more
Affect (review articles & studies) Hemispheric Specificity Studies Blonder, Bowers, Heilman (perception of facial express and prosody) Florida Affect Battery RHD impaired on perception of facial expression and prosody not due to VS properties b/c stim were presented verbally not due to inability of RBD to interpret emotional signif of events b/c able to comprehend … Read more
Overview The term “disconnection syndrome” is applied to the effects of lesions of association pathways, either those which lie within a single cerebral hemisphere or those which join the two halves of the brain (Geschwind,1965). Often the disconnection syndromes are talked about more generally as Collosal Syndromes. Of course, the corpus callosum is by far … Read more
Schizophrenia good prognostic Fs: availability of social support, good premorbid adjustment, acute onset, LOS, female, precipitating events, mood disturbances too, good interepisode fx, minimal residual sxs, normal neurological fx, family hx of Mood ds., no family hx of SZ, family hx of Mood ds Brief Psychotic Disorder (Sx don’t last longer than 1 mos) Schizophreniform … Read more
Validity Internal validity permits the conclusion that there is a causal relationship btwn IV and DV extraneous Fs (that might account for IV differences, not DV) threats: hx (external event), maturation (biological or psychological, e.g., fatigue, boredom, phys/intellectual dev), testing (exp with pre-test), instrumentation (change in nature of instrument), regression toward the mean (individual variation … Read more
Dementia Description Dementia is not a separate disease entity. Instead, it is a “set of symptoms” which may be associated with many disorders. “The essential feature of Dementia is impairment in short- and long-term memory, associated with impairment in abstract thinking, impaired judgment, other disturbances of higher cortical function, or personality change” Dementia is not … Read more
Characteristics Term has been used since 1800’s Loss of function in multiple cognitive abilities (According to DSM diagnosis) Does NOT imply specific underlying cause, progressive course, OR irreversibility (it can be static, progressive or remitting) Distinction b/t delirium and dementia can be difficult (frequently may coexist) Some definitions do require persistence in order to exclude … Read more
Introduction This chapter focuses on the Diagnostic Interview. A lot of this is basic “good interviewing practice” even if someone is not from another culture. These are the major points to keep in mind from this chapter from Cross Cultural Neuropsychological Assessment, Theory and Practice, Chapters 8-9 by Victor Nell Major Points Think of the … Read more
CRANIAL VAULT AND MENINGES Foramina Holes allowing cranial nerves, spinal cord, blood vessels to enter and leave cranial cavity Foramen magnum– largest; at base of skull Cervicomedullary junction – occurs at the level of foramen magnum; point where spinal cord meets medulla Fossae Compartments of the cranial cavity divided by ridges of bone Anterior fossa … Read more
MOTOR/SENSORY CORTEX, SOMATOTOPIC ORGANIZATION Primary Motor Cortex Precentral gyrus, Brodmann’s area 4 Primary Sensory Cortex Postcentral gyrus, Brodmann’s areas 3, 1, 2 Somatotopic Organization of Primary Motor/Sensory Cortex Adjacent regions on cortex correspond to adjacent areas on the body surface Classically depicted by Motor and Sensory Homunculus Not as clear-cut and consistent as originally believed … Read more