This theoretical model of emotion is based on research using the startle-probe methodology.
It explains inconsistencies in probe studies of attention and fear conditioning and provides …

The organization of response systems in emotion is founded on two basic motive systems,
appetitive and defensive. The subcortical and deep cortical structures that determine primary …

… Mark Bradley Professor Bradley’s research interests are focused on the application of the
tools and techniques of chemistry to address biological problems and needs, typically with a …

The Self-Assessment Manikin (SAM) is a non-verbal pictorial assessment technique that
directly measures the pleasure, arousal, and dominance associated with a person's affective …

The Affective Norms for English Words (ANEW) is being developed to provide a set of
normative emotional ratings for a large number of words in the English language. The goal is to …

The International Affective Picture System (IAPS) is being developed to provide a set of
normative emotional stimuli for experimental investigations of emotion and attention. The goal is …

Colored photographic pictures that varied widely across the affective dimensions of valence
(pleasant‐unpleasant) and arousal (excited‐calm) were each viewed for a 6‐s period while …

Emotional reactions are organized by underlying motivational states--defensive and appetitive--that
have evolved to promote the survival of individuals and species. Affective responses …

Pupil diameter was monitored during picture viewing to assess effects of hedonic valence
and emotional arousal on pupillary responses. Autonomic activity (heart rate and skin …

In the human psychology laboratory, attention is commonly treated as a rational, conscious,
cognitive activity. The focus of attention is often defined by instructions, or alternatively, by …