A general mechanism for perceptual decision-making in the human brain

Article Abstract:

The use of functional magnetic resonance imaging and a categorization task in which subjects decide whether an image presented to test whether a similar mechanism is also at work for more complex decision. These findings show that even for complex object categories, the comparison of the outputs of different pools of selectively tuned neurons could be a general mechanism by which the human brain computes perceptual decisions.

Decision-making, Decision making, Magnetic resonance imaging

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Molecular insights into human brain evolution

Article Abstract:

Rapidly advancing knowledge of genome structure and sequence enables new means of the analysis of specific DNA changes associated with the differences between the human brain and that of other mammals. Studies implicate evolutionary changes in messengers RNA and protein expression level, as well as DNA changes that alter amino acid sequences.

Genetic aspects, Amino acid sequence, Amino acid sequencing

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Sleep is of the brain, by the brain and for the brain

Article Abstract:

Sleep is a widespread biological phenomenon, and its scientific study is proceeding at multiple levels at the same time. The study of sleep also highlights on the understanding of consciousness, which undergoes alteration in parallel with sleep-induced changed in the brain.

Sleep, Consciousness

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