Sökning: "Face Perception"

Visar resultat 1 - 5 av 69 avhandlingar innehållade orden Face Perception.

  1. 1. The Face of Sleep Loss

    Författare :Tina Sundelin; John Axelsson; Clare Anderson; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; sleep loss; sleep deprivation; face perception; interpersonal perception; attractiveness; tiredness; Psychology; psykologi;

    Sammanfattning : Sleep deprivation has been studied for over a century, providing knowledge about the benefits of sleep for many physiological, cognitive, and behavioural functions. However, there have only been anecdotal indications about what a tired or sleep-deprived person looks like, despite the fact that appearance influences not only how other people perceive a person but also how they evaluate them and behave towards them. LÄS MER

  2. 2. Reinforcement Learning for Active Visual Perception

    Författare :Aleksis Pirinen; Mathematical Imaging Group; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; computer vision; reinforcement learning; deep learning; active vision; object detection; human pose estimation; semantic segmentation;

    Sammanfattning : Visual perception refers to automatically recognizing, detecting, or otherwise sensing the content of an image, video or scene. The most common contemporary approach to tackle a visual perception task is by training a deep neural network on a pre-existing dataset which provides examples of task success and failure, respectively. LÄS MER

  3. 3. Expecting Happy Women, Not Detecting the Angry Ones : Detection and Perceived Intensity of Facial Anger, Happiness, and Emotionality

    Författare :Tonya S. Pixton; Åke Hellström; Maria Larsson; James A. Russell; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Signal Detection Perception ; Happiness; Anger; Face Perception; Facial Expressions; Superiority Effects; Gender Differences; Response Bias; Scaling; Euclidean Distance; Psychology; Psykologi; Psychology; psykologi;

    Sammanfattning : Faces provide cues for judgments regarding the emotional state of individuals. Using signal-detection methodology and a standardized stimulus set, the overall aim of the present dissertation was to investigate the detection of emotional facial expressions (i.e., angry and happy faces) with neutral expressions as the nontarget stimuli. LÄS MER

  4. 4. The effects of valenced odors on facial perception

    Författare :Elmeri Syrjänen; Jonas Olofsson; Håkan Fischer; Thomas Hummel; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Valenced odors; Facial expressions; Disgust; Happiness; Olfaction; Emotion; Reaction Times; Evaluation; Ratings; EEG; ERP; N170; Psychology; psykologi;

    Sammanfattning : We use our senses to navigate in the world. An important property of olfaction, the sense of smell, is to enable us to approach beneficial things, and to avoid what might be toxic or otherwise harmful in our environment. Other peoples’ behaviors are also paramount for our survival. LÄS MER

  5. 5. It's All in the Brain : A Theory of the Qualities of Perception

    Författare :Jesper Östman; Pär Sundström; Howard Robinson; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Philosophy of perception; philosophy of consciousness; hallucination; phenomenal qualities; qualia; sense data; physicalism; Russell; disjunctivism; representationalism; brain theory; color; the brain; Theoretical Philosophy; teoretisk filosofi;

    Sammanfattning : This dissertation concerns the location and nature of phenomenal qualities. Arguably, these qualities naively seem to belong to perceived external objects. However, we also seem to experience phenomenal qualities in hallucinations, and in hallucinations we do not perceive any external objects. LÄS MER