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This autumn, a Swiss Catholic church to interact with visitors.

The installation was a two-month project in religion, technology and art titled "," . The Latin title literally means ""; it refers to a plot device used in Greek and Roman plays, introducing a god to resolve an impossible problem or conflict facing the characters.

This hologram of Jesus Christ on a screen was animated by an artificial intelligence program. The AI's programming , and visitors were invited to pose questions to the AI Jesus, viewed on a monitor behind a latticework screen. Users were advised and confirm that they knew they were engaging with the avatar at their own risk.

Some headlines stated that the in the ritual act of hearing people's confessions of their sins, but this wasn't the case. However, even though AI Jesus was not actually hearing confessions, as a , I was disturbed by the act of placing the AI project in a real confessional that parishioners would ordinarily use.

A confessional is a booth where Catholic priests hear parishioners' confessions of their sins and grant them absolution, forgiveness, in the name of God. Confession and repentance always that is the church. Human believers confess their sins to human priests or bishops.

Early history

The New Testament scriptures clearly stress a human, communal context for admitting and repenting for sins.

In the Gospel of John, for example, , "Whose sins you shall forgive, they are forgiven, and whose sins you shall retain they are retained." And in the epistle of James, .

Churches in the earliest centuries encouraged public confession of more serious sins, such as fornication or idolatry. Church leaders, called bishops, and welcomed them back into the community.

From the third century on, the process of forgiving sins became more ritualized. Most confessions of sins remained private—one on one with a priest or bishop. Sinners would express their sorrow in doing penance individually by prayer and fasting.

However, some Christians guilty of certain major offenses, such as murder, idolatry, apostasy or sexual misconduct, would .

These sinners would do public penance as a group. Some were required to stand on the steps of the church and ask for prayers. Others might be admitted in for worship but were required to stand in the back or be dismissed before the scriptures were read. Penitents were expected to fast and pray, sometimes for years, before being ritually reconciled to the church community by the bishop.

Medieval developments

During the first centuries of the Middle Ages, public penance fell into disuse, and emphasis was increasingly placed on verbally confessing sins to an individual priest. After privately completing the penitential prayers or acts assigned by the confessor, the penitent would return for absolution.

The concept of Western Christian spirituality. It was understood to be a stage of the afterlife where the souls of the deceased who died before confession with minor sins, or had not completed penance, would be cleansed by spiritual suffering before being admitted to heaven.

Living friends or family of the deceased were encouraged to offer prayers and , such as —to the poor, to reduce the time these souls would have to spend in this interim state.

Other developments took place in the later Middle Ages. Based on the work of the theologian Peter Lombard, , one of the major rites of the Catholic Church. In 1215, a new church document mandated that and receive Holy Communion at least once a year.

Priests who revealed the identity of any penitent faced severe penalties. Guidebooks for priests, generally , listed various types of sins and suggested appropriate penances for each.

The first confessionals

Until the 16th century, those wishing to confess their sins had to arrange meeting places with their clergy, sometimes just inside the local church when it was empty.

But the Catholic Council of Trent changed this. The 14th session in 1551 , stressing the importance of privately confessing to priests ordained .

Soon after, , the cardinal archbishop of Milan, installed the first confessionals along the walls of his cathedral. These booths were designed with a to preserve anonymity and prevent other abuses, such as inappropriate sexual conduct.

Similar confessionals appeared in Catholic churches over the following centuries: The main element was a screen or veil between the priest confessor and the layperson, kneeling at his side. Later, curtains or doors were added to increase privacy and ensure confidentiality.

Rites of penance in contemporary times

In 1962, Pope John XXIII . Its first document, issued in December 1963, .

Since 1975, Catholics have . The first form structures private confession, while the second and third forms apply to groups of people in special liturgical rites. The second form, often used at set times during the year, offers those attending the opportunity with one of the many priests present.

The third form can be used in special circumstances, with no time for individual confession, . Those assembled are given general absolution, and survivors confess privately afterward.

In addition, these reforms prompted the development of a second location for confession: Instead of being restricted to the confessional booth, Catholics now had the option of confessing their sins face-to-face with the priest.

To facilitate this, some Catholic communities to their churches. Upon entering the room, the penitent could choose anonymity by using the kneeler in front of a traditional screen or walk around the screen to a chair set facing the priest.

Over the following decades, the Catholic experience of penance changed. Catholics went to confession less often, or stopped altogether. Many confessionals remained empty or were used for storage. Many parishes . Some priests might insist on face-to-face confession, and some penitents might prefer the anonymous form only. , since the confidentiality of the sacrament must be maintained.

In 2002, Pope John Paul II , insisting that parishes make every effort to schedule set hours for confessions. Pope Francis himself has become concerned with . In fact, he demonstrated its importance by presenting himself for confession, face-to-face, at a confessional in St. Peter's Basilica.

Perhaps, in the future, a program like AI Jesus could offer Catholics and interested questioners from other faiths information, advice, referrals and limited spiritual counseling around the clock. But from the Catholic perspective, an AI, with no experience of having a human body, emotions and hope for transcendence, cannot authentically absolve human sins.

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