Maclean (1990, 1993) proposed that the human forebrain includes three distinct systems, each of which developed in a distinct phase of vertebrate evolution. according to maclean, the striatal region isthe stream of movement- earliest and most basic part of the forebrain, that coordinates marking and patrolling, and forming social groups

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MacLean (1990, 1993) proposed that the human forebrain includes three distinct systems, each of which developed in a distinct phase of vertebrate evolution. According to MacLean, the striatal region is:

The stream of movement- earliest and most basic part of the forebrain, that coordinates marking and patrolling, and forming social groups

usually, a falcon can kill an owl, and horses don't normally eat each other.