All such claims regarding brain function need to be taken with a pinch of salt.
The "brain" as a whole clearly multitasks over a very wide range of activities.
For instance, balance, coordination of skeletal muscles, vocalisation, temperature regulation, eye movement, aural, optical, tactile and chemoreceptor monitoring. That's just a few of the host of parallel processing capabilities.
There are, of course, many more.
The greatest source of misunderstandings in this regard is our habit of considering the conscious activies as the main (and cleverest) part of the brain.
brain. It is not so, for if considered carefully enough, the subconscious, represented mostly by the cerebellum, hypothalamus and related structures is seen to be way "smarter".
The the much-vaunted "conscious" is basically a navigational facility used for interaction with the external environment.
It requires extensive memory storage and processing systems in order to form and manipulate internal models of the external environment. Analogous to map-rooms.
Since our interactions with our environment are far more complex than those of other species the main locus for the memory required for these map-rooms are the cerebral hemispheres.
These considerations are discussed at greater length in chapter 6 of my recent book “Unusual Perspectives”, the full electronic edition of which can be freely downloaded from the eponymous website.
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All such claims regarding brain function need to be taken with a pinch of salt. The "brain" as a whole clearly multitasks over a very wide range of activities. For instance, balance, coordination of skeletal muscles, vocalisation, temperature regulation, eye movement, aural, optical, tactile and chemoreceptor monitoring. That's just a few of the host of parallel processing capabilities. There are, of course, many more. The greatest source of misunderstandings in this regard is our habit of considering the conscious activies as the main (and cleverest) part of the brain. brain. It is not so, for if considered carefully enough, the subconscious, represented mostly by the cerebellum, hypothalamus and related structures is seen to be way "smarter". The the much-vaunted "conscious" is basically a navigational facility used for interaction with the external environment. It requires extensive memory storage and processing systems in order to form and manipulate internal models of the external environment. Analogous to map-rooms. Since our interactions with our environment are far more complex than those of other species the main locus for the memory required for these map-rooms are the cerebral hemispheres. These considerations are discussed at greater length in chapter 6 of my recent book “Unusual Perspectives”, the full electronic edition of which can be freely downloaded from the eponymous website.