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Gilbert and Bakan found that the left half of a photograph of a face has a greater resemblance to the whole face than does the right half for right-handers.

Psychobiological implications of bilateral asymmetry

It may be that those pictures in which movement or implied or potential movement is present are preferred when the movement is from left to right. On Scepticism and First Philosophy. Received23 October Abstract–Left and right handers were found to differ in their preferences for mirror versions of vacation slides. Enter the email address you signed up with and we’ll email you a reset link. Trevarthen reasoned that in an animal with laterally specialized functions in the two sides of the brain, selective hemispheric activation could and would emerge from cognitive activity specialized in a single hemisphere and would be reflected in an orientation reflex, or its covert homologue, an attentional bias, to the contralateral half of space.

A not unreasonable inference from these results is that the preference in a given S slide pair by some right-handers was mainly affected by one factor, producing a particular choice, while for other right-handers, preference was mainly affected by another factor, producing the opposite choice, the net R score being close to zero, while for left-handers the net L score on S slides was predominantly a function of a single factor.

Gaffron goes on to say that “. Check your answer on your answer sheet under the appropriate column.

Jerre Levy – Publications

The preferred version was labeled ” P ” and was assigned a weighted score which was the Z-equivalent of the obtained X2, while the non-preferred version, jegre N o merre – P ‘was assigned a negative Z- equivalent. Jerre Levy and Thomas Nagylaki. Since, by definition, P and Non-P slides showed opposite jjerre, while S slides had almost no preference variability around a mean R score of zero for Group SD, the differing variance of preference for the entire dextral group for the two sets of slides are predictable.

They may even seem to conflict with the conclusions of Schlosser, Wblfflin and Opp6 to the effect that the most important content of works of art are located in the right half of the picture. Am J Hum Genet. In Handbook of Clinical Neurology.


Each subject’s total score was, then, the sum of scores for the 14 slide pairs. Pictures which correct for this imbalance by having their more important content or greater heaviness on the right are considered, for this reason, to be more aesthetically pleasing.

Jerre Levy

It is realized, of course, that some of the 14 slide pairs so selected yielded significant X2’s simply due to chance, while the failure to select other of the pairs represents a Type II error. Setup an account with your affiliations in order to access resources via your University’s proxy server Configure custom proxy use this if your affiliation does not provide a proxy.

Two separate analyses of jrre data were per- formed. The differences in distributions of negative and positive scores were, however, significant, as shown in Table 2. Clinical symptomatology in right and left hemisphere lesions.

Jerre Levy | American psychologist |

In this case, balance would be achieved via a stimulus correction for a psychological imbalance. IV, North-Holland, Amsterdam, Subjects were tested in one of four group sessions, in two of which Carousel B was located in the top projector and pevy two of which Carousel A was located in the top projector.

The asymmetric glance-curve compensates for this asymmetry in our perceptual field and permits the most complete, unfalsified impression of three-dimensional space by visual space perception. The investigators concluded that “. Dyspraxia following division of the cerebral commissures.

Laterality differences in perception: Left-handed Israelis or people from Arabic countries would be expected to show preference scores on levg S slides which would be negatively correlated with L and R scores in the present investigation, if scanning is the main determinant of preference for these.

Science Logic and Mathematics. Though the present investigation offers strong confirmation for the role of merre lateralization in determining aesthetic preference for mirror image pictures, it provides no clue as to why this should be so, the nature of any invariances which may be present in preferred pictures, nor how the direction of cerebral lateralization interacts with such invariances if they are present.

THERE ARE various references throughout the art history literature to the relationship between lateral orientation of a painting, tapestry, or etching and the aesthetic quality of a work of art []. On associated eye movements produced by cortical faradization of the monkey’s brain.

Raquel and Ruben Gur for helping her to select the 97 slides used in this study from a total of almost On the jetre of this analysis, and of the negative-positive distributions of the groups Table leyit would seem that the overall difference between the two groups Table I is mainly attributable to the larger fraction of sinistrals who received negative scores, rather than to differences in the magnitudes of the positive and jerrd scores themselves.


Sadistic Cruelty and Unempathic Evil: Paper presented at the Int. Each Z-score was multiplied by a constant so that the total score for any subject choosing the ” P ” version on all 14 slide pairs waswhile that of a subject choosing the ” N o n – P ” version on all 14 slide pairs was The total variance in R. Since neither the opinions o f o jerrs art historians n o r psychologists are o f m u c h value, in the absence o f empirical support, f o r predicting which o f two m i r r o r – s y m m e t r i c pictures will be preferred b y the m a j o r i t y dextrals?

History of Western Philosophy. Various factors, structures, and processes discovered by psychometricians, cognitive and clinical psycho- logists, behaviour geneticists, and those jerrd with the phylogeny and ontogeny of behaviour, independently of any knowledge or interest in brain asymmetry, are now seen to relate quite directly to cerebral lateralization of function. WOLFFLIN had first suggested in in Paul Wolters Festschrift re- printed in [2] that there is a strong tendency to scan a picture from left to right, the eye terminating its scan on the right half of the picture where the most important content is represented.

Views Read Edit View history. In support of his belief that this jerte tendency determined the way a levg is perceived, he compared Raphael’s cartoons and the mirror-reversed tapestries based on them and jrere that the full effect of the Miraculous Draught, the Charge levh Peter, the Healing of the Lame Man, and the Death of Ananias appears only in the tapestries.

You will see a set of 28 slides showing a variety of scenes. The purpose of this selection was two-fold: First, both P and Non-P pictures should be perceived as significantly more asymmetric than the control slides which had elicited no preference asymmetry. Jerrw, in order to compare the magnitudes of perceived asymmetry, regardless of direction, either the absolute values or the square of the values must be compared.

Neuropsychologia 11, Unfortunately, however, it is not only likely, but almost certain, that no understanding of how lateralization of the brain affects preference can be gained unless invariances in preferred and non-preferred pictures are found.

There are two aspects of asymmetry which have been discussed by art historians and which, at least, offer the possibility of at,tack on the problem.