Background: Trypophobia is a common condition in which sufferers are averse to images of small holes arranged in clusters. Methods: We used photo-plethysmography to examine cardiovascular correlates and near infrared spectroscopy to examine cortical …

Scenes from nature share in common certain statistical properties. Images with these properties can be processed efficiently by the human brain. Patterns with unnatural statistical properties are uncomfortable to look at, and are processed …

Individual differences in the temporal dynamics of the haemodynamic response can reflect cortical excitation and can reveal underlying cortical physiology. Here, we show differences in the shape of the haemodynamic response that are dependent on …