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Nov 11, 2017 · The first part focuses on the apparent spontaneity of voluntary action. The second part focuses on one of the most distinctive, but elusive, features of volition, namely, its link to conscious experience, and reviews stimulation and patient studies of the cortical basis of conscious volition down to the single-neuron level.
- Itzhak Fried, Patrick Haggard, Biyu J. He, Aaron Schurger
- 10.1523/JNEUROSCI.2584-17.2017
- 2017
- J Neurosci. 2017 Nov 8; 37(45): 10842-10847.
Volition refers to a capacity for endogenous action, particularly goal-directed endogenous action, shared by humans and some other animals. It has long been controversial whether a specific set of cognitive processes for volition exist in the human brain, and much scientific thinking on the topic continues to revolve around traditional metaphysical debates about free will. At its origins ...
Figure 2: A naturalized model of human volition. Volition is modelled as a set of decision processes that each specify details of an action. The decision whether to perform an action ('whether ...
- Patrick Haggard
- 2008
capture what we mean by volitional. For example, a sudden pain in my abdomen will cause me to double up and grasp the painful region: The action seems to be internally generated because it is triggered by some event in some internal organ. However, one might not wish to say that the action is volitional.
Neurological disorders of volition may be characterized by deficits in willing and/or agency. When we move our bodies through space, it is the sense that we intended to move (willing) and that our actions were a consequence of this intention (self-agency) that gives us the sense of voluntariness and a general feeling of being “in control.”.
- Sarah M. Kranick, Mark Hallett
- 10.1007/s00221-013-3399-2
- 2013
- 2013/09
Movement initiation and the perception of willing the movement can be separately manipulated. Movement is generated subconsciously, and the conscious sense of volition comes later, but the exact time of this event is difficult to assess because of the potentially illusory nature of introspection. Neurological disorders of volition are also ...
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Volition and the Brain Revisiting a Classic Experimental Study. et al. demonstrated that brain activity associated with a voluntary act precedes con-scious experience of the intention to act by several hundred millisec-onds. The implication that it is the brain, rather than ‘free will ’, that initiates voluntary acts has been discussed ever ...
