1 Future-Spot spread model assumes that future oil spot price is determined by a combination of current spot price and current futures price, and a properly constructed spread between these two current prices can predict the future oil spot price. 2  Mathematically, the model could be presented as:
corticospinal tract The nervous system tract that conducts impulses from the brain to the spinal cord. It contains mostly motor axons and is made up of two separate tracts in the spinal cord: the lateral corticospinal tract and the anterior corticospinal tract.
White matter tracts. Dr Tim Luijkx and Dr Ahmed Abd Rabou et al. White matter tracts, also known as white matter fibres, are classified into three categories: Projection tracts. tracts connecting the cortex with other area in the CNS, e.g. deep nuclei, brainstem, cerebellum or spine.