Grid cell
Grid Cell
A Grid Cell (pronounced: /ɡrɪd sɛl/) is a type of neuron in the brains of many species that allows them to understand their position in space.
Etymology
The term "Grid Cell" was coined by the Norwegian neuroscientists Edvard Moser and May-Britt Moser in 2005. The term refers to the unique pattern of activity shown by these cells, which resembles a grid or lattice.
Definition
A Grid Cell is a type of neuron found in the Entorhinal Cortex that fires at regular intervals as an animal moves through space, creating a 'grid-like' pattern of activity. This pattern is thought to represent a cognitive map, or internal representation of the environment.
Function
Grid Cells are thought to play a crucial role in spatial navigation and memory. They are part of a complex network of cells, including Place Cells and Head Direction Cells, that work together to create a mental map of the environment. This system allows animals to navigate their environment and remember locations.
Related Terms
- Entorhinal Cortex: The part of the brain where Grid Cells are located. It is involved in memory formation and spatial navigation.
- Place Cells: Neurons that become active when an animal is in a specific location in its environment.
- Head Direction Cells: Neurons that fire based on the direction an animal's head is facing.
- Cognitive Map: A mental representation of the layout of one's environment.
External links
- Medical encyclopedia article on Grid cell
- Wikipedia's article - Grid cell
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