Table 2.
Neuroimaging studies on motor conversion disorders
Citation | Type of conversion | Study design | Task |
---|---|---|---|
Atmaca, et al. [82] | unilateral motor symptoms | matched control (healthy control) | structural differences |
Aybek, et al. [29] | conversion disorder with limb weakness | matched control (healthy control) | structural differences |
Aybek, et al. [52] | motor conversion disorder | matched control (healthy control) | visual stimuli - emotional faces |
Aybek, et al. [47] | motor conversion disorder | matched control (healthy control) | stressful memories task |
Blakemore, et al. [86] | unilateral upper limb conversion paresis | matched control (healthy control) | visual stimuli - reaction time task |
Burgmer, et al. [90] | dissociative paralysis in conversion disorders | matched controls | movement execution and observation-task |
Burke, et al. [89] | unilateral conversion disorder, sensory subtype | within group differences | vibrotactil stimulation |
Czarnecki, et al. [60] | psychogenic movement disorders | matched control (healthy control) | resting state |
simple motor task | |||
task vs. rest | |||
de Lange, et al. [16] | conversion paralysis | within subjects design | motor imagery task |
de Lange, et al. [64] | full or partial paralysis lateralized to one arm | within subjects design | motor imagery task |
de Lange, et al. [21] | full or partial conversion paralysis lateralized to one hand | within subject design | motor imagery task |
Elzinga, et al. [46] | dissociative disorder | matched control (healthy control) | working memory task effects |
task load | |||
Ghaffar, et al. [62] | sensorimotor loss | case series | vibratory stimulation |
Nicholson, et al. [105] | motor conversion | matched control (healthy control) | structural |
Roelofs, et al. [66] | conversion paralysis | within subjects design | two-choice reaction task |
Spence, et al. [20] | motor conversion | matched control (healthy control) | movement execution |
Stone, et al. [74] | motor conversion | matched control (healthy control) | movement execution |
van Beilen, et al. [50] | motor conversion (paresis) | Within subjects design, matched control (healthy control) | movement execution and imagination |
Voon, et al. [27] | conversion disorder with positive motor symptoms | matched control (healthy control) | visual stimuli - emotional faces |
Voon, et al. [43] | conversion disorder (psychogenic movement disorder) | matched control (healthy control) | action selection task |
Vuilleumier, et al. [22] | unilateral hysterical sensorimotor loss | within subjects design | vibratory stimulation |