Cooking at a constant oven temperature of 300Â°F (160Â°C), a 5- to 8-lb standing rib roast will take 17-19 minutes per pound for rare, 20-22 for medium rare, 23-25 minutes for medium, and 27-30 minutes for well done.f you roast at 325Â°F (160Â°C), subtract 2 minutes or so per pound. If the roast is refrigerated just before going into the oven, add 2 or 3 minutes per pound. More: Set the roast out an hour or so before putting it in the oven.
The causes of schizophrenia include environmental and genetic factors. Possible environmental factors include being raised in a city, cannabis use, certain infections, parental age, and poor nutrition during pregnancy. Genetic factors include a variety of common and rare genetic variants.
Knowledge center. Catatonic schizophrenia is a type (or subtype) of schizophrenia that includes extremes of behavior. At one end of the extreme the patient cannot speak, move or respond-there is a dramatic reduction in activity where virtually all movement stops, as in a catatonic stupor.obody is sure what the causes of catatonic schizophrenia and all other schizophrenia sub-types are. Research indicates that most forms of schizophrenia are caused by brain dysfunction; we just don't know why that brain dysfunction occurs.