Use VLOOKUP when lookup values are located in the first column of a table with information organized vertically. Use HLOOKUP when lookup values are located in the first row of a table, and each record appears in a new column. Range_lookup controls whether value needs to match exactly or not.
senescence - the organic process of growing older and showing the effects of increasing age. ageing, aging. catabiosis - normal aging of cells. biological process, organic process - a process occurring in living organisms.
Habituation usually refers to a reduction in innate behaviours, rather than behaviours developed during conditioning in which the process is termed extinction . Sensitization is the opposite process to habituation, i.e. an increase in the elicited behavior from repeated presentation of a stimulus.