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Alcmaeon: Pioneer of experimental Brain Research
The ancient philosopher Alcmaeon of Croton founded scientific brain research.
28.01.2014
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20.03.2017
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- Glossary
Complex cell
A nerve cell in the primary visual cortex with large receptive fields. They respond to visual stimuli with appropriate contrast, a specific orientation, and often also a specific direction of movement.
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- Glossary
Inferior occipital gyrus
Part of the occipital lobe, the rearmost of the four large lobes of the cerebral cortex. Functionally, this is where visual information is processed. The inferior occipital gyrus is part of the early visual association areas.
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Simple cell
An orientation-sensitive cell in the primary visual cortex (part of the cerebral cortex) whose receptive field is divided into ON and OFF subfields. For example, it reacts strongly to lines of a certain orientation.
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Temporo-parietal junction
The transition between the temporal and parietal lobes – i.e., the temporal and parietal lobes – of the cerebral cortex. Here, in the posterior region of the Sylvian fissure, information from the limbic system, the thalamus, and the visual, auditory, and somatosensory cortex is integrated. Accordingly, the temporo-parietal junction forms an anatomical and functional hub of the brain that helps us develop complex abilities, including the ability to recognize biological movement or the ability to empathize with other people.
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Pulvinar
The pulvinar is a fairly large nucleus in the posterior thalamus that is connected to many visual centers. It appears to increase the excitability of cells in the visual cortex as soon as a stimulus is noticed. Some studies suggest that the pulvinar may also indirectly support language processing via cortical connections.
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24.02.2017
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- Question to the brain
What happens when you fall asleep?
Why don't we notice when we fall asleep?
14.01.2024
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- Consciousness
What is Consciousness?
As obvious as it is, consciousness is difficult to grasp scientifically.
13.06.2025
