Phobot
Encyclopedia
Phobot is a robot
Robot
A robot is a mechanical or virtual intelligent agent that can perform tasks automatically or with guidance, typically by remote control. In practice a robot is usually an electro-mechanical machine that is guided by computer and electronic programming. Robots can be autonomous, semi-autonomous or...

 that exhibits behaviour that mimics fear
Fear
Fear is a distressing negative sensation induced by a perceived threat. It is a basic survival mechanism occurring in response to a specific stimulus, such as pain or the threat of danger...

 and overcoming it by graded exposure
Systematic desensitization
Systematic desensitization is a type of behavioral therapy used in the field of psychology to help effectively overcome phobias and other anxiety disorders. More specifically, it is a type of Pavlovian therapy / classical conditioning therapy developed by a South African psychiatrist, Joseph Wolpe...

. The robot was voted the public's favourite at a conference on human-robot interaction in Amsterdam
Amsterdam
Amsterdam is the largest city and the capital of the Netherlands. The current position of Amsterdam as capital city of the Kingdom of the Netherlands is governed by the constitution of August 24, 1815 and its successors. Amsterdam has a population of 783,364 within city limits, an urban population...

. It was designed by a team of students at the University of Amsterdam, and constructed from Lego
Lego
Lego is a line of construction toys manufactured by the Lego Group, a privately held company based in Billund, Denmark. The company's flagship product, Lego, consists of colorful interlocking plastic bricks and an accompanying array of gears, minifigures and various other parts...

. It was designed to help children deal with phobia
Phobia
A phobia is a type of anxiety disorder, usually defined as a persistent fear of an object or situation in which the sufferer commits to great lengths in avoiding, typically disproportional to the actual danger posed, often being recognized as irrational...

s and anxieties
Anxiety
Anxiety is a psychological and physiological state characterized by somatic, emotional, cognitive, and behavioral components. The root meaning of the word anxiety is 'to vex or trouble'; in either presence or absence of psychological stress, anxiety can create feelings of fear, worry, uneasiness,...

.

Behaviour

When Phobot sees a larger robot, it retreats, and spins around, making high pitched noises, seemingly in panic. When it is gradually exposed to smaller robots, and is coached by holding its hands is talking to it in a soothing manner, it learns to overcome its fear. This approach mimics the process of systematic desensitization, or graded exposure treatment, common in the treatment of phobias.

Design

Phobot was built for a competition at the international conference on human-robot interaction 2008 from a Lego Mindstorms
Lego Mindstorms
The LEGO Mindstorm series of kits contain software and hardware to create small, customizable and programmable robots. They include a programmable 'Brick' computer that controls the system, a set of modular sensors and motors, and LEGO parts from the Technics line to create the mechanical...

 robot kit, and its behaviour implemented in the Mindstorms software. It uses RFID, sound and touch sensors to interact with humans. It was designed as a low cost proof of concept for an affective robot, coaching children to deal with phobias and anxieties.

External links

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