Alf L. Andersson

• Change in afterimage and spiral aftereffect serials due to anxiety caused by subliminal threat
• Discontinuity of spiral aftereffect duration trends in acute schizophrenia
• On percept-intensity regulation and depressive states
• On self-nonself interaction in early childhood as revealed by the spiral aftereffect duration
• Personality as reflected in adaptive regulation of visual aftereffect perception
• The relation between spiral aftereffect duration and rod and frame test performance in early childhood
• Visual aftereffects and the individual as an adaptive system