👉 The attended fluid refers to the portion of neural activity within the brain that is selectively focused on and processed during a task or stimulus, distinguishing it from background noise or irrelevant information. This concept is crucial in understanding attention mechanisms, as it highlights how the brain filters and prioritizes sensory inputs. When an attended fluid is present, specific neural circuits are activated, enhancing the processing of relevant information and facilitating cognitive functions like perception, decision-making, and memory formation. This focused activity is often observed in neuroimaging studies using techniques like fMRI or EEG, where researchers can visualize and measure the brain's response to targeted stimuli.