(2241) Arousal of cerebral cortex electroencephalogram consequent to high-frequency stimulation of ventral medullary reticular formation.   Wu HB, Stavarache M, Pfaff DW and Kow LM.   2007.   Proceedings of the National Academy of Sciences of the United States of America, volume 104, pages 18292-18296.   With reference to making sense, the sentence: "In contrast, estradiol administration significantly lowered ECG." seems to be incomplete.

(2242) Socialization between toddlers and robots at an early childhood education center.   Tanaka F, Cicourel A and Movellan JR.   2007.   Proceedings of the National Academy of Sciences of the United States of America, volume 104, pages 17954-17958.

(2243) Processing of tactile information by the hippocampus.   Pereira A, Ribeiro S, Wiest M, Moore LC, Pantoja J, Lin SC and Nicolelis MA.   2007.   Proceedings of the National Academy of Sciences of the United States of America, volume 104, pages 18286-18291.

(2244) Temporal isolation of neural processes underlying face preference decisions.   Kim H, Adolphs R, O'Doherty JP and Shimojo S.   2007.   Proceedings of the National Academy of Sciences of the United States of America, volume 104, pages 18253-18258.

(2245) Recurrent connection patterns of corticostriatal pyramidal cells in frontal cortex.   Morishima M and Kawaguchi Y.   2006.   Journal of Neuroscience, volume 26, pages 4394-4405.

(2246) Striatal projections of the vagal-responsive region of the thalamic parafascicular nucleus in macaque monkeys.   Ito S and Craig AD.   2007.   Journal of Comparative Neurology, volume 506, pages 301-327.

(2247) Projections from the paraventricular nucleus of the thalamus to the forebrain, with special emphasis on the extended amygdala.   Li S and Kirouac GJ.    2007.  Journal of Comparative Neurology, volume 506, pages 263-287.

(2248) Motor cortex maps articulatory features of speech sounds.   Pulvermüller F, Huss M, Kherif F, Moscoso del Prado Martin F, Hauk O and Shtyrov Y.   2006.   Proceedings of the National Academy of Sciences of the United States of America, volume 103, pages 7865-7870.

(2249) Sustained activity in topographic areas of human posterior parietal cortex during memory-guided saccades.   Schluppeck D, Curtis CE, Glimcher PW and Heeger DJ.   2006.   Journal of Neuroscience, volume 26, pages 5098-5108.

(2250) Inequity responses of monkeys modified by effort.   van Wolkenten M, Brosnan SF and de Waal FB.   2007.   Proceedings of the National Academy of Sciences of the United States of America, volume 104, pages 18854-18859.