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- Percipience
- Hearing
Hearing – more than just Sound and Vibration
The brain creates a colorful world of sounds from minimal acoustic input.
17.10.2025
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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
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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- Thinking
- Consciousness
What is Consciousness?
As obvious as it is, consciousness is difficult to grasp scientifically.
13.06.2025
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- Glossary
Cortical blindness
When the primary visual cortex is destroyed, those affected are effectively blind, even though their eyes are undamaged. However, they are often unconsciously able to grasp and catch objects and even name them when asked to guess. This effect is known as blind sight.
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- Glossary
Hypercomplex cell
A nerve cell in the primary visual cortex that responds most strongly to short, moving lines or corners in its receptive field. It exhibits end-stopping, meaning that the response strength decreases when the stimulus becomes longer than optimal. Hypercomplex cells are sensitive to the orientation and direction of movement of the stimulus and contribute to the perception of edges, corners, and curves.
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24.02.2017
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- Grundlagen
- Communication in the Brain
Cells: Specialized Workers of the Brain
Several billion tiny cells are located in the brain. There they perform amazing work.
01.07.2025
