It is shown by the lower vertebrates, which lack the cerebral cortex, that these subcortical mechanisms are adequate for all of the ordinary simple processes of life, including some degree of associative memory.
The precise form which these subcortical combinations will assume in response to any particular excitation is in large measure determined by the structural connections inter se.
In the Brazil flat larvae it is trilobed, each lateral lobe being divided into three smaller ones: in which circumstance it somewhat resembles the head of some subcortical Cimicidae.
This is the case with the subcortical one from Brazil lately mentioned.
But the greatest number of prolegs is to be found in the Brazil subcortical larva lately mentioned.
Appropriate tests are made and the subcorticalpossibilities are shut out.
To the mind of the educated physician the problem will take on the disjunctive form: "This is either subcortical or cortical aphasia.
From such simple adjustment of reactions of the spinal cord, we come step by step to the more complex activities of the subcortical brain centers, and finally to those which are evidently only short-cuts of the higher brain processes.
This protective physical activity is now evidently itself controlled by a subcortical center, just as secretion and sexual hyperæmia are controlled.
The fatigue sensation, the subcortical sleep center, the contraction of the vessels in the cortex, and finally the rest sensation form together the complete circle.
Mental processes, subcortical processes, and physical effects are involved in such a way that each reënforces the others.
The subcortical complex had evidently found its normal channels of discharge.
If the fibres coming out from the speech zone be impaired, so that the impulses can not go to the muscles of articulation and breathing, we have Subcortical Motor Aphasia.
The application of the word spasm to these motor responses to cortical or subcortical stimulation is quite justifiable.
Cortical or subcortical excitation, however, as well as peripheral stimuli, may provoke these bulbar and spinal centres to activity.
Marie; he has pointed out that a destructive lesion of the cortex may be accompanied by subcortical damage, which interrupts fibres coming from other parts of the brain connected with speech.
These several cortical regions are connected by systems of subcortical fibres to two regions in front of the ascending frontal convolution (vide fig.
Because of this and because of the more watery character of woman's blood and great extent of subcortical centers in woman in comparison with cerebrum, the physical equilibrium of woman is more unstable than of man.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "subcortical" in a variety of sentences. We hope that you will now be able to make sentences using this word.
