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        <article-title>AIxPAC 2024-Preface to the 2nd Workshop on Artificial Intelligence for Perception and Artificial Consciousness ⋆</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>Alessandro Bruno</string-name>
          <email>alessandro.bruno@iulm.it</email>
          <xref ref-type="aff" rid="aff2">2</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Arianna Pipitone</string-name>
          <email>arianna.pipitone@unipa.it</email>
          <xref ref-type="aff" rid="aff3">3</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Riccardo Manzotti</string-name>
          <email>riccardo.manzotti@iulm.it</email>
          <xref ref-type="aff" rid="aff2">2</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Agnese Augello</string-name>
          <email>agnese.augello@icar.cnr.it</email>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Pier Luigi Mazzeo</string-name>
          <email>pierluigi.mazzeo@cnr.it</email>
          <xref ref-type="aff" rid="aff1">1</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Giuseppe Mazzola</string-name>
          <email>giuseppe.mazzola@unipa.it</email>
          <xref ref-type="aff" rid="aff3">3</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Filippo Vella</string-name>
          <email>filippo.vella@icar.cnr.it</email>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <aff id="aff0">
          <label>0</label>
          <institution>ICAR Institute for High Performance Computing and Networking CNR</institution>
          ,
          <addr-line>Via Ugo La Malfa, 153, 90146 Palermo</addr-line>
          ,
          <country country="IT">Italy</country>
        </aff>
        <aff id="aff1">
          <label>1</label>
          <institution>ISASI Institute of Applied Sciences &amp; Intelligent Systems CNR</institution>
          ,
          <addr-line>Via Monteroni sn, 73100 Lecce</addr-line>
          ,
          <country country="IT">Italy</country>
        </aff>
        <aff id="aff2">
          <label>2</label>
          <institution>IULM University</institution>
          ,
          <addr-line>Via Carlo Bo 1, Milano, 20143</addr-line>
          ,
          <country country="IT">Italy</country>
        </aff>
        <aff id="aff3">
          <label>3</label>
          <institution>University of Palermo</institution>
          ,
          <addr-line>Via delle Scienze, Palermo, 90128</addr-line>
          ,
          <country country="IT">Italy</country>
        </aff>
      </contrib-group>
      <abstract>
        <p>The AIxPAC workshop seeks to unite academic and industry researchers to explore the latest developments in AI related to perception and consciousness. The event includes expert presentations on topics such as the physicalist ontology of consciousness, artificial consciousness, color perception, and computer vision. Key research questions addressed at AIxPAC include: Is it possible to integrate visual perception systems into machines? How effectively does AI handle visual attention processes? What is the connection between attention and consciousness? Can AI architectures and methodologies be leveraged to create Artificial Consciousness? What are the advantages and disadvantages of Large Language Models? These research questions encourage multidisciplinary collaboration and provide a foundation for critical analysis of the discussed topics</p>
      </abstract>
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      <title>1. Background and Motivations</title>
      <p>The remarkable progress achieved by Artificial Intelligence (AI) over the last few years has had
a profound impact on the fields of perception and consciousness. These advancements have not
only deepened our understanding of the human mind but have also paved the way for innovative
technologies that enhance human capabilities. Building on the success of the first edition, the
second edition of the workshop on Artificial Intelligence for Perception and Artificial
Consciousness (AIxPAC) aims to further explore these transformative developments.</p>
      <p>AIxPAC 2.0 continues its mission to bring together researchers from academia and industry to
exchange knowledge, foster collaboration, identify emerging research directions, and accelerate
the development of AI technologies that benefit society. This edition places a stronger emphasis
on interdisciplinary approaches, integrating insights from neuroscience, cognitive science, and
computer science to address the complex challenges of perception and consciousness.</p>
      <p>The study of the Human Vision System (HVS) has provided critical insights for developing
autonomous computer vision systems capable of identifying perceptually significant regions in
visual scenes. Similarly, the rapid evolution of Large Language Models (LLMs) has
demonstrated unprecedented performance in Natural Language Processing (NLP) tasks, pushing
the boundaries of what AI can achieve. Additionally, biologically inspired principles have led to
more robust and reliable face-detection techniques, further bridging the gap between human and
machine perception.</p>
      <p>These seemingly disparate research areas—ranging from visual perception to language models—
can be viewed as interconnected pieces of a larger puzzle. This holistic perspective raises a
fundamental question: "Can consciousness be represented and interpreted using an
internalist or externalist approach?" AIxPAC 2.0 delves deeper into this question, exploring
how advancements in AI can shed light on the nature of consciousness and its computational
representation.</p>
      <p>The workshop highlights the latest breakthroughs in AI, including:</p>
      <p>Large Language Models (LLMs): GPT-based virtual chatbot agents have continued to evolve,
demonstrating exceptional capabilities in text generation, question answering, language
translation, and creative content creation. The second edition of AIxPAC explores how these
models can be further refined to understand context, emotions, and even abstract reasoning.
Visual Perception: Models like CLIP (Contrastive Language–Image Pretraining) and ViT
(Vision Transformers) have achieved state-of-the-art performance in image recognition tasks.
These advancements enable AI systems to perceive and interpret the visual world with greater
accuracy, opening new possibilities for applications in healthcare, autonomous systems, and
augmented reality.</p>
      <p>Transformers: This revolutionary neural network architecture has transformed not only NLP
but also other domains, such as computer vision and speech processing. AIxPAC 2.0 examines
how transformers can be adapted for multimodal tasks, integrating text, images, and audio to
create more comprehensive AI systems.</p>
      <p>Artificial Consciousness: A new focus of the second edition is the exploration of artificial
consciousness. Researchers are investigating whether AI systems can develop a form of
selfawareness or subjective experience, drawing parallels with human consciousness. This includes
discussions on ethical implications, theoretical frameworks, and potential experimental
approaches.</p>
      <p>The impact of these advancements is already being felt across various industries. LLMs are
being used to develop intelligent virtual assistants, generate personalised content, and enhance
creative workflows. Visual perception models are powering autonomous vehicles, enabling them to
navigate complex environments with precision. Transformers are driving real-time translation
tools, breaking down language barriers and fostering global communication.</p>
      <p>AIxPAC 2.0 provides a critical platform for researchers to discuss these cutting-edge
developments and their societal implications. By fostering collaboration and interdisciplinary
dialogue, the workshop aims to accelerate the development of AI technologies that are not only
technologically advanced but also ethically sound and socially beneficial. In conclusion, the second
edition of AIxPAC builds on the foundation laid by its predecessor, offering a deeper exploration of
the intersection between AI, perception, and consciousness. As AI continues to evolve, workshops
like AIxPAC play a vital role in shaping the future of this transformative technology, ensuring that
it serves the greater good of humanity.</p>
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      <title>2. Accepted Papers</title>
      <p>This collection of papers explores cutting-edge advancements in artificial intelligence, spanning
topics such as the application of the Free Energy Principle and active inference in neural language
models, the emergence of social sentience in AI systems, and innovative strategies for health
misinformation detection. Additionally, the research delves into AI's ability to mimic human visual
attention for e-commerce optimization, real-time oil spill detection using deep learning, and a
comparative analysis of AI methodologies for defect wafer map classification, showcasing the
diverse and transformative potential of AI across various domains.</p>
      <p>The total number of received contributions is eight. Six out of them have been accepted. The
complete list of accepted articles and contributing authors is reported below:
• Free Energy Principle and Active Inference in Neural Language Models
• Social sentience in neural language models
• Health Misinformation Detection: A Chunking strategy integrated to retrieval-augmented
generation
• Can AI mimic human visual attention to assess e-commerce landing page engagement?
• A Deep Learning Framework for Real-time Oil Spill Detection and Classification
• GenAI or not GenAI? Comparing AI methodologies to solve Defect Wafer Map Classification</p>
      <p>Problem</p>
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      <title>3. Invited Talks</title>
      <p>AIxPAC is enriched by two invited talks a respectively, by Antonio Chella from University of
Palermo and Joachim Keppler from DIWISS, Department of Consciousness Research and a Guest
of Honour with a talk given by Stephen Grossber from Boston University.</p>
      <p>Antonio Chella is a Professor of Robotics and Director of RoboticsLab at the Department of
Engineering, University of Palermo. He is a former Director of the Interdepartmental Center for
Knowledge Technologies (CITC), Director of the Department of Computer Engineering (DINFO),
Chairman of the Computer Engineering Graduate Program, Coordinator of the Ph.D. Program in
Technological Innovation Engineering. He coordinated several Italian and European research
projects. He is the author of more than 200 publications and an editorial director of scientific
journals and of book series in the fields of Robot Consciousness, Computational Creativity,
Cognitive Science and Artificial Intelligence. The research activities of prof. Chella has been the
subject of many articles and interviews in national and international magazines and newspapers,
including New Scientist and The Guardian. Antonio Chella’s talk at AIxPAC is titled “Towards
Conscious AI Systems”.</p>
      <p>Joachim Keppler studied physics at the Friedrich-Alexander University of Erlangen and
received PhD in theoretical particle physics and quantum field theory. Subsequently, he worked
in industrial research and development and held leading positions in the fields of data science and
artificial intelligence. In 2012, he launched and directed the research institute DIWISS which is
funded by private foundations and concentrates on the scientific exploration of consciousness
pursuing an interdisciplinary approach at the intersection of theoretical physics, cognitive
neuroscience, and philosophy of mind. His research focuses on the development of a conceptual
framework that integrates consciousness seamlessly into the worldview of physics, sheds light on
the universal mechanism underlying conscious processes, and provides a sound footing for a
theory of consciousness. His current research activities deal with collective phenomena and
selforganized criticality in the brain and aim at building a field-theoretical model of cortical dynamics.</p>
      <p>Joachim Keppler’s talk at AIxPAC is titled “The path to sentient robots: AI consciousness in the
light of new insights into the functioning of the Brain”.</p>
      <p>Stephen Grossber is Professor Emeritus of Mathematics &amp; Statistics, Psychological &amp; Brain
Sciences, and Biomedical Engineering, Founding Chairman, Department of Cognitive and Neural
Systems, Founder and Director, Center for Adaptive Systems, Founding Director, Center of
Excellence for Learning in Education, Science, and Technology, Founding President, International
Neural Network Society, Founding Editor-In-Chief, Neural Networks, Founder and General
Chairman, International Conference on Cognitive and Neural Systems (ICCNS), PhD,
Mathematics, Rockefeller University. He develop brain models of vision and visual object
recognition; audition, speech, and language; development; attentive learning and memory;
cognitive information processing and social cognition; reinforcement learning and motivation;
cognitive-emotional interactions; navigation; sensory-motor control and robotics; and mental
disorders. These models involve many parts of the brain, ranging from perception to action, and
multiple levels of brain organization, ranging from individual spikes and their synchronization to
cognition. Many of these projects are done in collaborations with PhD students, postdoctoral
fellows, and faculty. He also collaborated with experimentalist colleagues to design experiments to
test theoretical predictions and fill conceptually important gaps in the experimental literature,
carry out analyses of the mathematical dynamics of neural systems, and transfer biological neural
models to applications in neuromorphic engineering and technology.</p>
      <p>Stephen Grossber given a Lecture on “Consciousness” with Question &amp; Answer live session.</p>
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      <title>4. Programme Committee</title>
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