Studies of attention have suggested a 'Mexican hat' neural response profile that applies not just to spatial location but also to feature space. This suggests:

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The 'Mexican hat' neural response profile describes a pattern of neural activity where there is an excitatory response at the center of stimulation and an inhibitory response surrounding it. This pattern is observed in various aspects of attention, indicating that when a particular location or feature is the focus of attention, the neural response is heightened at that point but suppressed in the surrounding areas to enhance contrast and focus.

Studies of Attention Have Suggested a 'Mexican Hat' Neural Response