Object alteration

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An object alteration is the experience of perceiving an object, objects, or entire scenes progressively warp, move, stretch, shift, or otherwise animate in three-dimensional space in a manner which can vary from subtle to extreme.[1][2][3][4] When the person looks away or double-takes, the object is instantly reset to its original form. If the object is stared at directly again, it may begin to distort in a similar or different manner as before. The alterations do not occur in a uniform manner and cannot be reliably predicted. The intensity of the effect is often linked to the intensity and progression of the mental state that coincides with this effect.

For example, staring at an object such as a chair may cause its 3-dimensional shape to begin to drastically elongate or tilt into an exaggerated form which retains its original colours and textures.

This effect also commonly manifests as the perception of textures progressively stretching and projecting outward from the surfaces which they reside upon in the form of a detailed 3-dimensional structure[4] somewhat similar to complex, opaque, and solidified smoke. These structures usually maintain a size which is consistent with the width of the texture it is extending from. The textures may appear to project outwards in 3-D space anywhere between several inches to several meters in length. For example, if one stares at a painting on the wall it may extend in one direction on a 2-dimensional plane until the observer looks away.

Although this subjective effect component is categorised as a visual distortion,[4][5][6] it is likely an indirect result of external hallucinations being applied to objects within the user's environment occurring in a manner which does not introduce new data, but simply alters the perception of a 3-dimensional structure's content.

Object alterations are often accompanied by other coinciding effects such as delirium and psychosis.[6] They are most commonly induced under the influence of heavy dosages of deliriant compounds, such as DPH and datura. However, they can also occur under the influence of stimulant psychosis and sleep deprivation.

Object Activation

Main article: Object Activation

At the extreme end of object alterations, objects may become so fully animated that the effect starts to take on qualities of a standard hallucinatory state, beyond mere visual distortions.

This distinct effect, called object activation, occurs when one looks at an object and the object moves, becomes alive, or appears animated of its own accord. For example, if one is looking at a microwave the door may open and close on its own or a cup on the table may start to slide or tilt over. The "activated object" usually moves in a familiar way that would happen in everyday life, furthering demonstrating that the brain is merging external hallucinations in one's environment.

However, the activated may also perform actions which are completely unrealistic. For example, an item of furniture may appear to disassemble into many floating complex rotating sections before reassembling into its previous state. These hallucinations usually only occur when one looks directly at an object for an extended period of time and are rare and extreme signs of an advanced hallucinatory state.

Psychoactive substances

Compounds within our psychoactive substance index which may cause this effect include:

See also

External Links


  1. Kleinman, J. E., Gillin, J. C., & Wyatt, R. J. (1977). A comparison of the phenomenology of hallucinogens and schizophrenia from some autobiographical accounts. Schizophrenia Bulletin, 3(4), 567. https://dx.doi.org/10.1093/schbul/3.4.560
  2. Obreshkova, D., Kandilarov, I., Angelova, V. T., Iliev, Y., Atanasov, P., & Fotev, P. S. (2017). PHARMACO-TOXICOLOGICAL ASPECTS AND ANALYSIS OF PHENYLALKYLAMINE AND INDOLYLALKYLAMINE HALLUCINOGENS. PHARMACIA, 64(1), 41-42. https://www.researchgate.net/profile/Violina_Angelova2/publication/317528151_Pharmaco-toxicological_aspects_and_analysis_of_phenylalkylamine_and_indolylallkylamine_hallucinogens_Review/links/593d59f50f7e9b3317a45adf/Pharmaco-toxicological-aspects-and-analysis-of-phenylalkylamine-and-indolylallkylamine-hallucinogens-Review.pdf
  3. Gallimore, A. R. (2015). Restructuring consciousness–the psychedelic state in light of integrated information theory. Frontiers in human neuroscience, 9, 346. https://dx.doi.org/10.3389%2Ffnhum.2015.00346
  4. 4.0 4.1 4.2 Juszczak, G. R., & Swiergiel, A. H. (2013). Recreational use of D-lysergamide from the seeds of Argyreia nervosa, Ipomoea tricolor, Ipomoea violacea, and Ipomoea purpurea in Poland. Journal of psychoactive drugs, 45(1), 79-93. https://doi.org/10.1080/02791072.2013.763570
  5. Espiard, M. L., Lecardeur, L., Abadie, P., Halbecq, I., & Dollfus, S. (2005). Hallucinogen persisting perception disorder after psilocybin consumption: a case study. European Psychiatry, 20(5), 458-460. https://doi.org/10.1016/j.eurpsy.2005.04.008
  6. 6.0 6.1 Mehta, U. M., Naveen Kumar, C., Venkatasubramanian, G., & Thirthalli, J. (2017). Multimodal sensory distortions in postpartum exacerbation of schizophrenia. Clinical schizophrenia & related psychoses, 10(4), 222-224. https://doi.org/10.3371/CSRP.MEKU.112013