Peripheral Facial Features Guiding Eye Movements and Reducing Fixational Variability

2021 ◽  
Author(s):  
Nicole X Han ◽  
Puneeth N. Chakravarthula ◽  
Miguel P. Eckstein
Keyword(s):  
Eye Movements ◽  
Spatial Configuration ◽  
Oculomotor System ◽  
Facial Features ◽  
Robust Solution ◽  
The Face ◽  
And Gender ◽  
Social Importance ◽  
Fixation Variability

Face processing is a fast and efficient process due to its evolutionary and social importance. A majority of people direct their first eye movement to a featureless point just below the eyes that maximizes accuracy in recognizing a person's identity and gender. Yet, the exact properties or features of the face that guide the first eye movements and reduce fixational variability are unknown. Here, we manipulated the presence of the facial features and the spatial configuration of features to investigate their effect on the location and variability of first and second fixations to peripherally presented faces. Results showed that observers can utilize the face outline, individual facial features, and feature spatial configuration to guide the first eye movements to their preferred point of fixation. The eyes have a preferential role in guiding the first eye movements and reducing fixation variability. Eliminating the eyes or altering their position had the greatest influence on the location and variability of fixations and resulted in the largest detriment to face identification performance. The other internal features (nose and mouth) also contribute to reducing fixation variability. A subsequent experiment measuring detection of single features showed that the eyes have the highest detectability (relative to other features) in the visual periphery providing a strong sensory signal to guide the oculomotor system. Together, the results suggest a flexible multiple-cue approach that might be a robust solution to cope with how the varying eccentricities in the real world influence the ability to resolve individual feature properties and the preferential role of the eyes.

B6112—Art after All: The Alleged Occupation of the Volksbühne am Rosa-Luxemburg-Platz

2018 ◽  
Vol 59 (2) ◽  
pp. 276-281
Author(s):  
Sarah Waterfeld
Keyword(s):  
Gender Inequality ◽  
Global Citizenship ◽  
Self Organization ◽  
World Community ◽  
Resistance Strategies ◽  
Theatre Production ◽  
The Face ◽  
And Gender ◽  
Rosa Luxemburg

B6112 is a collective anticapitalist, feminist, antiracist, and queer transmedial theatre production. Welcome to our artwork! Our theatre, our art, our poetry, and our work are weapons of struggle. Art does not take place in a political, social, or economic vacuum. Art takes place in world structured by imperialism and its slaughter, war, destruction, commerce, and slavery. Art must engage with this in both content and form. Otherwise it is obsolete. B6112 advocates a theatre that calls for revolution, reveals relationships of domination, denounces grievances, names guilty parties, presents resistance strategies, explores them, rejects them. B6112 stands for the elimination of nationalisms and gender inequality, for a global citizenship, for a world community in which all people peacefully coexist in equal living conditions. B6112 stands for self-organization and emancipation, for a hierarchy-free theatre that has a mimetic and thus exemplary effect on society. In the face of global disasters, we reject an entertainment theatre or a theatre of display that acts as an opiate in the society. Only when our goals have been achieved will we be able to renegotiate the role of the theatre for our society, redefine its content, and redefine the question of relevance.

scholarly journals Face Detection and Gender Classification using Facial Features

2019 ◽  
Vol 8 (4) ◽  
pp. 6670-6674
Keyword(s):  
Face Recognition ◽  
Face Detection ◽  
Recognition System ◽  
Facial Features ◽  
Gender Classification ◽  
Biometric System ◽  
Detection Techniques ◽  
The Face ◽  
And Gender ◽  
Two Stages

Face Recognition is the most important part to identifying people in biometric system. It is the most usable biometric system. This paper focuses on human face recognition by calculating the facial features present in the image and recognizing the person using features. In every face recognition system follows the preprocessing, face detection techniques. In this paper mainly focused on Face detection and gender classification. They are performed in two stages, the first stage is face detection using an enhanced viola jones algorithm and the next stage is gender classification. Input to the video or surveillance that video converted into frames. Select few best frames from the video for detecting the face, before the particular image preprocessed using PSNR. After preprocessing face detection performed, and gender classification comparative analysis done by using a neural network classifier and LBP based classifier

scholarly journals Looking for Infrequent Faces: Visual Patterns and Gender Effect in Detecting Crying and Smiling Expressions

SAGE Open ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 215824402092335
Author(s):  
Rong Shi
Keyword(s):  
Facial Expressions ◽  
Mouth Area ◽  
Viewing Time ◽  
Facial Features ◽  
Behavioral Reactions ◽  
Basic Emotions ◽  
Visual Patterns ◽  
And Gender ◽  
Expression Processing

Previous research has focused on documenting the perceptual mechanisms of facial expressions of so-called basic emotions; however, little is known about eye movement in terms of recognizing crying expressions. The present study aimed to clarify the visual pattern and the role of face gender in recognizing smiling and crying expressions. Behavioral reactions and fixations duration were recorded, and proportions of fixation counts and viewing time directed at facial features (eyes, nose, and mouth area) were calculated. Results indicated that crying expressions could be processed and recognized faster than that of smiling expressions. Across these expressions, eyes and nose area received more attention than mouth area, but in smiling facial expressions, participants fixated longer on the mouth area. It seems that proportional gaze allocation at facial features was quantitatively modulated by different expressions, but overall gaze distribution was qualitatively similar across crying and smiling facial expressions. Moreover, eye movements showed visual attention was modulated by the gender of faces: Participants looked longer at female faces with smiling expressions relative to male faces. Findings are discussed around the perceptual mechanisms underlying facial expressions recognition and the interaction between gender and expression processing.

Facial feminisation: an overview of the role of the surgeon and orthodontist

2019 ◽  
Vol 46 (2) ◽  
pp. 148-154 ◽  
Author(s):  
Kate Parker ◽  
Farhad B Naini ◽  
Daljit S Gill ◽  
Keith Altman
Keyword(s):  
Facial Features ◽  
Facial Appearance ◽  
Patient Assessment ◽  
Detailed Understanding ◽  
Good Patient ◽  
Assessment And Treatment ◽  
The Face ◽  
The Common ◽  
Male To Female

Facial feminisation surgery (FFS) aims to feminise the face by changing masculine facial features to feminine ones. It is commonly undertaken for transsexual individuals who are transitioning from male to female or for women who wish to further feminise their facial appearance. Assessment and treatment planning by a multidisciplinary team is essential for any patient considering FFS. Orthodontists have an important role within this team as patients may first present to an orthodontist expressing concerns about the appearance of their jaws. Therefore, it is important that orthodontists have a detailed understanding of FFS procedures, to enable good patient communication, thorough patient assessment and onwards referral where required. This article reviews the common FFS procedures, their indications, and the benefits and risks of each procedure and highlights the role of the orthodontist.

scholarly journals Orienting to threat: faster localization of fearful facial expressions and body postures revealed by saccadic eye movements

2009 ◽  
Vol 276 (1662) ◽  
pp. 1635-1641 ◽  
Author(s):  
Rachel L Bannerman ◽  
Maarten Milders ◽  
Beatrice de Gelder ◽  
Arash Sahraie
Keyword(s):  
Eye Movements ◽  
Saccadic Eye Movements ◽  
Oculomotor System ◽  
The Body ◽  
Body Postures ◽  
Related Information ◽  
Face Images ◽  
Manual Responses ◽  
The Face ◽  
Presentation Time

Most studies investigating speeded orientation towards threat have used manual responses. By measuring orienting behaviour using eye movements a more direct and ecologically valid measure of attention can be made. Here, we used a forced-choice saccadic and manual localization task to investigate the speed of discrimination for fearful and neutral body and face images. Fearful/neutral body or face pairs were bilaterally presented for either 20 or 500 ms. Results showed faster saccadic orienting to fearful body and face emotions compared with neutral only at the shortest presentation time (20 ms). For manual responses, faster discrimination of fearful bodies and faces was observed only at the longest duration (500 ms). More errors were made when localizing neutral targets, suggesting that fearful bodies and faces may have captured attention automatically. Results were not attributable to low-level image properties as no threat bias, in terms of reaction time or accuracy, was observed for inverted presentation. Taken together, the results suggest faster localization of threat conveyed both by the face and the body within the oculomotor system. In addition, enhanced detection of fearful body postures suggests that we can readily recognize threat-related information conveyed by body postures in the absence of any face cues.

scholarly journals Sad people are more accurate at expression identification with a smaller own-ethnicity bias than happy people

2018 ◽  
Vol 71 (8) ◽  
pp. 1797-1806
Author(s):  
Peter J Hills ◽  
Dominic M Hill
Keyword(s):  
Eye Movements ◽  
Eye Tracking ◽  
Sampling Strategy ◽  
Facial Features ◽  
Expression Recognition ◽  
Identification Task ◽  
Happy People ◽  
Identity Recognition ◽  
Enhanced Expression ◽  
The Face

Sad individuals are more accurate at face identity recognition, possibly because they scan more of the face during encoding. During expression identification tasks, sad individuals do not fixate on the eyes as much as happier individuals. Fixating on features other than the eyes leads to a reduced own-ethnicity bias. This background indicates that sad individuals would not view the eyes as much as happy individuals, and this would result in improved expression recognition and reduced own-ethnicity bias. This prediction was tested using an expression identification task with eye tracking. We demonstrate that sad-induced participants show enhanced expression recognition and a reduced own-ethnicity bias than happy-induced participants due to scanning more facial features. We conclude that mood affects eye movements and face encoding by causing a wider sampling strategy and deeper encoding of facial features diagnostic for expression identification.

scholarly journals Eyes Wide Shut: Gaze dynamics without vision,

2019 ◽  
Vol 12 (7) ◽  
Author(s):  
Susana Martinez-Conde ◽  
Bradley Buchsbaum ◽  
Fatema Ghasia ◽  
Freek Van Ede ◽  
Stephen L. Macknik
Keyword(s):  
Eye Movements ◽  
Video Stream ◽  
Oculomotor Control ◽  
Palm Trees ◽  
Human Ability ◽  
Born Child ◽  
The Face ◽  
The Impact ◽  
Mind's Eye

Video stream: https://vimeo.com/365522806 The human ability for visualization extends far beyond the physical items that surround us. We are able to dismiss the constant influx of photons hitting our retinas, and instead picture the layout of our kindergarten classroom, envision the gently swaying palm trees of our dream vacation, or foresee the face of a yet-to-be-born child. As we inspect imaginary objects and people with our mind’s eye, our corporeal eyeballs latch onto the fantasy. Research has found that our eyes can move as if seeing, even when there is nothing to look at. Thus, gaze explorations in the absence of actual vision have been reported in many contexts, including in visualization and memory tasks, and perhaps even during REM sleep. This symposium will present the manifold aspects of gaze dynamics in conditions when the visual input is impoverished or altogether absent. Presentations will address the characteristics of large and small eye movements during imagined and remembered scenes, the impact of visual field deficits on oculomotor control, and the role of eye movements in the future development of neural prosthetics for the blind.

scholarly journals Perceptual effects of unequal saccadic adaptation produced by a dichoptic step

2020 ◽  
Author(s):  
Anna Kosovicheva ◽  
Peter J. Bex
Keyword(s):  
Eye Movements ◽  
Three Dimensional ◽  
Oculomotor System ◽  
Saccadic Adaptation ◽  
Localization Errors ◽  
The Face ◽  
Shift Experiment ◽  
The Right ◽  
And Control ◽  
Binocular Coordination

The binocular coordination of eye movements in a three-dimensional environment involves a combination of saccade and vergence movements. To maintain binocular accuracy and control in the face of sensory and motor changes (that occur with e.g. normal aging, surgery, corrective lenses), the oculomotor system must adapt in response to manifest visual errors. This may be achieved through a combination of binocular and monocular mechanisms, including the recalibration of saccade and vergence amplitudes in response to different visual errors induced in each eye (Maiello, Harrison, & Bex, 2016). This work has used a double-step paradigm to recalibrate eye movements in response to visual errors produced by dichoptic target steps (e.g., leftward in the left eye and rightward in the right eye). Here, we evaluated the immediate perceptual effects of this adaptation. Experiment 1 measured localization errors following adaptation, by comparing the apparent locations of pre- and post- saccadic probes. Consistent with previous work showing localization errors following saccadic adaptation, our results demonstrated that adaptation to a dichoptic step produces different localization errors in the two eyes. Furthermore, in Experiment 2, this effect was reduced for a vergence shift in the absence of a saccade, indicating that saccade programming is responsible for a large component of this illusory shift. Experiment 3 measured post-saccadic stereopsis thresholds and indicated that, unlike localization judgments, adaptation did not influence stereoacuity. Together, these results demonstrate novel dichoptic visual errors following oculomotor adaptation, and point to monocular and binocular mechanisms involved in the maintenance of binocular coordination.

scholarly journals Identidade e lugar na metafenomenologia da alteridade Payayá

GeoTextos ◽  
2019 ◽  
Vol 15 (2) ◽  
Author(s):  
Jamille Da Silva Lima
Keyword(s):  
Latin American ◽  
Emmanuel Levinas ◽  
The Other ◽  
Main Question ◽  
Resistance Movements ◽  
The Face ◽  
Sense Of Identity ◽  
And Gender

A relação lugar-identidade apresenta uma ambivalência que vai da celebração à condenação, ganhando novo fôlego após os anos 1990 tanto com a relevância que os movimentos identitários de resistência (étnicos, raciais e de gênero) alcançaram, na luta pelo lugar, enquanto território, quanto na força que o clamor pelo respeito à diferença e pelo reconhecimento do sentido opressor e colonial da identidade receberam, questionando o papel dos processos de territorialização nos conflitos e na negação da diferença que promovem a captura do Outro pelo Mesmo. Deslocamos a questão da relação identidade-diferença para o nexo consciência-lugar, desfazendo esta associação que dá relevo ao sentido frente ao sem-sentido. A prevalência da consciência é compreendida como um dos instrumentos da razão imperialista-colonizadora, eurocêntrica, e por isso é necessário fissurá-la para um outro sentido geográfico de identidade. Mas como significar nossa relação geográfica e sua implicação para a identidade libertando-se das amarras da consciência e dos modelos coloniais de intelecção do ser? Este é o principal questionamento mobilizador do artigo, o qual será enfrentado a partir da experiência com os indígenas Payayá e da interlocução com a filosofia de Emmanuel Lévinas, como metafenomenologia, no sentido de um pensamento descolonial latino-americano. Abstract IDENTITY AND PLACE IN THE METAPHENOMENOLOGY OF THE PAYAYÁ’S ALTERITY The identity-place relationship presents an ambivalence that goes from celebration to condemnation, gaining a new impetus after the 1990s, both with the relevance that identity resistance movements (ethnic, racial and gender) have achieved, fighting for the place – as territory –, as with the strength that crying for respect differences and the oppressive and colonial sense of identity received, questioning the role of the territorialization processes in the conflicts and in the denial of the distinctions that promote the capture of the Other by the Same. We move the question of the identity-difference relationship to the nexus between consciousness-place, undoing this association that gives relevance to sense in the face of the non-sense. The prevalence of consciousness is understood as one of the instruments of the imperialist colonizing reason, Eurocentric, and therefore it is necessary to break it into another geographical sense of identity. But how do we give meaning to our geographical relationship and its implication to identity, freeing ourselves from the bonds of consciousness and the colonial models of the intellection of being? This is the main question that mobilized the paper, which will be faced from the experience with the Payayá natives and the interlocution with the philosophy of Emmanuel Lévinas, as methaphenomenology, toward a Latin American descolonial thinking.

Effects of Briefly Presented Masked Emotional Facial Expressions on Gaze Behavior: An Eye-Tracking Study

2018 ◽  
Vol 122 (4) ◽  
pp. 1432-1448 ◽  
Author(s):  
Charlott Maria Bodenschatz ◽  
Anette Kersting ◽  
Thomas Suslow
Keyword(s):  
Eye Movements ◽  
Facial Expression ◽  
Eye Tracking ◽  
Facial Expressions ◽  
Affective Priming ◽  
Facial Features ◽  
Emotional Facial Expressions ◽  
Mouth Region ◽  
The Face ◽  
Eye Region

Orientation of gaze toward specific regions of the face such as the eyes or the mouth helps to correctly identify the underlying emotion. The present eye-tracking study investigates whether facial features diagnostic of specific emotional facial expressions are processed preferentially, even when presented outside of subjective awareness. Eye movements of 73 healthy individuals were recorded while completing an affective priming task. Primes (pictures of happy, neutral, sad, angry, and fearful facial expressions) were presented for 50 ms with forward and backward masking. Participants had to evaluate subsequently presented neutral faces. Results of an awareness check indicated that participants were subjectively unaware of the emotional primes. No affective priming effects were observed but briefly presented emotional facial expressions elicited early eye movements toward diagnostic regions of the face. Participants oriented their gaze more rapidly to the eye region of the neutral mask after a fearful facial expression. After a happy facial expression, participants oriented their gaze more rapidly to the mouth region of the neutral mask. Moreover, participants dwelled longest on the eye region after a fearful facial expression, and the dwell time on the mouth region was longest for happy facial expressions. Our findings support the idea that briefly presented fearful and happy facial expressions trigger an automatic mechanism that is sensitive to the distribution of relevant facial features and facilitates the orientation of gaze toward them.

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