Introduction

The basic theory under examination using the functional magnetic resonance was that 12 out of 15 subjects in the fusi-form gyrus were more active when viewed through the faces than when they were viewed through the use of the assorted common objects (Kanwisher, et al. 2007). Through the collected data for the study, the researcher may reject alternative accounts of the fusiform face area function which appeals visual attention, general processing, subordinate level classification  of any human forms or any animate hence demonstrating that the specific region might selectively be involved in the face perception. The research shall describe the theory under study, experimental control and design, the results of the study and how the hypotheses were confirmed.

Methods

The experimental design for the study involved the use of the general design where the examination of any occipitotemporal areas were used to examine the face perception specialization by looking through each subjects regions in the ventral pathway which responds more strongly on the passive viewing of the faces photographs than the assorted common objects photographs. Through the use of the general design the faces area within each specific subject are localized. The tests for the subjects’ part II and III were experienced on the basic face in relation to the object comparison of part I in order to ensure that the results of Part I would be used to generate regions of interests to be compared in part two and three. The control group for the study involved twenty subjects under the age of forty (Kanwisher, et al. 2007). Out of the 15 subjects, 6 were men or 9 were women. Nevertheless, 2 participants of the subjects were considered to be left hand while 13 participants of the subjects were right handed.

The technique used in the study was based on the stimuli sampling of the subjects of the study. The stimuli that were supposed to be used in the study were estimated to be approximately 300 times 300 pixels in size and were supposed to be gray scale photographs apart from the scrambled and intact two tone faces used in part two. The photograph faces used in part one and two were volunteers from the Harvard Vision Sciences laboratory (Kanwisher, et al. 2007). Each subjects scan lasted for a span of five minutes and twenty seconds. The stimuli sequences were generated through the use of the MacProbe software and they were recorded onto the video tape and projector respectively. The scans were conducted under the one point five T MRI Scanner.

Results

The first part of the study was to establish whether any brain areas were more active in the face viewing that the object viewing. The results revealed that the right section of the fusiform gyrus produces higher signal of intensity of the faces epochs than when the epochs of the subjects were presented. The results are visible for a single subject whose data has been smoothened.  The right fusiform gyrus was the only region of most of the subjects’ significant activation for the faces over the objects. In addition, the fusiform activations for the faces in comparison to the objects were observed in 12 out 15 fusiform regions of the subjects which were analyzed (Kanwisher, et al. 2007). The failure to see the activation regions of the faces would be difficult as a result of susceptibility artifact, insufficient statistical power and technical limitations.

There is a significant variation between the control and experimental group because the region in specific subject of the fusiform gyus responds more strongly to the faces than on the objects. Moreover, the subject’s fusiform gyrus are more strongly connected that the two tone faces which have been scrambled (Kanwisher, et al. 2007). There is also significant difference between the control and experimental group because there is always greater visual attention on the faces than the objects, there exists a different response on the animate than the inanimate objects and there still exists subordinated level classification. There exists a significant correlation between the critical variables in part one and three but there existed a difference between these two parts and part one of the experiment and control subject of the study.

Discussion

The original hypothesis of the study that which was to evaluate whether the face area was strongly intact than scrambled two tone faces was confirmed when the fusiform gyrus region of twelve out of the 15 subjects of the study were confirmed to be more stronger that the passive view of the face and the object stimuli. The study confirmed that the individual subjects identified were used as the particular region of interest within which extra tests of the face were selected and evaluated. One of the test of the study revealed that the region of interest of the face of each of the five subjects of the study responded strongly to the intact two tone faces in comparison to the scrambled versions of the same faces (Kanwisher, et al. 2007). The result ruled out the luminance variation in accounting of the face activation. The region of interests is believed to six times greater than the summation of the signal increase across the subjects’ faces in comparison to the passive viewing of the houses. The result revealed high degree of stimulus demonstration and selectivity that the face of the regions of interest do not respond to the set of subjects under the same category. The result revealed that the regions do not respond to any human images and body parts and the results generalize the response of the images of the faces which were taken from the different low level visual features from the original face images.

Evaluation

As a matter of fact the experiments were well controlled because they were categorized into three parts that is part one, two and three. The experiments address the hypothesis of the study because they evaluated how fusiform gyrus region influenced the faces of the subjects under evaluation. There is an alternative explanation for the results because through the study we came to realize that full front view photographs are stronger than the scrambled two tone faces in different set of the five subjects (Kanwisher, et al. 2007). The follow up study would be to establish whether the fusiform gyrus region may be activated by introducing the global or holistic process on the non-face stimuli and whether the response of the region faces might be attenuated in case the subjects are persuades to process the faces in a part based fashion.