Asymmetry of finger temperature and early behavior.
Measures of the temperature of the fingertips of eighty-three 4-year-old children revealed an unexpected asymmetry in which the index finger of the left hand but the ring finger of the right hand were the coolest digits. In addition, a subset of 20 children who had the coolest right compared with the left ring finger were more fearful to unfamiliar events and also had a cooler right than left forehead at 21 months of age.
Kagan
J
J
Department of Psychology, Harvard University, Cambridge, Massachusetts 02138-3870, USA.
Arcus
D
D
Snidman
N
N
Peterson
E
E
Steinberg
D
D
Rimm-Kaufman
S
S
D001143:Arousal; D002652:Child Behavior; D002675:Child, Preschool; D005239:Fear; D005260:Female; D007839:Functional Laterality; D006801:Humans; D007206:Individuality; D007223:Infant; D008297:Male; D010552:Personality Assessment; D012881:Skin Temperature; D012931:Social Environment; D013694:Temperament