文獻上指出,左撇子(左利),以及家族性左利都是影響語言側化的因素。軀體特異性假設(body-specificity hypothesis) (Casasanto, 2009) 指出,人們較易將慣用手側與正向 概念聯結在一起。本研究旨在探討情緒詞處理是否也能在此軀體特異性假設上得到驗證。 實驗採用分視野實驗典範,實驗刺激為中文雙字詞,有三個水準:正向情緒詞、中性詞, 及負向情緒詞。受試者則招募了左手慣用者、有家族左撇的右手慣用者以及無家族左撇 的右手慣用者,每組受試者約三十人。本實驗假設,當正面詞彙呈現在與慣用手同側的 視野時,受試者反應速度較快。實驗結果沒有支持軀體特異性假設,但是三組受試者於 作答精確度以及反應速度上皆呈現了字詞辨識文獻中常觀察到的右視野優勢。實驗結果 也觀察到顯著的效價效果(valence effect),亦即受試者對於正面詞作答反應最快,負面 詞次之,中性詞速度最慢。此外,比較左右視野的情緒詞作答精確度,發現只有左視野 /右腦的情緒詞(正面詞或負面詞)對比中性詞有顯著精確度差異,右視野/左腦則無此 情緒效果,此結果呼應了常現於情緒處理文獻的左視野/右腦優勢。最後,比較三組受 試者,我們觀察到左撇子組別的詞彙表徵較為雙側化,此發現也與現存的左利與語言半 腦優勢文獻不謀而合。

Left-handedness, as well as familial sinistrality (FS), has been shown to influence the language lateralization. According to the body-specificity hypothesis, people tend to associate their dominant side of space with positive ideas than the contrary sides. The current study aimed to investigate whether the body-specificity hypothesis extended to emotion word processing. A divided visual field paradigm was employed, and the experimental materials were bisyllabic Chinese words manipulated by valence at three levels (positive, neutral, negative). Participants were also specifically recruited, with roughly 30 individuals in the left-handed group, FS+ group and FS- group respectively. It was hypothesized that shorter RTs might be observed when the positive words were presented to the visual field ipsilateral to one’s dominant hand. The results of the current study did not support the body-specificity hypothesis. However, our data showed a robust RVF advantage on both accuracy rates and RTs in all three subject groups commonly reported in studies on word recognition. The data also revealed significant valence effect, with positive stimuli being most swiftly responded to, negative stimuli longer RTs, and neutral words longest RTs. Moreover, it was found when comparing the two visual fields that only LVF/RH, but no RVF/LH, exhibited accuracy contrasts between valenced words and neutral words, which echoed the LVF/RH advantage commonly reported in emotion processing studies. Last but not least, with the comparisons between visual fields across three groups, we also observed a somewhat bilateral lexical representation in the left-handed group, which joins the existing literature on the investigation of handedness and language dominance.

Alves, N. T., Aznar-Casanova, J. A., & Fukusima, S. S. (2009). Patterns of brain asymmetry in the perception of positive and negative facial expressions.Laterality: Asymmetries of Body, Brain and Cognition, 14(3), 256-272.
Andrews, R. J. (1977). Aspects of language lateralization correlated with familial handedness. Neuropsychologia, 15(6), 769-778.
Atchley, R. A., Ilardi, S. S., & Enloe, A. (2003). Hemispheric asymmetry in the processing of emotional content in word meanings: The effect of current and past depression. Brain and language, 84(1), 105-119.
Banich, M. T. (2003). The divided visual field technique in laterality and interhemispheric integration. In Experimental methods in neuropsychology (pp. 47- 63). Springer US.
Basic, S., Hajnsek, S., Poljakovic, Z., Basic, M., Culic, V., & Zadro, I. (2004). Determination of cortical language dominance using functional transcranial Doppler sonography in left- handers. Clinical Neurophysiology, 115(1), 154-160.
Beck, A.T., Ward, C. H., Mendelson, M., Mock, J., & Erbaugh, J. (1961) An inventory for measuring depression. Archives of General Psychiatry, 4, 561-571.
Bever, T. G., Carrithers, C., Cowart, W., & Townsend, D. J. (1989). Language processing and familial handedness. From reading to neurons, 341-357.
Borod, J. C. (1992). Interhemispheric and intrahemispheric control of emotion: a focus on unilateral brain damage. Journal of consulting and clinical psychology,60(3), 339.
Borod, J. C., Andelman, F., Obler, L. K., Tweedy, J. R., & Wilkowitz, J. (1992). Right hemisphere specialization for the identification of emotional words and sentences: Evidence from stroke patients. Neuropsychologia, 30(9), 827-844.
Boroditsky, L. (2000). Metaphoric structuring: Understanding time through spatial metaphors. Cognition, 75(1), 1-28.
Brookshire, G., & Casasanto, D. (2012). Motivation and motor control: hemispheric specialization for approach motivation reverses with handedness.PLoS One, 7(4), e36036.
Bryden, M. P. (1964). Tachistoscopic recognition and cerebral dominance.Perceptual and Motor Skills.
Bryden, M. P., Hecaen, H., & DeAgostini, M. (1983). Patterns of cerebral organization. Brain and language, 20(2), 249-262.
Cacioppo, J. T., & Berntson, G. G. (1994). Relationship between attitudes and evaluative space: A critical review, with emphasis on the separability of positive and negative substrates. Psychological bulletin, 115(3), 401.
Carmon, A., & Nachshon, I. (1973). Ear asymmetry in perception of emotional non-verbal stimuli. Acta psychologica, 37(6), 351-357.
Casasanto, D. (2008). Who's afraid of the big bad Whorf? Crosslinguistic differences in temporal language and thought. Language learning, 58(s1), 63-79.
Casasanto, D. (2009). Embodiment of abstract concepts: good and bad in right-and left- handers. Journal of Experimental Psychology: General, 138(3), 351.
Chan, C. Y. (1986). Grade, gender role, interpersonal . Unpublished master thesis, National Taiwan Normal University, Taipei, Taiwan.
Cicero, B. A., Borod, J. C., Santschi, C., Erhan, H. M., Obler, L. K., Agosti, R. M., ... & Grunwald, I. S. (1999). Emotional versus nonemotional lexical perception in patients with right and left brain damage. Cognitive and Behavioral Neurology, 12(4), 255-264.
Corballis, M. C. (1991). The lopsided ape: Evolution of the generative mind. Oxford University Press.
Davidson, R. J., & Fox, N. A. (1982). Asymmetrical brain activity discriminates between positive and negative affective stimuli in human infants. Science,218(4578), 1235-1237.
Davis, M. H. (1980). A multidimensional approach to individual differences in empathy. JSAS Catalog of Selected Documents in Psychology, 10, 85.
Davis, M. H. (1983). Measuring individual differences in empathy: Evidence for a multidimensional approach. Journal of personality and social psychology,44(1), 113.
Franks, J. E., Davis, T. R., Totty, R. N., Hardcastle, R. A., & Grove, D. M. (1985). Variability of stroke direction between left-and right-handed writers.Journal of the Forensic Science Society, 25(5), 353-370.
Gazzaniga, M. S. (ed.) (2004). The cognitive neurosciences. 4th ed. p.791 MIT press. Gazzaniga, M. S., & Sperry, R. W. (1967). Language after section of the cerebral
commissures. Brain, 90(1), 131-148.
Gentner, D., Bowdle, B., Wolff, P., & Boronat, C. (2001). Metaphor is like analogy. The
analogical mind: Perspectives from cognitive science, 199-253.
Gilbert, A. N., & Wysocki, C. J. (1992). Hand preference and age in the United States. Neuropsychologia, 30(7), 601-608.
Graves, R., Landis, T., & Goodglass, H. (1981). Laterality and sex differences for visual recognition of emotional and non-emotional words. Neuropsychologia,19(1), 95-102.
Greenhouse, S. W., & Geisser, S. (1959). On methods in the analysis of profile data. Psychometrika, 24(2), 95-112.
Hancock, R., & Bever, T. G. (2010). Familial sinistrality effects in probe word recognition. In Poster presented at Neurobiology of Language Conference, San Diego, CA.[November 11-12, 2010].
Hancock, R., & Bever, T. G. (2013). Genetic factors and normal variation in the organization of language. Biolinguistics, 7, 75-95.
Harmon-Jones, E., Gable, P. A., & Peterson, C. K. (2010). The role of asymmetric frontal cortical activity in emotion-related phenomena: A review and update. Biological psychology, 84(3), 451-462.
necht, S., Dr ger, B., Deppe, M., Bobe, L., Lohmann, H., Fl el, A., ... & Henningsen, H. (2000). Handedness and hemispheric language dominance in healthy humans. Brain, 123(12), 2512-2518.
Kousta, S. T., Vinson, D. P., & Vigliocco, G. (2009). Emotion words, regardless of polarity, have a processing advantage over neutral words. Cognition, 112(3), 473-481.
Ku, L. C. & Chan, H. H. (2014). The Modulation of Personality on Chinese Emotion Word Processing with Different Lexical Categories: An ERP Study. Unpublished master thesis, National Taiwan Normal University, Taipei, Taiwan.
Lakoff, G., & Johnson, M. (1980). The metaphorical structure of the human conceptual system. Cognitive science, 4(2), 195-208.
Lakoff, G., & Johnson, M. (1999). Philosophy in the flesh: The embodied mind and its challenge to western thought. Basic books.
Ley, R. G., & Bryden, M. P. (1979). Hemispheric differences in processing emotions and faces. Brain and language, 7(1), 127-138.
Landis, T., Graves, R., & Goodglass, H. (1982). Aphasic reading and writing: Possible evidence for right hemisphere participation. Cortex, 18(1), 105-112.
Landis, T. (2006). Emotional words: what's so different from just words?. Cortex,42(6), 823- 830.
Lang, P. J., & Bradley, M. M. (2010). Emotion and the motivational brain.Biological psychology, 84(3), 437-450.
Lee, C. L., & Federmeier, . D. (2015). It’s All in the Family Brain Asymmetry and Syntactic Processing of Word Class. Psychological science, 26(7), 997-1005.
Luria, A. R. (1970). Traumatic aphasia: Its syndromes, psychology and treatment (Vol. 5). Walter de Gruyter.
McKeever, W. F., Seitz, K. S., Hoff, A. L., Marino, M. F., & Diehl, J. A. (1983). Interacting sex and familial sinistrality characteristics influence both language lateralization and spatial ability in right handers. Neuropsychologia, 21(6), 661-668.
McKeever, W. F., & VanDeventer, A. D. (1977). Visual and auditory language processing asymmetries: Influences of handedness, familial sinistrality, and sex.Cortex, 13(3), 225-241.
Meier, B. P., & Robinson, M. D. (2004). Why the sunny side is up associations between affect and vertical position. Psychological science, 15(4), 243-247.
Orbach, J. (1967). Differential recognition of Hebrew and English words in right and left visual fields as a function of cerebral dominance and reading habits.Neuropsychologia, 5(2), 127-134.
Oldfield, R. C. (1971). The assessment and analysis of handedness: the Edinburgh inventory. Neuropsychologia, 9(1), 97-113.
Perelle, I. B., & Ehrman, L. (1983). The development of laterality. Behavioral science, 28(4), 284-297.
Pinker, S. (1997). How the mind works. 1997. NY: Norton.
Rasmussen, T., & Milner, B. (1977). The role of early left‐ brain injury in determining lateralization of cerebral speech functions. Annals of the New York Academy of Sciences, 299(1), 355-369.
Rife, D. C. (1940). Handedness, with special reference to twins. Genetics,25(2), 178.
Riskind, J. H., & Gotay, C. C. (1982). Physical posture: Could it have regulatory or feedback effects on motivation and emotion?. Motivation and Emotion, 6(3), 273-298.
Stepper, S., & Strack, F. (1993). Proprioceptive determinants of emotional and nonemotional feelings. Journal of Personality and Social Psychology, 64(2), 211.
Suitner, C., Maass, A., Bettinsoli, M. L., Carraro, L., & Kumar, S. (2016). Left- handers’ struggle in a rightward world: The relation between horizontal spatial bias and effort in directed movements. Laterality: Asymmetries of Body, Brain and Cognition, 1-30.
Szaflarski, J. P., Binder, J. R., Possing, E. T., McKiernan, K. A., Ward, B. D., & Hammeke, T. A. (2002). Language lateralization in left-handed and ambidextrous people fMRI data. Neurology, 59(2), 238-244.
Townsend, D. J., Carrithers, C., & Bever, T. G. (2001). Familial handedness and access to words, meaning, and syntax during sentence comprehension. Brain and language, 78(3), 308- 331.
Tzourio, N., Crivello, F., Mellet, E., Nkanga-Ngila, B., & Mazoyer, B. (1998). Functional anatomy of dominance for speech comprehension in left handers vs right handers. Neuroimage, 8(1), 1-16.
Walsh, A., McDowall, J., & Grimshaw, G. M. (2010). Hemispheric specialization for emotional word processing is a function of SSRI responsiveness. Brain and cognition, 74(3), 332-340.
Willems, R. M., Hagoort, P., & Casasanto, D. (2010). Body-specific representations of action verbs neural evidence from right-and left-handers.Psychological Science, 21(1), 67-74.
Willems, R. M., Peelen, M. V., & Hagoort, P. (2010). Cerebral lateralization of face- selective and body-selective visual areas depends on handedness.Cerebral Cortex, 20(7), 1719-1725.
卓淑玲, 陳學志, & 鄭昭明. (2013). 台灣地區華人情緒與相關心理生理資料庫─ 中文情 緒詞常模研究. 中華心理學刊, 55(4), 493-523.
黃金蘭, Chung, C. K., Hui, N., 林以正, 謝亦泰, Lam, B. C. P., . . . Pennebaker, J. W. (2012). 中文版「語文探索與字詞計算」詞典之建立. [The Development of the Chinese Linguistic Inquiry and Word Count Dictionary]. 中華心理學刊, 54(2), 185- 201.
詹志禹, Zan, Z. Y. (1986). 年級、性別角色、人情取向與同理心(未出版碩士論文) 鄭昭明, 陳英孜, 卓淑玲, & 陳學志. (2013). 華人情緒類別的結構分析. [A Structure
Analysis of Chinese Emotions]. 中華心理學刊, 55(4), 417-438.