We have three dedicated Electroencephalography (EEG) laboratories where we carry out cutting-edge brain research.
How EEG works
Electroencephalography (EEG) is a non-invasive technique used to monitor the electrical activity of the brain. Each individual neuron has an electric potential, but this is far too small to be detected by EEG. Therefore, EEG activity represents the summation of millions of neurons that fire together and are of a similar spatial orientation. The activity we see in the EEG is thought to reflect predominantly pyramidal neurons.
EEG is often performed by applying an elastic cap with electrodes embedded in it to the participant's head. The electrodes are attached to the scalp to record minute electrical activities (down to microvolts). These minimal activities can be amplified, digitised and recorded by a computer for further analysis. EEG is a safe and non-invasive way of measuring brain activity.
Applications of EEG
EEG is useful for both research and clinical applications. It has been widely used to investigate research questions in cognitive neuroscience and psychology. With appropriate experimental designs, the excellent time-resolution of EEG (down to even shorter than 1 millisecond) can be used to investigate various cognitive functions such as: attention, perception, auditory processing, motor preparation, language, and memory.
We have three EEG labs and one preparation room with dedicated washing facilities. All the labs are equipped with BioSemi ActiveTwo systems, and a passive Brain Vision Quickamp system from Brain Products is also available upon request. All three labs are also equipped with computers which can present stimuli and collect responses from participants via keyboards or response boxes, together with their EEG activity.
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In addition to the EEG systems, we also have a Polhemus Fastrak digitiser system for digitising electrode locations and head shapes. The location information of the electrodes can facilitate studies using source localisations.
Apply to use our facilities.